冷烂田水稻制种综合配套技术研究  

Research for cultivation techniques of high—yield hybridized rice seeds by means of serial comprehensive improvement in cold and rotten fields

作　　者：商胜东 陈远育 陈光友 夏袆 

机构地区：[1]贵州省道真自治县种子公司,贵州道真563500 [2]贵州省道真自治县植保站,贵州道真563500 [3]贵州省道真自治县上坝乡农技站,贵州道真563500

出　　处：《山地农业生物学报》2000年第2期90-93,共4页Journal of Mountain Agriculture and Biology

摘　　要：针对冷烂田制约水稻制种产量的障碍因子 ,根据父母本生长发育规律 ,以加大“双亲”基本苗 ,增加肥料种类 ,改进施肥方法 ,加强病虫防治等综合配套改良技术为手段 ,经连续 2年的试验研究 ,结果表明 :综合配套改良技术使父母本秧苗长势健壮 ,病害发生少 ,生育期缩短 3～ 4d ,构成种子产量的三个因素明显优于对照 ,增产达极显著水平 ,其增加投入与增产效益比值为 1∶5 0 8～6 57。The study was conducted for two years in order to find the way to increase the output of the hybridized rice seeds in cold and rotten fields. According to the growth rules of the parent plants, the experiments were carried out by strengthening the original parent plants, adding more kinds of fertilizer, improving the methods of applying fertilizer and strengthening the prevention and control of plant diseases and insect pests. The results show that the serial comprehensive techniques can make the parent plants grow healthily, can mostly control the plant diseases and pests and can shorten the growth period by 3-4d so that the output of the seeds promises to be much more. Compared with the investment the benefit is about 5.08 to 6.57 times as much.

关 键 词：冷烂田 水稻 制种 产量 综合配套技术 

分 类 号：S511.032[农业科学—作物学] S339.59