High yielding multiple blooming and leaf crinckle virus resistant greengram variety : VBN 4

Abstract

Greengram variety VBN 4 is derived from PDM 139 x BB 2664. The average yield of VBN 4 is 1024kg/ha . It is 16.8 and 21.3 per cent yield increase over VBN (Gg) 3 and CO 8, respectively. It matures in 65 – 70 days. It recorded seed yield of 1251kg/ha under irrigated condition. It is 27.5 and 31.2 per cent increase over VBN (Gg)3 and CO 8, respectively. In rainfed condition, this variety recorded seed yield of 936kg/ha. It is 12.0 and 15.7 per cent increase over VBN (Gg) 3 and CO 8, respectively. Special traits of this variety are multi bloom, non-shattering type, moderate resistance to Mung bean Yellow Mosaic Virus and powdery mildew diseases and resistance to urd bean leaf crinkle virus disease. It is suitable for cultivation in Adi, Puratasi, Markazhi/Thai and chithirai pattam in Tamil Nadu.

Keywords

• greengram
• vbn 4
• seed yield
• multi bloom