Xanthomonas axonopodis pv. Punicae Pomegranate bacterial blight Relative humidity above 50% and temperature between 25 - 30 0 C, over-use of nitrogen
Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and Phytophthora. They survive as oospores. From these…
The spores germinate when free water is present on the plant, at high relative humidity (RH) and on wounds. Leaves can be infected directly, through…
up to 28-30 °C (optimum temperatures lie between 15 and 28 °C) and at a relative humidity (RH) of over 90% or when the leaves are wet. Small…
been reported. The density of the microsclerotia in the soil is directly related to disease incidence. Within 24 hours the fungus infects the roots of…
35 °C, with an optimum between 25 and 28 °C. Germination only occurs at relative humidity (RH) above 80%. Warm (25-30 °C) and humid (RH above 85%)…
general, the development rate of the epidemic is fastest at 18-25 °C. High relative humidity (RH) promotes germination of spores but inhibits spore…
the development of the pathogen are temperatures between 25 and 30 ºC, relative humidity of over 90%, and a soil pH of under 7. The ideal pH range for
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