Landscape factors affecting the control of Mamestra brassicae by natural enemies in Brussels sprout

被引：45

作者：

Bianchi, FJJA ^{[1
]}

van Wingerden, WKRE ^{[1
]}

Griffioen, AJ ^{[1
]}

van der Veen, M ^{[1
]}

van der Straten, MJJ ^{[1
]}

Wegman, RMA ^{[1
]}

Meeuwsen, HAM ^{[1
]}

机构：

[1] Alterra Green World Res, NL-6700 AA Wageningen, Netherlands

来源：

AGRICULTURE ECOSYSTEMS & ENVIRONMENT | 2005年 / 107卷 / 2-3期

关键词：

non-crop habitat; biological control; landscape structure; natural enemies; agro-ecosystems;

D O I：

10.1016/j.agee.2004.11.007

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Landscape structure may affect the regulation of insect pests by their natural enemies. Some landscape factors associated with increased levels of pest control by the natural enemy complex were identified. During 2 years, egg batches of Mamestra brassicae on cards were placed in 42 organic Brussels sprout fields in The Netherlands. After 2 days in the field predation and parasitism rates (7.2 and 12.4%, respectively) were found to be related to landscape variables at a scale of 0.3, 1, 2 and 10 km. Predation rates were positively correlated with woody habitats; whereas, parasitism rates were positively correlated with the pasture area and/or negatively correlated with the horticulture area. These results suggest that structurally complex landscapes with substantial areas of woody habitats and a limited agricultural area have potential for sustainable pest control by natural enemies. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：145 / 150

页数：6

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