不同栽插方式及九二○用量对皖稻125制种产量的影响研究

皖稻125是安徽省农科院水稻研究所育成的杂交中籼新组合,具有早熟、高产、抗病等特点,2006年通过国家农作物品种审定。2004—2005年对其在淮北地区不同父母本行比及播期、栽插密度与激素用量等对制种产量性状的影响进行了研究。结果表明:提高母本栽插密度是提高制种产量的关键,但同时也要兼顾其他性状。皖稻125制种产量3 000 kg/hm2适宜的播种期及播差期为:父本5月10日播种,父母本播差期为31 d;父母本行比宜采用2∶14;母本栽插密度采用13.3 cm×13.3 cm,九二○的用量控制在210 g/hm2左右。

Studies on the Influence of the Seed Production Yield in Different Cultivation Ways and 920 Dosage with Wandao 125

Wandao 125 is a new middle indica hybrid rice combination,bred by the Rice Research Institute,Anhui Academy of Agriculture Sciences,it has early mature,high yield,good disease resistance.It was approved to release in China by the National Crop Variety Committee in 2006.In 2004 and 2005,designed the experiments of the different parents sowing date,transplant density and the different hormone dosages on seed yield characters in Huaibei area.The results showed that improving the transplant density was the key ...