| 外源激素和青霉素处理对西瓜幼苗抗寒性的影响 |
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| 引用本文： | 卢明,向承勇.外源激素和青霉素处理对西瓜幼苗抗寒性的影响[J].安徽农业科学,2011,39(27):16523-16524. |
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| 作者姓名： | 卢明 向承勇 |
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| 作者单位： | 1. 广西农业职业技术学院园艺工程系,广西南宁,530007
2. 南充市农业科学院,四川南充,637000 |
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| 摘 要： | 目的]筛选可提高西瓜幼苗抗寒性的外源激素的种类及其有效浓度。方法]以西瓜幼苗为材料,用不同外源物质处理幼苗,测定其主要的生长指标、冷害指标和保护性酶的活性,评价各处理的抗寒性。结果]ABA、BA和青霉素能提高西瓜幼苗的抗寒性,以25mg/L ABA处理体效果最佳,50 mg/L ABA次之;1 000 mg/L青霉素和25 mg/L BA也有一定的效果;而乙烯利降低西瓜幼苗的抗寒性。结论]用ABA处理可以促进西瓜幼苗的生长,同时能提高西瓜幼苗保护性酶的活性,可作为提高西瓜幼苗抗寒性的有效手段。
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| 关 键 词： | 青霉素外源激素 西瓜幼苗 抗寒性 POD CAT |
Effects of Exogenous Hormone and Penicillin on the Cold Resistance of Watermelon Seedlings |
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| LU Ming et al.Effects of Exogenous Hormone and Penicillin on the Cold Resistance of Watermelon Seedlings[J].Journal of Anhui Agricultural Sciences,2011,39(27):16523-16524. |
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| Authors: | LU Ming |
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| Institution: | LU Ming et al(Horticulture Department of Guangxi Agriculture Vocational and Technical College,Nanning,Guangxi 530007) |
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| Abstract: | Objective] The aim was to screen exogenous hormone species and effective concentration for improving cold resistance of watermelon seedlings.Method] With watermelon seedlings as materials,dealing with different foreign substances seedlings,the main growth indicators,chilling injury index and the activity of protective enzymes were determined,and cold hardiness of each treatment was evaluated.Result] ABA,BA and penicillin can improve the cold tolerance of watermelon seedlings,25 mg/L ABA treatment as the ... |
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| Keywords: | Penicillin exogenous hormone Watermelon seedlings Cold resistance POD CAT |
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