苹果和梨园放蜂技术内容摘要:
2、二、壁蜂授粉放蜂时间一般于中心花开放前 5 天释放。 将蜂茧放在一个宽扁的小纸盒内,盒四周戳有多个直径 07孔洞,供蜂爬出。 盒内平摊一层蜂茧,然后将纸盒放在蜂巢内。 也可将蜂茧放在 5、两头开口的苇管或纸管内,每管放1 个蜂茧,与蜂管一起放在蜂巢内。 蜂茧放在田间后,壁蜂陆续咬破茧壳出巢,8 天左右出完。 如果要缩短壁蜂出茧时间,可提前将蜂茧由低温贮存条件下取出,在室温下存放 2 天3 天后放到田间。 若壁蜂已经破茧,要在傍晚释放,以减少壁蜂的逸失。 一般放蜂量每亩放 60 头150 头蜂茧。 初果期的幼龄果园和历年座果率较低的果园及结果小年,放 100 头150 头蜂茧。 历年座果率较高的果园或结果大年果园,每亩放蜂 60 头120 头蜂茧。 专利查询。苹果和梨园放蜂技术
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