shizhutongguochaqianfanzhidedaodexiaomiao,keyibaochiqimubenzhizhupinzhongdeyouliangtexing,zaiyibanqingkuangxiabuhuifashengbianyi;ciwaiqianchafanzhideshizhumiaojuyoushangpinxingzhuangyizhi,ketigaomiaodeshangpinjiazhi,zaiduanshijianneikeyuchudaliangdeqianchamiao,qishengzhangsudubibozhongmiaokuai,daokaihuashiqizao,zhuxinghao。yincizaishizhudefanzhizhongyingyongshifenguangfan。
xiamianweinijieshaoshizhuqianchafanzhidefangfajishu:
1、插穗的切口刚好在节上,且平整,只需剥掉基部叶片即可,若切口不在节上或有裂口的,需剥掉1个节,去掉1对叶,蘸生根粉后即可扦插。扦插时应注意叶的方向一致,增强光合作用,扦插基质的厚度以能稳定插穗为度,宜浅不宜深。在插穗前应用百菌清给土消毒,应注意洗手,注意塑料箱、薄膜等工具及环境的洁净,定期清洗和打扫生产区卫生。
2、qianchayumiaodechenggongyufou,qujueyuchahoushifougenjushizhubutongshiqiduishuifendebutongyaoqiujinxinghelidepenwu。tebieshizaiqianchachuqi,chasuiganglikaimuben,qitineishuifenrengzaizhengfa,chasuijibudeqiekouxishuinenglijiruo,weibaozhengchasuibushishui,bixupinfandijianxiepenwu,shiyemianjingchangbaochiyicengshuimo;(yintianzaizhongwujiaoshui,qingtianzaizaoshanghuotaiyangluoshanshijiaoshui)danzaichasuixingchengyushangzuzhizhihou,keshidangjianshaopenwu。
3、石竹扦插在高温高湿环境下,容易感染病菌。因此扦插苗要加强病害防治,定期喷药,通常每周1次,可喷多菌灵、百菌清,喷药需在傍晚停止喷雾、植株叶片水分刚蒸发完时进行。扦插期间可适当追施0.2%的磷酸二氢钾和0.2%的尿素,以促进插穗生根和生长。
4、插穗长出新根,经1周控水炼苗后,需密切注意选择最佳时期,原则是大多扦插苗已生根,根系群新鲜、强健、色白,根长达1至2厘米长为好。取苗时需逐一认真观察成苗植株的根系情况,淘汰根系发育稀少或半边有根半边有根的植株,以确保种苗的质量。