National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Cotton leaf curl disease (CLCuD) caused by cotton leaf curl virus (CLCuV), a geminivirus is one of the most destructive disease of cotton. The losses due to cotton leaf curl disease vary from 10-90% across the cotton growing areas of Punjab, Haryana and Rajasthan. Cotton leaf curl virus belongs to family Geminiviridae, genus begomovirus and consists of monopartite genome with circular, single stranded DNA. Typical symptoms of CLCuD, includes thickening of veins and upward or downward curling of leaves, vein darkening and enations. CLCuV subsist on alternate hosts like Brinjal, Cucurbits, Convolvulus arvensis, Rumex dentatus, Water melon, Cow pea and Lilly plants from where it is transmitted exclusively by vector whitefly (Bemisia tabaci) to the healthy cotton crop. CLCuD lowers fiber quality traits like ginning out turn, fiber length, fiber uniformity index, fiber fineness, fiber bundle strength, and maturity ratio also deteriorated because of change in composition of major fiber components including cellulose, protein, wax and pectin. The obliteration of alternate host and restraining of vector whitefly will be advantageous in control of CLCuD.
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