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1 材料与方法材料:试验材料为1989～1993年从齐齐哈尔、甘南等地收购的种子:有大豆合丰25、玉米龙单1号、高粱齐14A×齐康千和小麦克旱9。方法: 1.1 千粒重、发芽率:按国标《农作物种子检验规程》测定。 1.2 出苗率:将每个品种的种子分成4个重复组,每个重复组100粒种子。将种子摆在放有滤纸的清
1 Materials and methods Materials: The test materials were purchased from Qiqihar and Gannan from 1989 to 1993: Hefeng 25, Longdan 1, Sorghum 14A, Xikang 1000 and Wheat Khan9. Methods: 1.1 grain weight, germination rate: According to the national standard “crop seed test” determination. 1.2 Emergence rate: Divide the seeds of each variety into four replicate groups of 100 seeds per replicate group. Put the seeds put filter paper clear