
Effects of Different Control Methods on Root-knot Nematode of Greenhouse Cucumber
LI Xiaoyan, NI Chang, LIU Xu
Effects of Different Control Methods on Root-knot Nematode of Greenhouse Cucumber
To explore the prevention and control effects of different methods on cucumber root-knot nematode disease, a greenhouse experiment was carried out with the local cucumber varieties as the test materials. The control effects of three methods, including high temperature tightly greenhouse in summer (physical method), application of Bacillus amyloliquefaciens B1619 (biological method) and the integrated control by physical and biological methods, were compared. The results showed that the integrated control by physical and biological methods had the best control effect, reaching 85.17%. This experiment could provide data reference for the harmless prevention and control of greenhouse vegetable root-knot nematode disease in Suqian.
greenhouse cucumber / root-knot nematode disease / greenhouse experiment / physical control / biological control / integrated control {{custom_keyword}} /
表1 土壤基本理化性质 |
样本序号 | 全氮/% | 速效钾/(mg/kg) | 有效磷/(mg/kg) | pH | 有机质/(g/kg) | 全磷/(g/kg) | 全钾/(g/kg) | 电导率/(μS/cm) | 碱解氮/(mg/kg) |
---|---|---|---|---|---|---|---|---|---|
1 | 0.134 | 1050 | 255.0 | 7.8 | 23.5 | 2.11 | 18.6 | 10.37 | 90.6 |
2 | 0.132 | 1060 | 299.7 | 7.7 | 24.8 | 2.81 | 18.6 | 634.29 | 110.7 |
3 | 0.140 | 1015 | 239.3 | 7.6 | 23.7 | 2.42 | 19.2 | 612.71 | 133.5 |
4 | 0.132 | 810 | 205.0 | 7.8 | 23.3 | 2.75 | 19.3 | 595.92 | 131.6 |
5 | 0.111 | 660 | 218.0 | 7.8 | 18.9 | 2.47 | 19.5 | 432.85 | 124.3 |
表2 不同防治方法对黄瓜产量的影响 |
处理 | 产量/(t/hm2) | 增产率/% |
---|---|---|
T0 | 6.35c | — |
T1 | 7.53b | 18.58c |
T2 | 8.18b | 28.82b |
T3 | 9.29a | 46.30a |
注:同列数据后不同小写字母表示在P<0.05水平上有显著差异,下同。产量为根据黄瓜单株质量计算的折合公顷产量。 |
表3 不同处理方法对黄瓜植株农艺性状的影响 |
处理 | 株高/cm | 茎粗/mm | 平均叶片数/个 | 最大叶面积/cm2 |
---|---|---|---|---|
T0 | 132d | 6.58b | 12.78a | 438.78c |
T1 | 133b | 6.62b | 13.09a | 492.53b |
T2 | 135b | 6.67b | 13.11a | 492.78b |
T3 | 136a | 6.87a | 13.22a | 510.33a |
表4 不同防治方法对结线虫数量的影响 |
处理 | 数量/[条/(100 g·干土)] |
---|---|
T0 | 65a |
T1 | 37b |
T2 | 26c |
T3 | 15d |
表5 不同防治方法对结线虫防治效果的影响 |
不同处理 | 根结指数 | 防治效果/% |
---|---|---|
T0 | 3.91a | — |
T1 | 1.11b | 71.61c |
T2 | 0.85c | 78.20b |
T3 | 0.58d | 85.17a |
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