保苗剂防治棉花苗期害虫效果及对棉花性状的影响  

The Control Efficiency of Protecting Agent of Seedling (PAS)for Cotton Pests and the Effect of PAS on Cotton Appearances in Seedling Stage

作　　者：凌冰 孙新华 刘芳政 王春华 

出　　处：《新疆农业大学学报》1997年第1期15-19,共5页Journal of Xinjiang Agricultural University

基　　金：国家"九五"科技攻关资助TheControlEficiencyofProtectingAgentofSedling(PAS)forCotonPestsandtheEfectofPASonCotonAppearancesinSeedlingStageLinBingSunXinhuaLiuFangzhengWangChunhua(ColegeofAgronomy)AbstractTheresultsofexperimentshowed(1)theoutstandingefe

摘　　要：试验结果表明，保苗剂处理棉种（药剂∶种子＝１∶３０～５０）后防治棉花苗期害虫－－棉叶螨（ＴｅｔｒａｎｙｃｈｕｓｃｉｎｎａｂａｒｉｎｕｓＢｏｒｓｄｕｖａｌ）和烟蓟马（ＴｈｒｉｐｓｔａｂａｃｉＬ．）均有明显的效果，以保苗剂９号的防效最为显著，维持９０％以上的防效可达４０ｄ；其次为保苗剂８号，４０ｄ的平均防效为８２．８％；保苗剂４号和保苗剂５号的防虫效果为７０％左右，持效期３０余天；保苗剂２号的效果较差，药效期仅为２０余天。由新疆农业大学植保系研制的保苗剂系列产品处理棉种对棉花安全，并有一定的促进生长作用，能使棉苗齐、壮。The results of experiment showed (1) the outstanding effect was achieved in control Tertanychus cinnabarinus(Boisduval) and Thrips tabaci L. by using PAS treated cotton seeds-seed dressing. The dosage of PAS was 1 /30-50 cotton seed. The best result of control pest was gained by using PAS 9,above 90% control result was kept for 40 days. The average effect of PAS 8 after sowing for 40 days was about 82.8%. The result of PAS 4 and PAS 5 were about 70%. PAS 2 is less not effective, its expiry date lasted about 20 days.(2)A quite satisfied promotion effect of all PAS products made in Department of Plant Protection of Xinjiang Agricultural University for cotton seedling growth was gained also from field tests. An even emergence of seedling, strong and luxuriant seedling was showed in cotton seedlig stage.

关 键 词：保苗剂 棉种包衣 棉叶螨 烟蓟马 害虫 防治 棉花 

分 类 号：S562.041[农业科学—作物学] S435.622