Abstract
Field trials were conducted to evaluate the epidemiological factors of okra yellow vein mosaic virus (OYVMV). Four varieties of okra were subjected to screening and evaluation of the chemicals. The variety Saloni F1 was highly resistant while Subz Pari was moderately resistant. Diksha was the tolerant variety while Lush Green was moderately susceptible. The chemical Imidacloprid was most effective to control whitefly population and okra yellow vein mosaic virus (OYVMV). Correlation of environmental factors (maximum and minimum temperature, relative humidity and rainfall) with percent plant infection of okra yellow vein mosaic virus (OYVMV) was also determined. There was a significant correlation between environment and disease severity.
Highlights
Field trials were conducted to evaluate the epidemiological factors of okra yellow vein mosaic virus (OYVMV)
There was a significant correlation between environment and disease severity
The incidence of OYVMV was higher during the rainy season
Summary
Moench) is an important and extensively grown vegetable crop. It is placed in placed in Malvaceae family. Okra is sown for several purposes [5]. It fruits are used as a boiled vegetable [6] and stem is used for making papers. Okra green fruits have high nutritional contents like carbohydrate, protein, fats, vitamins and minerals [6,7,8,9,10]. Okra is attacked by numbers of viruses, fungi, bacteria, phytoplasma, nematodes and insect pests attack this crop [14,15]. Crop pests reduced the yield up to 20% 30%, and in case of severe infestation loss may be up to
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