There are incidence of Yellow Mosaic Virus in Black gram in many parts of the region. The high temperature (above normal) and humidity will helpful for its spreading/multiplication on new plant leaf/area/plant.
But there is possibility of heavy rain during first week of August in Bundelkahnd ,which will check its spreading/multiplication on new plant leaf/area/plant.
Weather based MYMV forewarning model
When minimum temperature is above normal and white fly population is around 15 or more/plant and weekly rainfall is 50mm/week or below during 34-37th SMW , than YMV outbreak is possible.
Henace, control white fly and its multiplication.
But there is possibility of heavy rain during first week of August in Bundelkahnd ,which will check its spreading/multiplication on new plant leaf/area/plant.
Weather based MYMV forewarning model
When minimum temperature is above normal and white fly population is around 15 or more/plant and weekly rainfall is 50mm/week or below during 34-37th SMW , than YMV outbreak is possible.
Henace, control white fly and its multiplication.