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玉米是江苏省重要的粮食和饲料作物,种植面积已达750万亩。随着生产条件的改善和玉米产量的提高,选育出比目前推广品种增产显著、品质优良、抗性好的玉米新品种是玉米育种的重要任务。苏玉4号(苏80-1×集2-9-1)的育成为我省大面积更换玉米新品种和提高玉米产量创造了条件。 苏玉4号是江苏省农科院粮食作物所培育的玉米新品种,其特点是产量优势明显,品质优良和抗性好,适合于江苏省作春、夏玉米栽培,也适合南方各省作春、夏、秋玉米种植。 选育经过及产量表现 1.自交系选育:苏玉4号玉米品种的两
Corn is an important grain and forage crop in Jiangsu Province, with an acreage of 750 million mu. With the improvement of production conditions and the improvement of corn yield, it is an important task for corn breeding to breed new varieties of maize which have significant yield increase, good quality and good resistance than the current popularized varieties. Su Yu 4 (Su 80-1 × set 2-9-1) bred in large areas in our province to replace new corn varieties and improve corn production to create the conditions. Suyu 4 is a new maize cultivar cultivated by Jiangsu Academy of Agricultural Sciences food crops, which is characterized by obvious yield advantages, good quality and good resistance, suitable for spring and summer maize cultivation in Jiangsu Province, also suitable for spring in southern provinces Summer and autumn corn planting. Breeding and Yield Performance 1. Inbred line selection: Suyu 4 corn varieties two