如何预防草莓畸形果的发生内容摘要:
2、花时间为上午 89 时到下午 34 时,活动温度范围一般在1530。 对其他访花昆虫,也应加以保护利用。 控制温度和湿度花期应严格保护地内的温度和湿度。 温度宜控制在 2028。 要适时放风以降温降湿。 采用无滴薄膜,能防止水滴的影响。 滴灌能有效地降低保护地内的空气湿度。 花期只要地表不干,一般不需灌水。 疏花疏果疏除易出现雌性不稔的高级次花,可明显降低草莓畸形果率,且有利于集中养分,提高单果重及果实品质。 减少用药次数保护地草莓的病虫害防治应采用以农业防治为主的综合措施,尽量不用药或少用药。 若病虫害较严重,则应注意在花前或花后用药。 采取人工授粉在中午 1112 时花药开裂高峰期,采取人工微风(用扇子等)进行人工辅助授粉,也有良好效果。 专利查询。如何预防草莓畸形果的发生
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