南方根结线虫初始接种密度对生姜生长的影响

应用生态学报 ›› 2005, Vol. 16 ›› Issue (11): 2135-2139.

南方根结线虫初始接种密度对生姜生长的影响

郭衍银^1,2, 徐坤², 王秀峰², 苏保乐³

1. 山东理工大学轻工与农业工程学院, 淄博 255000;
2. 山东农业大学园艺科学与工程学院, 泰安 271018;
3. 潍坊出入口检验检疫局, 潍坊 261041

收稿日期:2004-09-15 修回日期:2005-01-25 出版日期:2005-11-15 发布日期:2005-11-15
通讯作者: 王秀峰
基金资助:
山东省科技攻关计划项目(022090131)和国家"948"计划资助项目(2003-T14).

Effects of Meloidogyne incognita initial inoculation density on ginger growth

GUO Yanyin^1,2, XU Kun², WANG Xiufeng², SU Baole ³

1. School of Agriculture and Light Industry Engineering, Shandong University of Technology, Zibo 255000, China;
2. College of Horticulture and Engineering, Shandong Agricultural University, Taian 271018, China;
3. Weifang Entry-exit Inspection Quarantine Bureau, Weifang 261041, China

Received:2004-09-15 Revised:2005-01-25 Online:2005-11-15 Published:2005-11-15

摘要/Abstract

摘要： 在盆栽条件下,研究了南方根结线虫不同初始接种密度对生姜生长的影响.结果表明,南方根结线虫的侵染,降低生姜株高、茎粗、分枝数、茎叶鲜重和根系鲜重,最终降低生姜的产量,且随着接种密度的增加,生姜生长所受到的危害也随之增加.每100 g干土接种0、100和200个卵,可使生姜分别减产27.91%、37.73%和42.14%.初始接种密度对南方根结线虫繁殖速率也有很大影响.一般初始接种密度低时繁殖速率高,接种密度高时繁殖速率低,其在生姜上的平衡密度为每100 g干土746.20个.

关键词: 生姜, 南方根结线虫, 接种密度, 产量

Abstract: The study with potted ginger showed that Meloidogyne incognita infection could reduce the plant height,stem diameter,quantity of shoots,and fresh weight of stem,leaf and root,and finally,reduce ginger yield.With the enhancement of M.incognita initial inoculation density,the growth of ginger was damaged more severely,e.g.,under inoculating 50,100 and 200 M.incognita eggs per 100 g soil,ginger yield decreased by 27.91%,37.73% and 42.14%,respectively.The reproduction rate of M.incognita was also affected by the initial inoculation density,the lower the initial inoculation density,the higher the reproduction rate.When the inoculation density reached 746.20 eggs per 100 g soil,the reproduction rate was 1.

Key words: Ginger, Meloidogyne incognita, Inoculation density, Yield

中图分类号:

郭衍银, 徐坤, 王秀峰, 苏保乐. 南方根结线虫初始接种密度对生姜生长的影响[J]. 应用生态学报, 2005, 16(11): 2135-2139.

GUO Yanyin, XU Kun, WANG Xiufeng, SU Baole . Effects of Meloidogyne incognita initial inoculation density on ginger growth[J]. Chinese Journal of Applied Ecology, 2005, 16(11): 2135-2139.

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