Breeding of sesame variety Hangzhi No. 1 and production techniques thereof

ZHANG Xiu-rong;LI Pei-wu;CHENG Yong;FENG Xiang-yun;FU Ling Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Wuhan,430062, China;Seed Management Station of Hubei Provice, Wuhan .430070. China

Hangzhi No.1;;Sesame variety;;Breeding;;Key production techniques

Hangzhi No. 1(original name line AE0809936) is a new sesame variety bred and selected by space breeding technology. National new sesame varietal trial from 2001 to 2002 showed that the average yield was 1 288.8kg/hm~2, ranking the top one among the varieties tested. The yield was 11.82% higher than Yuzhi No. 4 which was CK,, and 10.30% higher than landrace (CK_2). Yield increase was found in 96% of the experimental spots. Seed oil content was 56.20% with protein content of 20.23%. The variety was resistant to charcoal rot with the incidence of 14.16% and the incidence index of 5.53, which was the lowest in the varieties tested. Production tests in 8 experimental bases located in 4 provinces indicated that the average yield was 1 110.45kg/hm~2, which was 21.12% higher than Yuzhi No. 4. And yield increase was achieved in all the production experiments. The new variety characterized with strong and tall stem,high growth potential, large seed size with white seed coat which was mostly commercially accepted was a breakthrough of sesame variety integrated with high yield, disease resistance and wide adaptability. Based on the variety characters, key production techniques for high efficiency and yield were proposed.