东农303东农303(白头翁×卡它丁)是东北农学院在1976年决选育成。经1978—1980年三年试验比“克新4号”增产二成多。特征特性属早收型,一般出苗45—50天即可收获,在黑龙江省松花江地区6月1日出齐苗,于7月15—20日收获。梳株较矮小,高40—50厘米,分枝少,花白也,雄性不孕,块茎卵园,白皮,黄肉,芽眼浅,块茎膨大速度块,休眠期短。高抗花叶型病毒。块茎耐贮性好。淀粉含量13%,食味较好.栽培要点一股肥力亩保苗4000株,有灌水条件可于孕蕾期亩灌水2吨,7月20日收获亩产可达4000斤。 Dongnong 303 Dongnong 303 (Pulsatilla × Cattanen) is the Northeast Agricultural College in 1976, the final election bred. After three years of 1978-1980 test than the “new No. 4” increase of more than 20%. Characteristic characteristics are early harvest, the general emergence of 45-50 days can be harvested in the Songhua River in Heilongjiang Province on June 1 out of Qi Miao, July 15-20 harvest. Dwarf combs shorter, 40-50 cm high, less branching, flowers white, male infertility, tubers egg park, white, yellow meat, eyes shallow bud, tuber expansion rate block, short dormancy. High anti-mosaic virus. Good storability of tubers. Starch content of 13%, better taste. Cultivation points a fertility Miao Bao 4000, irrigation conditions can be 2 acres of irrigation buds in the bud, July 20 harvest of up to 4,000 kg per mu.