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Your Position :Home->Past Journals Catalog->2014年51 No.3

Spatial dynamics of aphids in corn fields
Author of the article:BAI Shu-Xiong** ZHANG Cong YAN Zhan-Feng HE Kang-Lai WANG Zhen-Ying***
Author's Workplace:State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy ofAgricultural Sciences, Beijing 100193, China
Key Words:corn aphids, maize, spatial distribution pattern, aggregation indices
Abstract:     [Objectives]  To clarify the species of corn aphids and their spatial dynamics in north Chinacornfields. [Methods]  Systematic investigations of aphid population dynamics and spatial distribution patterns were carried out in cornfields in 2009-2010 inLangfang,HebeiProvince. [Results]  Five species of aphids occurred in the cornfields; of which Rhopalosiphum maidis (Fitch) and R. padi (L) co-occurred and were the predominant species. [Conclution]  Mixed aphid populations generally had an aggregated distribution on the corn plants but the degree of aggregation varied seasonally.
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