中国热带农业科学院机构知识库

Density Estimation of Ground-Dwelling Predators in Wheat Fields of Northwest China

文献类型：外文期刊

作者： Liu, Junhe ¹ ; Yu, MingFu ¹ ; Ali, Abid ² ; Liu, JiaYang ¹ ; Li, Keming ⁴ ; Khuhro, Niaz Hussain ⁵ ;

作者机构： 1.Huanghuai Univ, Dept Biol Engn, Zhumadian 463000, Henan, Peoples R China

2.Univ Agr Faisalabad, Dept Entomol, Faisalabad 38000, Pakistan

3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Laboratoly Biol Plant Dis & Insect Pest, Beijing 100193, Peoples R China

4.Chinese Acad Trop Agr Sci, Inst Banana & Plantain, Haikou 570102, Peoples R China

5.Nucl Inst Agr, Tandojam 70060, Sindh, Pakistan

关键词： Biological control;cereal aphids;ground-dwelling predators;species diversity

期刊名称：PAKISTAN JOURNAL OF ZOOLOGY （影响因子：0.831；五年影响因子：0.768 ）

ISSN： 0030-9923

年卷期： 2016 年 48 卷 2 期

页码：

收录情况： SCI

摘要： High abundance and species diversity of natural enemies is the basis for biological pest control in wheat fields. However, population densities of ground-dwelling predators are less known, despite their potential to reduce cereal aphid population. In the present study, the role of natural enemies dwelling in the soil limiting the densities of wheat aphids has been focused. The population abundance of ground-dwelling predators and cereal aphids were sampled weekly from 2009-2012 in Ningxia Province, China. Results showed that natural enemies abundance was negatively correlated with aphid densities, indicating predator did not exhibit a numerical response to cereal aphids. Nine species of ground-dwelling predators accented for 78% of all predators collected. Species richness of collected predators varied significantly, depended on the geographical positions. Two species of the predators namely, Chlaenius pallies and Pterostichus gebler were dominant at all selected locations. These findings could be helpful for management of cereal aphids by exploiting ground-dwelling predators as biological agent in wheat fields.

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