优质高产芝麻新品种郑太芝1号的选育

Breeding of New High-yield Superior Sesame Variety Zhengtaizhi No.1

郑太芝1号是河南省农业科学院芝麻研究中心利用杂交育种、空间诱变育种相结合选育而成的芝麻新品种。该品种增产潜力大、品质优良、抗性优良。2011—2013年参加品系鉴定、区域试验,平均单产1 499.0 kg/hm^2,比对照(豫芝4号)增产23.74%,均居第1位;粗脂肪含量57.49%,高出我国目前芝麻行业高油标准2.49个百分点,粗蛋白质含量17.49%,属油用型芝麻新品种;高抗茎点枯病、枯萎病(发病率分别为4.6%、3.2%),耐渍、耐旱、抗倒性强,属高抗、广适型芝麻品种,适宜在河南和安徽省芝麻产区种植。

Zhengtaizhi No.1 was a new sesame variety, which was derived by combination of hybridization and space radiation technique.Zhengtaizhi No.1 had big potential for yield,good quality and strong resistance.The average yield of Zhengtaizhi No.1 was 1 499.0 kg/ha in strains identification and regional test from 2011 to 2013,which increased by 23.74% compared with the control variety( Yuzhi No.4),located the first.The crude fat content of seed was 57.49%,2.49 percent points higher than the high-oil standards in sesame industry.The crude protein content of seed was 17.49%,so it was a new oilused sesame variety.The incidences of Macrophomina phaseolina and Fusarium oxysporium were 4.6%and 3.2%.Zhengtaizhi No.1 had tolerance to waterlogging,lodging and drought,and belonged to highresistance and wide-suitability variety,suited for cultivation in Henan and Anhui sesame productive region.