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正德305是张掖市多成农业有限公司选育的玉米新品种,2014年通过甘肃省品种审定(审定编号:甘审玉2014004)该品种株高280~340cm,穗位高120~130cm,株型半紧凑。全株叶片数19~21片,雄穗分枝数7~10个,花药、花丝紫红色。果穗锥形,穗轴红色,穗长18~21cm,穗粗5.2cm,轴粗2.7cm,穗行数16~18行,行粒数36~42粒,籽粒黄色、半马齿型。千粒重361 g,出籽率88.5%。中晚熟品种,在甘肃春播生育期128~133天。
Zhengde 305 is a new maize variety bred by Zhangye Dacheng Agricultural Co., Ltd. It passed the Gansu Provincial Variety Approval (Approval No. Gan Juyu 2014004) in 2014 and has a plant height of 280-340cm and ear height of 120-130cm. Plant type Semi-compact The number of leaves 19 to 21 whole plant, tassel branch number 7 to 10, anthers, filament purple. Ear cone, cob red, spike length 18 ~ 21cm, ear diameter 5.2cm, axis 2.7cm thick, spike rows 16 to 18 lines, grain number 36 to 42, grain yellow, semi-dentate. Thousand grain weight 361 g, seed yield 88.5%. Medium and late-maturing varieties, spring planting in Gansu 128 to 133 days.