1985
DOI: 10.1080/07060668509501699
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Environmental water in relation toPeronospora destructorand related pathogens

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Cited by 21 publications
(19 citation statements)
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“…1). High temperature might reduce numbers of CFU by favoring loss in germination ability, as was reported for downy mildew pathogens (Rotem et al 1985;Sutton and Hildebrand 1985). The importance of different phases of daily temperature patterns, and possible interactions of temperature effects with those of harmful levels of water potential.…”
Section: Discussionmentioning
confidence: 90%
See 1 more Smart Citation
“…1). High temperature might reduce numbers of CFU by favoring loss in germination ability, as was reported for downy mildew pathogens (Rotem et al 1985;Sutton and Hildebrand 1985). The importance of different phases of daily temperature patterns, and possible interactions of temperature effects with those of harmful levels of water potential.…”
Section: Discussionmentioning
confidence: 90%
“…21, 1999 contributed to observed decreases in CFU included reduced ability of conidia to germinate or remain viable, death of germinated spores, germination followed by endophytic establishment of the fungus (Yu and Sutton 1997b), and physical removal of propagules. ~dverse microclimate, microbial antagonism, and deletenous host exudates were among variables reported to accelerate loss in germination and viability of fungus spores on plant foliage (Sutton and Hildebrand 1985;Rotem et al 1985;Blakeman and Atkinson 1981;Juniper 1991;Andrews 1992). Removal of CFU could have arisen through physical effects of environmental water, wind, and arthropods, predation by microfauna, and loss of host parts such as faJJen petals.…”
Section: Discussionmentioning
confidence: 96%
“…Sutton & Hildebrand (1985) observed that sporulation takes place in the dark, but previous exposure to light is necessary. Sutton & Hildebrand (1985) observed that sporulation takes place in the dark, but previous exposure to light is necessary.…”
Section: Ana I Y Sis Of the Onion/ Peronospora Destructor Path Osystemmentioning
confidence: 99%
“…Número de pulverizações, área abaixo da curva de progresso da doença (AACPD) e produtividade comercial (Kg.ha -1 ) do míldio da cebola (Peronospora destructor) resultantes de quatro sistemas de previsão ou controle convencional com pulverizações semanais regulares 2,6%, enquanto que a cada sete dias 8,4%, uma diferença de 223%, porém os valores a cada 5 dias tiveram diferença de apenas 0,4% (Figura 1). Essa diferença no percentual da doença em 2016 deve se as condições climáticas não favoráveis a doença, onde houve um predomínio de estiagem com baixa umidade relativa do ar, já que o míldio necessita entre 6 horas de umidade relativa do ar acima de 95% para ocorrer esporulação e à infecção (19). No entanto, a taxa de infecção aparente não foi significativa quando se comparou os sistemas convencionais com os sistemas de previsão, mesmo apresentando essa diferença entre os ciclos de avaliação, mas diferindo em todos os anos da testemunha (Tabela 2).…”
Section: Introductionunclassified