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杂交水稻从三系向两系的发展被称为水稻生产的第三次革命。两优培九系江苏省农科院水稻863课题组育成的两系亚种间优质、超高产杂交水稻,是目前杂交稻最“热门”的新品种。临安市在试种示范的基础上,根据山区特点,进行氮肥施用技术和密植配套技术试验,掌握了该品种特点和超高产栽培技术。 1.品种特点两优培九具有较明显的两系杂种优势。1998年和1999年,该品种参加了在临安进行的杭州市单季稻小区品比试验,实收产量比汕优63分别增加11.7％
The development of hybrid rice from three lines to two lines is called the third revolution in rice production. Liangyoupeiju is a new breed of high quality and super high yielding hybrid rice between two lines of subspecies bred in the 863 project group of Jiangsu Provincial Academy of Agricultural Sciences. Lin’an City, on the basis of trial demonstration and demonstration, based on the characteristics of the mountainous areas, conducted nitrogenous fertilizer application techniques and close planting technology experiments, grasping the characteristics of the varieties and super-high-yielding cultivation techniques. 1. Breed characteristics Liangyoupeijiu obvious two-line hybrid superiority. In 1998 and 1999, the variety participated in the trial of single-cropping rice in Hangzhou in Lin’an, with the actual yield increased by 11.7%