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期 刊 ：植物保护学报 2000年

关键词：水稻；地膜覆盖；病虫草害；天敌；腐食者；覆膜旱作；

Keywords:rice, filmed ground, pest organism, natural enemy, saprophage,

摘 要 ：就覆膜旱作栽培方式对早稻和单季稻病虫草害、天敌、腐食者等的丰盛度与为害程度影响作了研究。结果表明，稻田覆膜旱作可显著降低早稻纹枯病的发生程度，与常规淹水对照稻田相比，覆盖旱作稻田纵卷叶螟为害率、灰飞虱和蚜虫类虫密度及杂草发生程度无显著差异，但螟虫为害加剧，施肥量仅对照田一半的覆膜田螟虫为害株百分率比对照田提高２．４％～８．５％。水稻覆膜旱作栽培方式和种植密度高低是影响寄生蜂和蜘蛛类密度的主要因子。

Abstract:The effects of filmed ground and dry growing (FD treatment) conditions on the occur-rence/infectiousness of pests (diseases, insect pests and weeds), and richness of natural enemies and saprophagous insects on early rice and singlecrop rice were investiga

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