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32% Solito EC对直播稻田杂草的防除效果及安全性评价
Weeds control effects and crop safety of 32% Solito EC in direct seeding paddy fields
【Author】 Ying Zhilong;Zeng Zhihui;Tian Jiashun;Liu Doucai;Liu Xueyuan;Syngenta(China) Investment Co.,Ltd;Hunan Plant Protection Research Institute;
【机构】 先正达(中国)有限公司; 湖南农业科学院植物保护研究所;
【摘要】 为有效防除水稻直播田杂草,由先正达公司研发生产的除草剂32%Solito EC,在湖南、广东进行了田间小区试验。试验结果表明:32%Solito EC对直播稻田稗草、阔叶杂草和莎草均具有显著的防除效果;有效成分量288g a.i/ha~384g a.i/ha的综合防效均在90%以上;最优施药期为播种后10天。32%Solito EC有效成分量384g a.i/ha以下,对水稻的株高和分蘖没有造成不良影响。本研究表明,Solito是一种安全高效的水田除草剂。
【Abstract】 Solito 32%EC is a new herbicede of Syngenta for weed control in direct seeding rice fields,experiments were conducted to evaluate the weed control effects and different crop safety of 32%Solito EC in hunan and Guangdong provme.The results showed that 32%Solito EC had good control effects on Echinochloa crusgalli(L.)Beauv.,Leptochloa chinensis(L.) Nees,broad-leaf weeds and sedge weeds in direct seeding paddy fields.The overall effect was over 90%at 288-384 g a.i/ha.The suitable applying period was 10 date after seeding.The herbicide had very good safety to direct seeding rice under 384 g a.i/ha.
【Key words】 Solito; rice; weed of direct seeding rice fields; control effects;
- 【会议录名称】 农田杂草与防控
- 【会议时间】2011-08
- 【分类号】S451.21