|Table of Contents|

Weed Seedbank and Chemical Control in Soybean Field of South China(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年06期
Page:
966-971
Research Field:
Publishing date:

Info

Title:
Weed Seedbank and Chemical Control in Soybean Field of South China
Author(s):
FANG Yue; MU Ying-hui; SHEN Xue-feng; CHEN Yong
College of Agriculture,South China Agricultural University,Guangzhou 510642,Guangdong,China
Keywords:
Soybean; Weed seedbank; Chemical control; Safety
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.06.023
Abstract:
Field trials were conducted at post-emergence to evaluate the control effect of six herbicides in spring soybean field,South China.The relationship between weed seedbank and chemical control was studied by seedbank lure grows method and field efficacy trials method.The results showed that 10 species of weed were investigated and mainly distributed in 0-10 cm soil.The highest density was 6 861 plant·ha-1 in the weed seedbank,while the field density of weed was 208 plant·ha-1,just 3.03% of the seedbank;six kinds of herbicides had good control effect,especially 7.5% acifluorfen·quizalofop-P-ethyl EC.The weed of grass family,dicotyledon,cyperaceae was controlled by 70.7%-72.4% at 45 days after post-emergence treatment and the soybean yield was increased by 20.5%-34.5%.

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Last Update: 2014-08-20