Evaluation of potato late blight management utilizing host plant resistance and reduced rates and frequencies of fungicide applications

Kirk, W. W.; Samen, F. M. Abu-El; Muhinyuza, Jean Baptiste; Hammerschmidt, R.; Douches, David S.; Thill, Christian A.; Groza, H. I.; Thompson, Asunta L.

doi:10.1016/j.cropro.2004.12.016

Cited by 59 publications

(53 citation statements)

References 14 publications

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“…The experiment conducted by Dhanbir et al [15] also similar to the present findings who concluded that all of the treatments reduced the disease but 8% metalaxyl + 64% mancozed ( as Ridomil MZ 72WP) was the most effective. Present result is validating the previous studies in which late blight was successfully managed with the use fungicides on resistant cultivars by Kirk et al [16]. In the present investigation it was observed that the spray with Mancozeb 65% + Carbondaxim 12% was not found effective.…”

Section: Discussionsupporting

confidence: 90%

Comparative Efficacy of Different Fungicides against Late Blight Diseases of Potato incited by Phytophthora infestans (Mont.) de Bary and its Management

Na¹,

Ms²,

Nh³

2016

J Plant Pathol Microbiol

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Section: Discussionsupporting

confidence: 90%

Comparative Efficacy of Different Fungicides against Late Blight Diseases of Potato incited by Phytophthora infestans (Mont.) de Bary and its Management

Na¹,

Ms²,

Nh³

2016

J Plant Pathol Microbiol

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“…At temperatures of 13-21°C, sporangia germinate by means of a single germ tube. Night temperatures of 10 to 16°C accompanied by light rain, fog or heavy dew and followed by days of 16 to 13°C with high relative humidity are ideal for late blight infection and development [35,36]. Temperatures above 30°C slow or stop the growth of the fungus in the field but do not kill it, and the fungus can start to sporulate again when the temperature becomes favourable, provided, of course, that the relative humidity (near 100%) is sufficiently high [27].…”

Section: Potato Late Blight (Phytophthora Infestans)mentioning

confidence: 99%

Review on Potato Late Blight and Potato Tuber Moth and Their Integrated Pest Management Options in Ethiopia

Abewoy¹

2018

Adv Crop Sci Tech

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Potato is the fourth major crop of the world after rice, wheat and maize. However, in Ethiopia, the yield per unit area of potato is very low compared to those of other countries. There are many factors that reduce the yield of the crop among which the diseases like late blight and insect like tuber moth which play an important role in reduction of the yield. Hence, the objective of this review is to review the importance of these late blight and tuber moth of potato and their management in Ethiopia. In Ethiopia, late blight is occurs throughout the major potato production areas and researches have made estimates of losses ranging from 6.5 to 61.7%, depending on level of susceptibility of the varieties. Different types of management options like cultural, Fungicide Use, biological and Resistant Cultivars are the major management practices which can help in reducing late blight effect. However, because of its new strain development, there is no single effective management strategy of this disease. Therefore adopting integrated disease management approach is the most effective, environmentally safe and low costly to the users. In addition to late blight, potato tuber moth can also cause significant yield loss to potato. Potato tuber moth is the most important constraints of potato production in Ethiopia and it causes up to 42% yield loss in storage. Using different integrated pest management approaches including appropriate cultural practices, using pheromone traps, using biological control, host plant resistant, using botanicals and appropriate rate and time of chemical applications are used for reducing the damage of potato tuber moth.

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“…Atualmente, considera-se que todas as cultivares comerciais são suscetíveis a alguma raça do patógeno, pois P. infestans, por meio da reprodução sexuada, é capaz de formar novas raças fisiológicas. Portanto, o método mais eficiente para o controle da requeima ainda é o químico (KirK et al, 2005).…”

Section: Introductionunclassified

Sistemas de previsão de requeima em cultivos de batata em Santa Maria, RS

Bosco¹,

Heldwein

Blume³

et al. 2010

Bragantia

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Os sistemas de previsão constituem alternativa para o controle eficiente da requeima em batata e consequente redução da quantidade de fungicidas utilizados, dos custos de produção e da poluição ambiental. O objetivo deste trabalho foi avaliar os sistemas de previsão de ocorrência de requeima, Blitecast e Prophy, em cultivos de primavera e outono de batata, cultivar Macaca, suscetível a requeima, na região produtora de Santa Maria (RS). Os experimentos foram desenvolvidos na primavera de 2006 e outono de 2007 com a cultivar Macaca. Os dados meteorológicos foram coletados no centro da área experimental com uma estação automática e com psicrômetros instalados em diferentes níveis. Os tratamentos foram arranjados no delineamento inteiramente casualizado, com quatro repetições, sendo diferenciados por meio dos valores de severidade acumulados, calculados pelos sistemas de previsão Blitecast e Prophy. Os valores de severidade acumulados foram utilizados como indicadores do momento de aplicação de fungicida para o controle da requeima. Verificou-se que a utilização do sistema de previsão de requeima Prophy, com acúmulo de 15, 20 ou 25 valores de severidade e do sistema Blitecast com 24 valores de severidade acumulados, para o genótipo de batata suscetível, Macaca, permite reduzir o número de aplicações de fungicidas sem afetar significativamente a produtividade de tubérculos comerciais.

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Evaluation of potato late blight management utilizing host plant resistance and reduced rates and frequencies of fungicide applications

Cited by 59 publications

References 14 publications

Comparative Efficacy of Different Fungicides against Late Blight Diseases of Potato incited by Phytophthora infestans (Mont.) de Bary and its Management

Comparative Efficacy of Different Fungicides against Late Blight Diseases of Potato incited by Phytophthora infestans (Mont.) de Bary and its Management

Review on Potato Late Blight and Potato Tuber Moth and Their Integrated Pest Management Options in Ethiopia

Sistemas de previsão de requeima em cultivos de batata em Santa Maria, RS

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