不结球白菜抽薹前后的生理生化研究  

Physiological and biochemical studies on non-heading Chinese cabbage before and after bolting

作　　者：杜正香[1,2,3] 侯瑞贤[2,3] 李晓峰[2,3] 朱红芳[2,3] 朱玉英[2,3] 侯喜林[1] 

机构地区：[1]南京农业大学园艺学院,南京210095 [2]上海市农业科学院园艺研究所,上海201106 [3]上海市设施园艺技术重点实验室,上海201106

出　　处：《上海农业学报》2011年第1期60-64,共5页Acta Agriculturae Shanghai

基　　金：上海市科技攻关项目(06DZ19103;09391911400);国家大众蔬菜产业体系上海试验站资助

摘　　要：以抽薹性显著不同的不结球白菜亲本及其F_1为试材,对其营养生长期、现蕾期、抽薹初期、始花期和盛花期的叶片、花蕾和花朵的超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)、丙二醛(MDA)、可溶性蛋白质含量、可溶性糖含量、脯氨酸含量等进行测定。结果显示:SOD、POD、CAT和MDA呈先下降再上升随后又下降的趋势;可溶性蛋白质含量呈先上升后下降的趋势;可溶性糖含量呈先下降再上升的趋势;脯氨酸含量呈上升趋势,不同品系间存在一定的差异。Parents and F_1 of non-heading Chinese cabbage having significantly different bolting traits were used as test materials,and their leaves,buds and flowers at stages of vegetative growth,button appearance,early bolting,initial flowering and full flowering were determined in terms of superoxide dismutase（SOD）,peroxidase（POD）,catalase（CAT）,malondialdehyde（MDA）,soluble protein, soluble sugar and proline.The results showed that the SOD,POD,CAT and MDA first decreased,then increased,but subsequently presented a downward tendency;the soluble protein content first rose and then showed a fall trend while the soluble sugar content first fell and then rose;the proline content showed an upward trend,and among different strains there were certain differences.

关 键 词：不结球白菜 酶活性 丙二醛 可溶性蛋白质 可溶性糖 脯氨酸 

分 类 号：S634[农业科学—蔬菜学] S601[农业科学—园艺学]