垦糯4号水稻是黑龙江省农垦科学院水稻所以石狩为母本,以垦糯2号×永系7369的后代垦78-279为父本杂交育成。原代号为垦83-458。 1984、1985年所内鉴定试验,平均公顷产量为5673千克,较对照垦糯2号增产13.5%。1985年异地鉴定试验,5点平均,每公顷产量为5388.8千克,较垦糯2号增产19.2%。1986～1988年在我省第二积温带的 Kenyou 4 rice is the Heilongjiang Academy of Land Reclamation of the Academy of Sciences, so the kohlrabi as the female parent to Kenyou 2 × Yong 7369 offspring Ken 78-279 as male parent breeding. The original code Ken 83-458. In 1984 and 1985, the appraisal test showed that the average yield per hectare was 5,673 kg, an increase of 13.5% over the control Kenwo 2. 1985 off-site testing, 5:00 average yield of 5,388.8 kg per hectare, Kennametal 2, an increase of 19.2%. 1986 ~ 1988 in the province in the second plot temperate