huamushoufenlvdegaodiyuqijieshilvmiqiexiangguan。zhiyoutigaoshoufen,cainenghuodejiaoduodeguoshihezhongzi,cainengshibozhongfanzhideyishixian。neimeruhecainengtigaohuamudeshoufenlvni?
zaijieshaoruhetigaohuamushoufenlvzhiqian,xianxiangnijieshaoyingxianghuamushoufenlvdeyinsuyounaxie:
1.shengliyinsu:youdehuamuyinzijiaobuqinhe,daozhizijiaobuyun。youdeshuzhongcunzaicixiongyizhuxianxiang,haiyoudeshumuyoucixiongyishudeqingkuangcunzai,zaochengbunengzhengchangshoufen。youdeshuzhongweisanbeitihuowubeiti,benshenjiubunengxingchengdaliangdehuafen,daozhibaiyu。
2.yingyangyinsu:ganhan、turangjibodenghuanjingxiashengzhangdehuaheshuailaoshuhuoshuairuozhishangdehua,yinqihuafenliquefadanbaizhi、tanshuihuahewu、shengzhangsuhekuangwuzhidengyingyangyuansu,zaochenghuafenmengfalvcha、huafenguanshenzhangman、peinangfayubuliang,zuizhongdaozhibaiyu。
3.huanjingyinsu:kaihuashoufenqiyuwenduguodi、dafeng、ganhan、yinyulianmianhedaqiwurandengqingkuang,bujinxianzhikunchongdechuanfenhuodong,tongshiyinqihuaduofayubuliang,youdeshenzhizaochenghuafenhepeinangzhongtusiwang。
jieheyishangsandianyinsu,womenzongjiechutigaohuamushoufenlvdejishufangfa:
fangfayi:peizhishoufenshu。duizijiaobuyundehuamu,zaizaipeishiyaopeizhishoufenshu。shoufenshubixujuyouyuzhuzaihuamuqinheliqiang、huaqiyizhi、huafenliangdadetedian。
方法二:进行人工授粉。对雌雄异株或花期不一致的花木,可采用人工授粉的方法解决。首先要将先熟的花粉收集起来,待稍干燥后包好,放在装有吸湿剂的干燥器中密封,再放在0℃至5℃的低温环境下保存,到后熟的花粉成熟时才进行人工授粉。有的花卉由于花的结构发生较大的差异,自然授粉十分困难,必须人工授粉才能结果。如菊花因其花冠变长不能结果,只有将花冠剪短后再进行人工授粉才行。开花时遇严寒没有昆虫授粉的,也只能采取人工授粉的办法解决。
fangfasan:fangfeng:duidamianjidehuamu,tongguofangfengnengdadajiakuaichuanfensudu,youxiaotigaoshoufenshoujinglv。
方法四:施肥:在萌芽前和花期喷一定浓度的硼砂液肥,对花粉萌发和授粉有促进作用。对衰弱树,在花期喷0.3%至0.5%的尿素液肥或磷酸二氢钾液肥,可提高授粉受精率。
方法五:改善环境条件:可以提高授粉率。是低温造成难授粉的,可以采取架大棚、移入温室养护等办法增温;是干旱造成授粉率低的,应采取浇水、喷雾、灌溉等措施处理;是大风造成授粉率低的、则可通过种挡风树、围园、移到无风处管护等途径解决。