A New Cowpea Variety——'Xiangjiang 2001-4'

According to the condition of Hunan Province cowpea production in spring cultivation is more rainfall and cowpea varieties are very easy to grow rapidly,we selected'Changjiang No.3',which is endurable to fertility and grow up slowly as female parent and'Qiweiqing'as male parent.After 10 years'continuous and systematic cross breeding,'Xiangjiang 2001-4'was developed.This variety was an earlier variety did not grow very fast.It can be cultivated in spring.Its total growing period is about 100-110 d.It can be harvested 45-50 d after sowing.The plant is sprawled with 3-5 branches.The main vine is about 3 m in length.The first flower sets on the 3-5th nodes.The first flower bears 2-4 pods.The flower is light purple in color.The pod is green white in color,59 cm in length,and 0.84 cm in diameter.The single pod weight is about 28 g.There are 18 seeds in a single pod.In field investigation,its resistance to corcospora fuligenae and rust is equal to that of the contrast'Zhijiang 28-2'.It yields about 37.5 t·hm-2.It is suitable to be cultivated in spring,summer and autumn.