Abstract
Okra plants infected with okra yellow vein mosaic virus (OYVMV) were observed in
the field for assessment of disease incidence and disease severity. Virus confirmation
was done by whitefly inoculation, chip and leaf patch grafting. Electrolyte leakage and
membrane stability index was calculated by recommended methods. The disease was
managed by applying the mixture of buprofezin (0.001%), neem extract (0.005%) and
citric acid (0.0003%). Parbhani kranti variety was most infected while Green wonder
was less infected. More electrolytes leakage was recorded in infected plants while
minimum in healthy plants. Neem extract was the more significant in reducing disease
incidence by deterring the whiteflies from the okra crop. Citric also gave good results
by repairing the plants cell damage and boosting the defense mechanism.
Muhammad Ahmad Zeshan, Yasir Iftikhar, Safdar Ali, Maryam Yousaf, Nadeem Ahmed, Muhammad Usman Ghani. (2019) Impact of okra yellow vein mosaic virus on the physiology of okra crop and its management, Asian Journal of Agriculture and Biology, Volume 7, Issue 1.
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