{"id":7722,"date":"2020-06-10T14:30:25","date_gmt":"2020-06-10T17:30:25","guid":{"rendered":"https:\/\/rehagro.com.br\/blog\/?p=7722"},"modified":"2026-04-07T20:10:39","modified_gmt":"2026-04-07T23:10:39","slug":"cercosporiose-no-cafe","status":"publish","type":"post","link":"https:\/\/rehagro.com.br\/blog\/cercosporiose-no-cafe\/","title":{"rendered":"Cercosporiose do caf\u00e9: principais sintomas e como realizar o controle"},"content":{"rendered":"<p>Voc\u00ea j\u00e1 ouviu falar sobre a <strong>Mancha de Olho Pardo ou Cercosporiose<\/strong>?\u00a0Ela \u00e9 uma doen\u00e7a causada pelo fungo <i>Cercospora coffeicola<\/i>, fungo necrotr\u00f3fico, que invade as c\u00e9lulas e as matam, nutrindo-se das mesmas.<\/p>\n<p>Essa doen\u00e7a pode atacar desde mudas no viveiro causando intensa desfolha, afetando o crescimento e desenvolvimento das plantas, ou mesmo lavouras adultas, que al\u00e9m da queda de folhas pode proporcionar queda de frutos.<\/p>\n<p>Por isso, a falta de um manejo adequado e sob condi\u00e7\u00f5es favor\u00e1veis para o desenvolvimento dessa <strong><a href=\"https:\/\/rehagro.com.br\/blog\/principais-doencas-do-cafe-como-identifica-las\/\" target=\"_blank\" rel=\"noopener\">doen\u00e7a<\/a><\/strong>, pode resultar em grandes perdas na produ\u00e7\u00e3o.<\/p>\n<div style=\"background-color: #efefef; padding-left: 10px; padding-right: 5px; border-radius: 10px;\">\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 14pt;\">Sem tempo para ler agora? Baixe este artigo em PDF!<\/span><\/strong><\/p>\n<p><script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js.hsforms.net\/forms\/v2.js\"><\/script><br \/>\n<script>\n  hbspt.forms.create({\n    region: \"na1\",\n    portalId: \"5430441\",\n    formId: \"7dcaf60d-0e23-40ed-8b40-9b8cb07b4128\",\n    version: \"V2_PRERELEASE\"\n  });\n<\/script><\/p>\n<\/div>\n<h2>Ciclo da cercosporiose<\/h2>\n<p>A dissemina\u00e7\u00e3o do fungo \u00e9 feita pelo vento, \u00e1gua ou insetos, que ap\u00f3s atingir a planta e com condi\u00e7\u00f5es favor\u00e1veis de molhamento foliar e temperatura, ocorre a germina\u00e7\u00e3o e penetra\u00e7\u00e3o do tubo germinativo, que penetra atrav\u00e9s da cut\u00edcula ou por aberturas naturais.<\/p>\n<p>A temperatura \u00f3tima tanto para a germina\u00e7\u00e3o m\u00e1xima quanto para o crescimento do fungo \u00e9 de 24\u00b0C. Ap\u00f3s a infec\u00e7\u00e3o, o fungo produz con\u00eddios e o ciclo de se reinicia.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22250 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-2.jpg\" alt=\"Ciclo da Cercosporiose\" width=\"512\" height=\"248\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-2.jpg 512w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-2-300x145.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-2-370x179.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-2-270x131.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-2-150x73.jpg 150w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><span style=\"font-size: 10pt;\"><span style=\"font-weight: 400;\">Esquema do ciclo da <\/span><i><span style=\"font-weight: 400;\">Cercospora coffeicola<\/span><\/i><span style=\"font-weight: 400;\"> no caf\u00e9. (Fonte: Rehagro).<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/conteudo.rehagro.com.br\/ebook-cercosporiose-cafeeiro?utm_campaign=material-cafe&amp;utm_source=ebook-cercosporiose&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-39673 size-full\" title=\"Clique e baixe o e-book gr\u00e1tis!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose.png\" alt=\"E-book Cercosporiose\" width=\"980\" height=\"317\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose.png 980w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose-300x97.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose-768x248.png 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose-370x120.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose-270x87.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose-740x239.png 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-cercosporiose-150x49.png 150w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<h2>Condi\u00e7\u00f5es favor\u00e1veis para a ocorr\u00eancia da doen\u00e7a<\/h2>\n<p>As vari\u00e1veis ambientais apresentam grande influ\u00eancia na rela\u00e7\u00e3o pat\u00f3geno hospedeiro, dentre elas, a exposi\u00e7\u00e3o ao sol, molhamento foliar e temperatura.<\/p>\n<p>A incid\u00eancia de cercosporiose \u00e9 <strong>maior na face das plantas voltada para o lado norte<\/strong>, que apresenta maior exposi\u00e7\u00e3o ao sol, devido a toxina cercosporina que \u00e9 produzida e ativada pela presen\u00e7a de luz, e causa danos \u00e0 membrana celular do hospedeiro.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22251 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-3.jpg\" alt=\"Incid\u00eancia da cercosporiose nas folhas de acordo com a posi\u00e7\u00e3o geogr\u00e1fica\" width=\"402\" height=\"240\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-3.jpg 402w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-3-300x179.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-3-370x221.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-3-270x161.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-3-150x90.jpg 150w\" sizes=\"auto, (max-width: 402px) 100vw, 402px\" \/><span style=\"font-size: 10pt;\"><span style=\"font-weight: 400;\">Figura 3. Incid\u00eancia em porcentagem da cercosporiose (<\/span><i><span style=\"font-weight: 400;\">Cercospora coffeicola<\/span><\/i><span style=\"font-weight: 400;\">) em frutos de caf\u00e9 (<\/span><i><span style=\"font-weight: 400;\">Coffea arabica<\/span><\/i><span style=\"font-weight: 400;\">) localizados no ter\u00e7o mediano da planta, em cada face de exposi\u00e7\u00e3o (norte e sul), em lavoura irrigada por piv\u00f4 central. UFLA, Lavras, MG, 2011.<\/span><\/span><\/p>\n<p>Tamb\u00e9m \u00e9 retratado que <strong>a incid\u00eancia de cercosporiose foi mais elevada nos cafeeiros a pleno sol<\/strong>, decrescendo para cafeeiros com grev\u00edlea e cafeeiros com ingazeiro, conforme \u00e9 mostrado na tabela abaixo.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41791 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-progresso-cercosporiose.png\" alt=\"Tabela apresentando sistemas de cultivo de cafeeiro e AACPD\" width=\"682\" height=\"197\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-progresso-cercosporiose.png 682w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-progresso-cercosporiose-300x87.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-progresso-cercosporiose-370x107.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-progresso-cercosporiose-270x78.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-progresso-cercosporiose-150x43.png 150w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Valores m\u00e9dios de \u00e1rea abaixo da curva de progresso da doen\u00e7a (AACPD) cercosporiose em cafeeiro, em fun\u00e7\u00e3o de diferentes sistemas de cultivo.<\/span><\/p>\n<p>O molhamento foliar \u00e9 um fator indispens\u00e1vel pois influencia na germina\u00e7\u00e3o, infec\u00e7\u00e3o e esporula\u00e7\u00e3o dos fungos, dessa forma, sendo mais favor\u00e1veis as condi\u00e7\u00f5es com maior per\u00edodo de molhamento foliar, assim como a temperatura tamb\u00e9m influencia na incid\u00eancia dessa doen\u00e7a.<\/p>\n<p>Estudos observaram o progresso de incid\u00eancia da Cercosporiose do cafeeiro, em diversas horas de molhamento foliar e verificou que o maior progresso da doen\u00e7a foi observado com temperatura de 25\u00b0C no tratamento de 72 horas de molhamento foliar (Marcado em vermelho).<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22252 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-4.jpg\" alt=\"Curva de progresso da incid\u00eancia da cercosporiose do cafeeiro.\" width=\"740\" height=\"330\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-4.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-4-300x134.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-4-370x165.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-4-270x120.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-4-150x67.jpg 150w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Curva de progresso da incid\u00eancia da cercosporiose do cafeeiro. UFLA, Lavras, MG, 2014.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Al\u00e9m dessas vari\u00e1veis, o desequil\u00edbrio nutricional tamb\u00e9m apresenta grande influ\u00eancia na cercosporiose, nesse sentido, podemos citar principalmente nutrientes como <strong><a href=\"https:\/\/rehagro.com.br\/blog\/potassio-na-cultura-do-cafe\/\" target=\"_blank\" rel=\"noopener\">pot\u00e1ssio<\/a><\/strong> e c\u00e1lcio. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Isso tem sido observado no campo, em que situa\u00e7\u00f5es com altos teores de pot\u00e1ssio e baixos teores de c\u00e1lcio favorecem a ocorr\u00eancia de <em>Cercospora<\/em>, isso ocorre, pois, altos n\u00edveis de pot\u00e1ssio afetam a absor\u00e7\u00e3o de c\u00e1lcio. Da mesma forma, estudos com esses dois nutrientes e a incid\u00eancia de cercosporiose s\u00e3o mostrados abaixo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Garcia Junior em 2003, realizou um trabalho com diferentes n\u00edveis de c\u00e1lcio e de pot\u00e1ssio, concluiu que, a menor \u00e1rea abaixo da curva de progresso da incid\u00eancia (AACPI) foi obtida com a dose 4 mmol\/L de pot\u00e1ssio (K). <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ap\u00f3s essa dose, o acr\u00e9scimo de pot\u00e1ssio resulta em maior incid\u00eancia de Cercospora, isso porque, maiores doses de K competem pelo mesmo s\u00edtio de absor\u00e7\u00e3o do c\u00e1lcio, tornando as mudas debilitadas em c\u00e1lcio.<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22253 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-5.jpg\" alt=\"Curva de progresso da incid\u00eancia de cercosporiose em cafeeiro em fun\u00e7\u00e3o das doses de pot\u00e1ssio\" width=\"490\" height=\"354\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-5.jpg 490w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-5-300x217.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-5-370x267.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-5-270x195.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-5-150x108.jpg 150w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><span style=\"font-size: 10pt;\"><span style=\"font-weight: 400;\">\u00c1rea abaixo da curva de progresso da incid\u00eancia (AACPI) de <em>Cercospora coffeicola<\/em> em cafeeiro (<em>Coffea arabica<\/em>) em fun\u00e7\u00e3o de doses de pot\u00e1ssio<\/span><span style=\"font-weight: 400;\">.<\/span><\/span><\/p>\n<p>Com o aumento das doses de c\u00e1lcio resultou em menor \u00e1rea abaixo da curva de progresso da incid\u00eancia de Cercospora (AACPI), devido \u00e0 presen\u00e7a desse c\u00e1tion no tecido foliar associado a n\u00edveis ideais de pot\u00e1ssio inibir a a\u00e7\u00e3o de enzimas pectol\u00edticas, produzidas por muitos parasitas de etiologia f\u00fangica.<\/p>\n<p>Essas enzimas possuem o objetivo de dissolver a lamela m\u00e9dia da parede celular (Marschner, 1995), por isso, o c\u00e1lcio tem grande import\u00e2ncia na constitui\u00e7\u00e3o da parede celular e na integridade dos tecidos.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22254 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-6.jpg\" alt=\"Curva de incid\u00eancia da cercosporiose do cafeeiro em fun\u00e7\u00e3o das doses de c\u00e1lcio\" width=\"589\" height=\"424\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-6.jpg 589w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-6-300x216.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-6-370x266.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-6-270x194.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-6-150x108.jpg 150w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">\u00c1rea abaixo da curva de progresso de incid\u00eancia (AACPI) de <em>Cercospora coffeicola<\/em> em cafeeiro (<em>Coffea arabica<\/em>) em fun\u00e7\u00e3o das doses de c\u00e1lcio em solu\u00e7\u00e3o nutritiva.<\/span><\/p>\n<p>Outro nutriente que merece aten\u00e7\u00e3o, \u00e9 o <strong><a href=\"https:\/\/rehagro.com.br\/blog\/boro-no-cafeeiro\/\" target=\"_blank\" rel=\"noopener\">boro<\/a><\/strong>, que de acordo com alguns autores, plantas deficientes desse nutriente se tornam enfraquecidas, apresentando menor barreira mec\u00e2nica, favorecendo a infec\u00e7\u00e3o por pat\u00f3genos. \u00c9 observado, no campo, que plantas mais debilitadas, com defici\u00eancia de boro, podem sofrer com maior incid\u00eancia de cercosporiose.<\/p>\n<p>Por isso, destaca-se a import\u00e2ncia de um fornecimento adequado dos <a href=\"https:\/\/rehagro.com.br\/blog\/nutrientes-para-o-cafeeiro\/\" target=\"_blank\" rel=\"noopener\"><strong>nutrientes<\/strong><\/a>, de acordo com as necessidades das plantas. Pois esse manejo equilibrado, pode reduzir a incid\u00eancia da doen\u00e7a.<\/p>\n<p>Tamb\u00e9m, outras situa\u00e7\u00f5es que podem afetar a severidade da doen\u00e7a s\u00e3o:<\/p>\n<ol>\n<li>Substratos de viveiros pobres em mat\u00e9ria org\u00e2nica, devido \u00e0s melhores condi\u00e7\u00f5es nutricionais proporcionadas quando se tem presente a mat\u00e9ria org\u00e2nica;<\/li>\n<li>Plantios efetuados tardiamente, devido a rela\u00e7\u00e3o \u00e1gua e absor\u00e7\u00e3o de nutrientes em plantios mais tardios, que podem resultar em maior incid\u00eancia dessa doen\u00e7a.<\/li>\n<\/ol>\n<p><a href=\"https:\/\/rehagro.com.br\/cursos\/capacitacao-em-gestao-na-producao-de-cafe?utm_campaign=mkt-materiais-gc&amp;utm_source=textos&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-28254 size-full\" title=\"Clique e saiba mais sobre o curso!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1.jpg\" alt=\"Curso Gest\u00e3o na Produ\u00e7\u00e3o de Caf\u00e9 Ar\u00e1bica\" width=\"900\" height=\"250\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1.jpg 900w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-300x83.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-768x213.jpg 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-370x103.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-270x75.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-740x206.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-150x42.jpg 150w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<h2>Quais os sintomas da cercosporiose?<\/h2>\n<p>A cercosporiose pode atacar tanto folhas quanto frutos em desenvolvimento. Nas folhas os sintomas caracter\u00edsticos s\u00e3o manchas circulares de colora\u00e7\u00e3o castanho clara a escura, com o centro branco-acinzentado, quase sempre envolvidas por um halo amarelado.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22255 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-7.jpg\" alt=\"Folha de cafeeiro com Cercosporiose\" width=\"552\" height=\"373\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-7.jpg 552w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-7-300x203.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-7-370x250.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-7-270x182.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-7-150x101.jpg 150w\" sizes=\"auto, (max-width: 552px) 100vw, 552px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Sintoma de Cercosporiose nas folhas. (Foto: Larissa Cocato).<\/span><\/p>\n<p>Nos frutos, os sintomas s\u00e3o pequenas manchas necr\u00f3ticas e deprimidas, de cor marrom a negra, estendendo-se no sentido dos polos do fruto.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22256 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-8.jpg\" alt=\"Frutos de caf\u00e9 com cercosporiose\" width=\"740\" height=\"303\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-8.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-8-300x123.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-8-370x152.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-8-270x111.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-8-150x61.jpg 150w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Sintoma de Cercosporiose nos frutos. (Foto: Larissa Cocato).<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22257\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9.jpg\" alt=\"Frutos de caf\u00e9 com incid\u00eancia de Cercosporiose\" width=\"375\" height=\"500\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9.jpg 720w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9-225x300.jpg 225w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9-370x493.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9-270x360.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9-640x853.jpg 640w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-9-150x200.jpg 150w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Incid\u00eancia de Cercosporiose em cafeeiro. (Foto: Larissa Cocato).<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22249 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1.jpg\" alt=\"Cercosporiose no caf\u00e9\" width=\"740\" height=\"555\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1-300x225.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1-370x278.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1-270x203.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1-80x60.jpg 80w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-1-150x113.jpg 150w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Cercosporiose em frutos de caf\u00e9. (Foto: Rehagro).<\/span><\/p>\n<h2>Danos causados pela cercosporiose<\/h2>\n<p>A Cercosporiose pode causar queda de folhas, devido a a\u00e7\u00e3o do etileno, reduzindo assim o desenvolvimento da planta e podendo afetar a produtividade.<\/p>\n<p>Os frutos apresentam processo de matura\u00e7\u00e3o acelerada, dessa forma resultando em mal granados ou mesmo queda precoce dos frutos em v\u00e1rios est\u00e1dios de crescimento, podendo resultar em fermenta\u00e7\u00f5es indesejadas.<\/p>\n<p>Al\u00e9m disso, <strong>a qualidade da bebida tamb\u00e9m pode ser afetada<\/strong>, uma vez que, com o aumento de frutos infectados pela <em>Cercospora<\/em>, h\u00e1 um aumento da porcentagem de polifen\u00f3is, que exercem a\u00e7\u00e3o protetora antioxidante de alde\u00eddos e participam nos mecanismos de defesa da planta mediante inj\u00farias.<\/p>\n<p>A concentra\u00e7\u00e3o de compostos fen\u00f3licos \u00e9 inversamente proporcional a qualidade de bebida, por isso, sob condi\u00e7\u00f5es adversas dos gr\u00e3os a enzima polifenoloxidase age sobre os polifen\u00f3is diminuindo assim sua a\u00e7\u00e3o antioxidante e facilitando a oxida\u00e7\u00e3o com interfer\u00eancia no sabor e aroma do caf\u00e9 ap\u00f3s a torra\u00e7\u00e3o.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22258 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10.jpg\" alt=\"Gr\u00e1fico retratando os polifen\u00f3is em fun\u00e7\u00e3o da incid\u00eancia de cercosporiose nos frutos do caf\u00e9\" width=\"440\" height=\"326\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10.jpg 440w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10-300x222.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10-370x274.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10-270x200.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10-80x60.jpg 80w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/cercosporiose-10-150x111.jpg 150w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Polifen\u00f3is, em fun\u00e7\u00e3o de diferentes propor\u00e7\u00f5es de frutos de caf\u00e9 infectados por <em>Cercospora coffeicola<\/em><\/span><\/p>\n<h2>Como controlar a cercosporiose?<\/h2>\n<p>Como medidas gerais de controle \u00e9 importante <strong><a href=\"https:\/\/rehagro.com.br\/blog\/sintomas-de-deficiencias-nutricionais-em-cafeeiro\/\" target=\"_blank\" rel=\"noopener\">evitar as defici\u00eancias e desequil\u00edbrios nutricionais<\/a><\/strong>, visto que a nutri\u00e7\u00e3o tem grande influ\u00eancia na incid\u00eancia dessa doen\u00e7a.<\/p>\n<p>Dessa forma, um planejamento adequado e equilibrado das aduba\u00e7\u00f5es e um acompanhamento das an\u00e1lises foliares torna-se essencial. Estando sempre atento a rela\u00e7\u00e3o dos nutrientes, principalmente c\u00e1lcio e pot\u00e1ssio.<\/p>\n<p>Tamb\u00e9m, um fornecimento adequado de mat\u00e9ria org\u00e2nica, tanto na prepara\u00e7\u00e3o de mudas no viveiro, como no campo, com o intuito de proporcionar melhores condi\u00e7\u00f5es nutricionais. No plantio, al\u00e9m de evitar plantios tardios, \u00e9 importante que seja feita uma boa prepara\u00e7\u00e3o do solo, a fim de evitar a compacta\u00e7\u00e3o do mesmo, para que n\u00e3o afete na absor\u00e7\u00e3o de nutrientes pelas ra\u00edzes.<\/p>\n<p>Al\u00e9m disso, alguns estudos sugerem a utiliza\u00e7\u00e3o de sil\u00edcio no controle da cercosporiose, os mecanismos pelos quais o sil\u00edcio pode conferir resist\u00eancia a determinada doen\u00e7a podem ser por ac\u00famulo do elemento na parede das c\u00e9lulas da epiderme e cut\u00edcula, ac\u00famulo no local de penetra\u00e7\u00e3o do pat\u00f3geno (barreiras naturais), ou ativa\u00e7\u00e3o das barreiras qu\u00edmicas e bioqu\u00edmicas da planta.<\/p>\n<p>No controle qu\u00edmico \u00e9 importante estar atento \u00e0s condi\u00e7\u00f5es ambientais favor\u00e1veis para tomada de decis\u00e3o da melhor \u00e9poca de aplica\u00e7\u00e3o, sempre monitorando a lavoura e suas condi\u00e7\u00f5es. Os grupos qu\u00edmicos utilizados s\u00e3o:<\/p>\n<ul>\n<li>Estrobilurina;<\/li>\n<li>Triazol;<\/li>\n<li>Benzimidazol;<\/li>\n<li>Isoftalonitrila;<\/li>\n<li>Ditiocarbamato.<\/li>\n<\/ul>\n<p>Sempre destacando a import\u00e2ncia de alternar os ingredientes ativos, principalmente com Hidr\u00f3xido de cobre e Oxicloreto de Cobre que auxiliam no controle preventivo da cercosporiose.<\/p>\n<p>Devido a alguns desses grupos qu\u00edmicos atuarem tamb\u00e9m sobre outras doen\u00e7as, como a <strong><a href=\"https:\/\/rehagro.com.br\/blog\/controle-da-ferrugem-do-cafeeiro\/\" target=\"_blank\" rel=\"noopener\">ferrugem do caf\u00e9 (<i>Hemileia vastatrix<\/i>)<\/a><\/strong>, pode-se manejar as aplica\u00e7\u00f5es visando a preven\u00e7\u00e3o e controle das duas doen\u00e7as de forma simult\u00e2nea.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41792 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose.png\" alt=\"Tabela apresentando os grupos qu\u00edmicos que atuam no controle da cercosporiose\" width=\"678\" height=\"556\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose.png 678w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose-300x246.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose-370x303.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose-270x221.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose-366x300.png 366w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/06\/tabela-grupos-quimicos-cercosporiose-150x123.png 150w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Grupos qu\u00edmicos com seus ingredientes ativos para controle da Cercosporiose.<\/span><\/p>\n<p>Em lavouras de plantio, n\u00e3o \u00e9 interessante a aplica\u00e7\u00e3o de alguns tipos de triaz\u00f3is, como por exemplo o epoxiconazol, flutriafol e ciproconazol, pois eles podem acarretar em fitotoxidez.<\/p>\n<p>Dessa forma, nesses casos, s\u00e3o mais utilizados as estrobilurinas, os fungicidas c\u00fapricos (hidr\u00f3xido de cobre e oxicloreto de Cobre) e os benzimidaz\u00f3is (Tiofanato met\u00edlico).<\/p>\n<p>Al\u00e9m da escolha do ingrediente ativo a se utilizar, deve-se estar atento \u00e0 tecnologia de aplica\u00e7\u00e3o utilizada, envolvendo todos os fatores que podem afetar a efici\u00eancia da aplica\u00e7\u00e3o e consequentemente a preven\u00e7\u00e3o contra essa doen\u00e7a.<\/p>\n<h2>Conduza sua lavoura de caf\u00e9 com mais efici\u00eancia e rentabilidade<\/h2>\n<p>A cercosporiose pode causar grandes preju\u00edzos se n\u00e3o for controlada corretamente. Mas, para ter uma produ\u00e7\u00e3o sustent\u00e1vel e lucrativa, \u00e9 fundamental unir o manejo adequado das doen\u00e7as a uma gest\u00e3o estrat\u00e9gica de toda a lavoura.<\/p>\n<p>No <strong><a href=\"https:\/\/rehagro.com.br\/cursos\/capacitacao-em-gestao-na-producao-de-cafe?utm_campaign=mkt-materiais-gc&amp;utm_source=textos&amp;utm_medium=blog\">Curso Gest\u00e3o na Produ\u00e7\u00e3o de Caf\u00e9 Ar\u00e1bica<\/a><\/strong>\u00a0do Rehagro, voc\u00ea aprende com especialistas a aplicar ferramentas pr\u00e1ticas de gest\u00e3o, tomar decis\u00f5es assertivas e aumentar a rentabilidade da sua produ\u00e7\u00e3o de caf\u00e9.<\/p>\n<p><a href=\"https:\/\/rehagro.com.br\/cursos\/capacitacao-em-gestao-na-producao-de-cafe?utm_campaign=mkt-materiais-gc&amp;utm_source=textos&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-24250 size-full\" title=\"Clique e saiba mais sobre o curso!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc.jpg\" alt=\"Curso Gest\u00e3o na Produ\u00e7\u00e3o de Caf\u00e9 Ar\u00e1bica\" width=\"980\" height=\"317\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc.jpg 980w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-300x97.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-768x248.jpg 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-370x120.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-270x87.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-740x239.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-150x49.jpg 150w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-18459 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato.jpg\" alt=\"Larissa Cocato - Coordenadora de Ensino Caf\u00e9\" width=\"300\" height=\"96\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato-270x86.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato-150x48.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea j\u00e1 ouviu falar sobre a Mancha de Olho Pardo ou Cercosporiose?\u00a0Ela \u00e9 uma doen\u00e7a causada pelo fungo Cercospora coffeicola, fungo necrotr\u00f3fico, que invade as c\u00e9lulas e as matam, nutrindo-se das mesmas. Essa doen\u00e7a pode atacar desde mudas no viveiro causando intensa desfolha, afetando o crescimento e desenvolvimento das plantas, ou mesmo lavouras adultas, que [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":21169,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[211],"tags":[282,266,662,331],"class_list":["post-7722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cafe","tag-cafe","tag-cafeeiro","tag-cercosporiose","tag-doencas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cercosporiose no caf\u00e9: sintomas, condi\u00e7\u00f5es favor\u00e1veis e como controlar<\/title>\n<meta name=\"description\" content=\"Mancha de olho pardo ou Cercosporiose \u00e9 uma doen\u00e7a causada pelo fungo Cercospora coffeicola BerK. &amp; Cooke. 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