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Cucurbit leaf crumple disease symptoms usually starts in small patches in the field with new leaves showing yellow spots. The disease affect most cucurbits.
Cucurbit leaf crumple disease symptoms usually starts in small patches in the field with new leaves showing yellow spots. The disease affect most cucurbits.
The yellow mark pattern is quite unique in case of CuLCrV and in the initial stages are noticed in between the veins. These symptoms are caused by heavy whitefly feeding and transmission of the virus.
The yellow mark pattern is quite unique in case of CuLCrV and in the initial stages are noticed in between the veins. These symptoms are caused by heavy whitefly feeding and transmission of the virus.
At advanced stage of the disease, yellowing of the leaves along the margin can be noticed. The disease is common in areas with poor whitefly management in cucurbits or nearby crops or previous crops.
At advanced stage of the disease, yellowing of the leaves along the margin can be noticed. The disease is common in areas with poor whitefly management in cucurbits or nearby crops or previous crops.
Whiteflies carry the virus and transmit the disease. Monitoring and management of whiteflies is critical in virus management during the growing season and subsequent season.
Whiteflies carry the virus and transmit the disease. Monitoring and management of whiteflies is critical in virus management during the growing season and subsequent season.
New leaves on fresh vines can be severely infected with severe crumpling which can noticed readily, and can also be felt by moving your hands on the leaf.
New leaves on fresh vines can be severely infected with severe crumpling which can noticed readily, and can also be felt by moving your hands on the leaf.
The leaves may develop unusual twisting combined with thickening, crumpling and yellowing as seen in this leaf in a field with very high infection of cucurbit leaf crumple virus.
The leaves may develop unusual twisting combined with thickening, crumpling and yellowing as seen in this leaf in a field with very high infection of cucurbit leaf crumple virus.
The entire leaf turns yellow in severely affected leaves with prominent appliance of green colored veins. The yellow marks on the leaves becomes necrotic which can cause burned appearance of leaves.
The entire leaf turns yellow in severely affected leaves with prominent appliance of green colored veins. The yellow marks on the leaves becomes necrotic which can cause burned appearance of leaves.
The disease can also cause major plant damage in beans with severe stunting, yellowing, and crumpling of leaves as seen in the field with a section of affected plants.
The disease can also cause major plant damage in beans with severe stunting, yellowing, and crumpling of leaves as seen in the field with a section of affected plants.

CUCURBIT LEAF CRUMPLE VIRUS (CuLCrV)/ CUCURBIT LEAF CURL VIRUS

Virus causal agent: Begomovirus

Virus vector: Whitefly

Cucurbit diseases