草业科学2017，Vol.34Issue(4)：855-860,6.DOI:10.11829/j.issn.1001-0629.2016-0525
苜蓿新品种草原4号的选育
Breeding of new variety of Medicago sativa cv.Caoyuan No.4
摘要
Abstract
Medicago sativa cv.Caoyuan No.4 with anti-thrips was selected through three cycles using insect resistance identification,superior clones,and combination of insect resistant identification and cooperation equipped with basic groups (registration number:477).Root of the variety was erect with horizontal growth root.Stem was erect with setae.Leaf was three compounds with surface setae.Flower was purple.Pod was spiral of 2 to 3 times.Thousand grain weight was 1.86～2.35 g.The variety was high insect resistance (hazard point coefficient:0.26,and pest index:0.33),drought resistance,cold resistance,and barren resistance.It can be cut three times,average hay yield was 12 000～16 000 kg · ha-1,and seed yield was 230.90 kg · ha-1 in Hohhot regions.The crude protein content was 19％.This alfalfa specie was suitable for the cultivation in serious thrips harm regions as southern provinces of the north China.关键词
草原4号苜蓿/蓟马/抗虫性/轮回选择Key words
Medicago sativa cv.Caoyuan No.4/thrips/insect resistance/recurrent selection分类
农业科技引用本文复制引用
特木尔布和,肖燕子..苜蓿新品种草原4号的选育[J].草业科学,2017,34(4):855-860,6.基金项目
国家科技部项目(2006BAD10A19-8) （2006BAD10A19-8）
