CAJ | 학술논문

紫玉洋葱新品种是采用系统选择的方法，用优良单株经过8a4代定向选择，4a2代改良育成的紫皮扁圆形新品种，属中熟品种，生育期270 d左右；产量高，为97.5 t/hm2；品质优，鳞茎含维生素C 89.7 mg/kg、蛋白质0.96％、硒元素0.0339 mg/kg ；商品性好，商品球率大于80％；耐贮藏，干燥通风处可贮藏95 d以上；抗霜霉病，紫斑病；适宜河南省及周边地区种植。
자옥양총신품충시채용계통선택적방법，용우량단주경과8a4대정향선택，4a2대개량육성적자피편원형신품충，속중숙품충，생육기270 d좌우；산량고，위97.5 t/hm2；품질우，린경함유생소C 89.7 mg/kg、단백질0.96％、서원소0.0339 mg/kg ；상품성호，상품구솔대우80％；내저장，간조통풍처가저장95 d이상；항상매병，자반병；괄의하남성급주변지구충식。
Ziyu Onion ,a new variety of purple oblate ,was selected by the system selection meth-od ,with a good plant after 8 years of 4 generation of directional selection and 4 years of 2 genera-tion of improvement ,w hich characterized by a middle maturity ,grow th period of 270 days ,a high yield of about 97 .5 t per hectare .T he new variety had a bulb vitamin C content of 89 .7 mg/kg , protein content of 0 .96% ,selenium content of 0 .033 9 mg/kg .Its good commodity was well with a commodity ball rate greater than 80% and a storage period in dry ventilated place more than 95 d . It showed resistance to downy mildew and purple spot and was suitable for the cultivation in Henan and its surrounding areas .