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于1992-1995年观测了应用固定日长加蓝光与远红光作辅助光照成功诱导难开花甘蔗亲本的开花习性,并初步探讨了斑茅花粉贮存技术。结果表明:(1)同安果蔗、马鞍果蔗和闽糖70—611的始花期较其它亲本迟一个月,开花率也相应较低;(2)除果蔗外,其余参试亲本均可作父母本兼用,但闽糖70—611作母本需先去雄;(3)当采用硅胶干燥法,鲜花粉含水量<35%时,去湿2h即可,否则以5h为宜,低温(-16~22℃)和超低温(-196℃)贮存花粉均可延长其生活力40d,且后者效果更佳。
In 1992-1995, we observed the flowering habits of hard-to-flowering sugarcane parents by using fixed-day long-plus-blue light and far-red light as auxiliary light, and discussed the storage technology of spotted-horse pollen. The results showed that: (1) the flowering rate of Tongan cane, saddle cane and sugar 70-611 was a month later than other parents, and the flowering rate was correspondingly lower; (2) For the parents of both, but the 70-611 Fujian sugar as a male parent should first be emasculated; (3) When using silica gel drying method, fresh water pollen moisture <35%, dehumidification 2h, otherwise 5h is appropriate, low temperature (-16 ~ 22 ℃) and cryogenic temperature (-196 ℃) stored pollen can extend its viability 40d, and the latter effect is better.