| 壳聚糖对苗木立枯病的防治作用及机理初探 |
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| 引用本文： | 苏村水,陈卫东,卓海浪.壳聚糖对苗木立枯病的防治作用及机理初探[J].福建林业科技,2001,28(1):40-43. |
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| 作者姓名： | 苏村水 陈卫东 卓海浪 |
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| 作者单位： | 厦门市林业局同安区上埔苗圃,福建,厦门,361000 |
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| 摘 要： | 木荷和杨梅苗圃施用壳聚糖 30～ 75kg·hm-2 ,经出苗 5 0d后统计 ,苗木立枯病的发病率分别降低了 17 5 %～ 15 6 %和 6 0 6 %～ 71 5 %。土壤根际放线菌的数量和拮抗菌的分析结果显示 ,壳聚糖主要通过增加拮抗菌的绝对数量而提高对立枯病病原真菌的抑制能力。木荷苗木根际土壤及树茎放线菌的抗镰刀菌和丝核菌平均数量 ,分别占供测放线菌总数的19 5 %和 10 0 % ,杨梅为 16 5 %和 9 1%。放线菌是苗圃病害生物防治的重要资源
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| 关 键 词： | 壳聚糖 生物防治 木荷 杨梅 育苗 立枯病 |
| 文章编号： | 1002-7351(2001)01-0040-04 |
Preliminarily Approaching the Action and Mechanism of Controlling the Seedling Blight by Chitosan |
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| SU Cun shui,CHEN Wei dong,ZHUO Hai lang.Preliminarily Approaching the Action and Mechanism of Controlling the Seedling Blight by Chitosan[J].Journal of Fujian Forestry Science and Technology,2001,28(1):40-43. |
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| Authors: | SU Cun shui CHEN Wei dong ZHUO Hai lang |
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| Abstract: | Through the statistics in the fifty first day after the emergence,the disease rate of seedling blight reduced by 15.6%～17.5% and 60.6%～71.5%,respectively with 30～75 kg of chitosan per hm 2 in the nursery of Schima superba and Myrica rubra.Chitosan was mainly through increasing the absolute quantity of antagonistic microorganisms to enhance the inhibitory capacity for the pathogenic fungi of seedling blight. |
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| Keywords: | Chitosan Biological control Schima superba Myrica rubra Seedling raising Seedling blight |
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