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1 增产效应甘春11号小麦系酒泉市春麦主体品种,年播种面积20万亩左右。由于品种使用年限长,普遍引起混杂退化,产量严重下降。为了恢复保持甘春11号的优良种性,提高小麦产量,酒泉市种子公司利用3年时间选甘春11号小麦标准单穗65000个,建立穗行圃32.5亩,穗系圃40.1亩,原种圃265亩,建立原种繁殖专业户180个,生产原种10.47万公斤。设置原种与大田
A yield increase Gan Chun 11 wheat spring Jiuquan main varieties, annual sown area of about 200000 acres. Due to the long service life of the cultivars, widespread mixed degeneration and serious decline in output. In order to restore the good variety of Ganchun 11 and increase the wheat yield, Jiuquan Seed Company used 65000 standard single-spike of Ganchun 11 wheat for 3 years to establish 32.5 mu of spike plantation and 40.1 mu of spike plantation. 265 acres of nurseries, the establishment of breeding specialists of 180 species, production of 104,700 kilograms of original species. Set the original species and field