出口波斯菊种子的处理技术研究

摘要

以出口波斯菊种子为材料,研究了精选量与容重和发芽率的关系.结果表明:种子的发芽率与容重都随着精选程度的提高而增加,呈正相关关系.精选量和效益的关系是种子精选的实质问题,精选量越大,效益越差,呈反相关关系.两者的最佳平衡点在精选量35%左右.%Using the seeds of calliopsis ( Cosmos bipinnatus CAV.) for exporting as the tested materials, this paper studied the relationships between the amount of precise selection and seed volume weight and germination rate.The results indicated that both the germination rate and volume weight of seeds increased along with the enhancement of the extent of seed precise selection, and there were positive correlations among them.The amount of precise selection and selection efficiency are the substantial matters of seed precise selection, and the greater the amount of seed precise selection was, the lower the selection efficiency was.The optimum amount of seed precise selection was about 35％.