LI Tian-xing.Effects of NaCl on Seed Germination and Growth of Brassica oleracea var. botrytis L.Seedlings Under Acephate Stress[J].Northern Horticulture,2013,37(19):45-48.
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
- Title:
- Effects of NaCl on Seed Germination and Growth of Brassica oleracea var. botrytis L.Seedlings Under Acephate Stress
- 文章编号:
- 1001-0009（2013）19-0045-04
- Keywords:
- Brassica oleracea var. botrytis L.; NaCl; acephate; combined stress; seed germination; seedling growth
- 分类号:
- S 635.3
- 文献标志码:
- B
- 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。
- Abstract:
- In order to explore the mechanism of plant growth under the influence of salt and pesticides，taking Brassica oleracea var. 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 var. 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 var. botrytis L.using saline-alkali soil and how to do screening of Brassica oleracea var. botrytis L.germplasm with acephate resistance and salt resistance.
参考文献/References:
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备注/Memo
作者简介：李天星（1968-），男，云南永仁人，彝族，博士，副教授，现主要从事植物生理生态学与景观生态学及生物学的教学与科研工作。E-mail：lxyhx@163.com.