摘要
用100~300ppm强苯赛浸种和喷洒水稻幼苗,不同程度地促进幼苗茎基生长和分蘖,较大幅度地提高有效穗数.以200ppm强本赛+500ppm尿素处理的效果最佳,提高秧田分蘖率28.9%,大田提高苗数40.7%,增加有效穗数9.0%,提高稻谷产量10.1%.
The effects of 2 - hydroxybenzothiazolee on the growth of rice seedlings and grain gield were studied. The growth of stem and tillers of rice seedlings were promoted by soaking the seeds and spraying on seedlings with 100 ̄300 ppm 2--hydroxybenzothiazole solution. The width of seedling stem,the tillering rate, the number of tillers, the number of ears and the grain yield were increased by 6. 7% ̄13. 3%, 14. 8% ̄28. 5%, 14. 5% ̄40. 7%, 1. 2%--9. 0% and 6. 7%-- 10. 1%, respectively, in comparison with the control. The most effective solution was 200 ppm 2-hydroxybenzothiazole with 500 ppm urea.
出处
《华中师范大学学报(自然科学版)》
CAS
CSCD
1995年第2期235-238,共4页
Journal of Central China Normal University:Natural Sciences
关键词
强苯赛
水稻
苗期
产量
生长
hydroxybenzothiazole
rice
seedling growth
grain yield