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龙粳42原代号龙交071963,是黑龙江省农业科学院佳木斯水稻研究所及黑龙江省龙科种业集团有限公司2002年以优质、耐冷、丰产的空育131为母本,以抗稻瘟病、高产的龙盾20-240为父本有性杂交,经系谱法选育而成的。2013年12月被确认为黑龙江省良种化工程中标品种,2014年1月经黑龙江省农作物品种审定委员会审定,确定在黑龙江省第二积温带种植推广。连续3a黑龙江省试验结果表明,龙粳42分蘖力强,产量
Longjing 42 original code Longjiao 071963, is the Jiamusi Rice Research Institute of Heilongjiang Academy of Agricultural Sciences and Heilongjiang Long Branch Seed Industry Group Co., Ltd. in 2002 to high-quality, cold-resistant, high yield Kongyu 131 as the female parent to blast resistance, high yield Dragon Shield 20-240 sexual hybrids, derived from the genealogy. In December 2013, it was confirmed as the successful variety project of Heilongjiang Province. In January 2014, it was examined and approved by Heilongjiang Crop Variety Approval Committee to determine the promotion of the second accumulated temperature in Heilongjiang Province. Continuous 3a Heilongjiang Province test results show that Longjing 42 tillering ability, yield