【摘要】 为解决黄瓜杂交制种效率低下的技术难题 ,在网室隔离条件下 ,探讨了密度、钾肥、授粉时温度、授粉方式和瓜位等因素对黄瓜制种产量及质量的影响。结果表明 ,黄瓜采种的适宜密度为 5 5 0 0株 /6 6 6 .7m2 ;授粉的适宜温度为 2 5℃左右 ;每6 6 6 .7m2 施钾肥 30～ 40 kg增产效果较好。更多还原

【Abstract】 In order to overcome the technological problems of hybrid seed production in cucumber,a series of studies were conducted in net isolation.The results indicated that the suitable density was 5 500 plants/666.7m2,the suitable pollination temperature was 25 ℃,the suitable potash fertilizer was 30～40 kg/666.7m2 for cucumber seed production.更多还原