论文部分内容阅读
丰产抗病水稻新品种——龙粳5号 品种来源:黑龙江省农业科学院水稻研究所于1985年以合良 682/BL_7为母本,合单 80-036为父本杂交育成。1997年2月通过黑龙江省农作物品种委员会审定推广。 特征特性:该品种生育日数135—138天,需活动积温 2550 C—2600 C。苗期生长势强,分蘖力中等,茎秆粗壮,秆强抗倒,叶色浓绿、抗稻瘟病性强。株高 90-95厘米,穗长 16.5-19.0厘米,每穗粒数100-130粒,不实惠15％左右,千粒重26-29克,无芒、颖与颖尖秆黄色,糙米率82.9％,精米率
Longjing 5, a New High-yielding and Disease-resistant Rice Variety Source: The Rice Research Institute of Heilongjiang Academy of Agricultural Sciences in 1985 with a good mother 682 / BL_7 as the female parent, a single male parent 80-036 breeding. In February 1997, Heilongjiang Province Crop Variety Commission approved the promotion. Characteristics: The variety of birth days 135-138 days, need activity accumulated temperature 2550 C-2600 C. Strong seedling growth, medium tillering ability, stalks stout, stalk strong resistance, leaf color dark green, strong resistance to blast. Plant height 90-95 cm, spike length 16.5-19.0 cm, 100-130 grains per spike, non-benefit of about 15%, grain weight 26-29 grams, no mango, Ying and Ying sharp stalk yellow, brown rice rate of 82.9% Milled rice rate