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珍珠粟对降低土壤中大豆胞囊线虫密度的作用

许艳丽 姚钦 宋洁 潘凤娟 刘春龙

土壤与作物Issue(1):1-9,9.
土壤与作物Issue(1):1-9,9.DOI:10.11689/j.issn.2095-2961.2014.01.001

珍珠粟对降低土壤中大豆胞囊线虫密度的作用

Influence of Pearl Millet on Soybean Cyst Nematode Density in Soil

许艳丽 1姚钦 1宋洁 1潘凤娟 1刘春龙1

作者信息

  • 1. 中国科学院东北地理与农业生态研究所中国科学院黑土区农业生态重点实验室,黑龙江 哈尔滨 150081
  • 折叠

摘要

Abstract

Annual herbal pearl millet is a valuable forage crop , and it can also decrease the density of plant-parasitic nematodes in soil at the same time.The influence of pearl millet on soybean cyst nematode density was examined in a 2-year field experiment in Har-bin and Hailun , respectively.Pearl millet ( CFPM-101 ) was planted in long-term soybean continuous cropping fields , and adjacent soybean continuous cropping fields was as control.The cyst and egg densities of soybean cyst nematode were tested from top soil before pearl millet planting and after harvesting.The results showed that pearl millet reduced the cyst density of soybean cyst nematode by 31.1%to 100%in Harbin and Hailun , however , the cyst density of soybean cyst nematode was increased by 20.6% to 97.5% in soybean field after harvesting stage.Pearl millet reduced the egg density of soybean cyst nematode by 53.2%to 100%.The egg density of soybean cyst nematode was increased by 23.5% to 550% in soybean field after harvesting stage.Our research demonstrated that pearl millet can effectively decrease soybean cyst nematode in soybean continuous cropping fields .

关键词

珍珠粟/大豆胞囊线虫/胞囊//大豆

Key words

Pearl millet/Heterodera glycines/soybean cyst/egg/soybean

分类

农业科技

引用本文复制引用

许艳丽,姚钦,宋洁,潘凤娟,刘春龙..珍珠粟对降低土壤中大豆胞囊线虫密度的作用[J].土壤与作物,2014,(1):1-9,9.

基金项目

黑龙江省科技计划项目(GA09B103-10);国家“十一五”科技支撑计划资助项目 ()

土壤与作物

OACSTPCD

2095-2961

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