氯化钠对乙酰甲胺磷胁迫下花椰菜种子萌发及幼苗生长的影响  

Effects of NaCl on Seed Germination and Growth of Brassica oleracea var. botrytis L.Seedlings Under Acephate Stress

作　　者：李天星[1] 

机构地区：[1]楚雄师范学院化学与生命科学系,云南楚雄675000

出　　处：《北方园艺》2013年第19期45-48,共4页Northern Horticulture

基　　金：国家自然科学基金资助项目(30760040);云南省应用基础研究计划资助项目(2011FB089);云南省重点建设学科和楚雄师范学院重点学科建设资助项目(05YJJSXK03);楚雄师范学院院级学术骨干资助项目(2011<植物学>);云南省高校科技创新团队支持计划;云南省高校滇中民族植物学重点实验室计划资助项目(2011IRTSTYN)

摘　　要：为探究盐和农药交叉胁迫对植物生长影响的机制,以花椰菜种子为试材,研究了0.0%和0.2%NaCl对0.00%、0.03%、0.06%、0.09%、0.12%不同浓度乙酰甲胺磷下花椰菜种子萌发率及其幼苗生长的影响。结果表明:NaCl和乙酰甲胺磷的交叉胁迫对花椰菜种子萌发及其幼苗根长、苗高、侧根数目、鲜重和干重的增加均具有显著的抑制作用;花椰菜对0.03%乙酰甲胺磷处理敏感,但对0.2%NaCl处理却呈现出了抗性;盐胁迫加剧了农药对植物的胁迫效应;为花椰菜盐碱地区域开发利用及其抗农药、耐盐种质筛选提供参考。In order to explore the mechanism o{ plant growth under the influence of salt and pesticides,taking Brassica oleracea vat. botrytis L. as test materials, the effect of seed germination percentage and seedling growth of under NaCl-acephate combined stress with NaCl concentration as 0. 0 %, 0. 2 % and acephate concentration as 0. 00 %, 0. 03 %, 0. 06%,0. 09%,0, 12% were studied. The results showed that the seed germination percentage, root length, seedling height,number of lateral roots, seedling fresh and dry weight were reduced with NaCl-acephate combined stress; Salt resistance of Brassica oleracea vat. botrytis L. appeared with NaCl concentration as 0. 2 %, while sensitivity of Brassica oleracea var. botrytis L. to acephate treatments appeared with acephate concentration as only 0. 03 % ;salt stress increased the effects of acephate stress on plants. So the research would give us good advice on how to plant Brassica oleracea vat. botrytis L. using saline-alkali soil and how to do screening of Brassica oleracea var. botrytis L. germplasm with acephate resistance and salt resistance.

关 键 词：花椰菜 氯化钠(NaCl) 乙酰甲胺磷 交叉胁迫 种子萌发 幼苗生长 

分 类 号：S635.3[农业科学—蔬菜学]