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1 试验材料供试种子为2001年10月新收获的费玉3号玉米种。种子经自然干燥水分降至13%时进行脱粒清选,然后用比重式精选机进行精选。精选后的种子分为1级、2级、3级,以只清选不精选的混合种子为对照。
1 Test material The test seed was Feiyu No.3 corn newly harvested in October 2001. Seeds were dehulled and cleared by naturally drying moisture down to 13% and then finely weighed using a gravity concentrator. Seeds after the selection is divided into 1, 2, 3, with only selected not mixed selected seeds as a control.