CN105394107A - 一种用于防治黄精叶斑病的无公害方法 - Google Patents
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Abstract
本发明公开了一种用于防治黄精叶斑病的无公害方法,具体步骤有:喷洒无害杀菌剂前,先剪去发病较重的3-5片发病叶,(1)然后喷洒蒜汗液;(2)喷洒姜泥浸泡液;(3)喷洒米醋稀释液;(4)用20%农用链霉素1400倍液全株叶面喷雾;本发明方法实用性强,易操作,成本低,大大减少了农药的用药次数及用量,减少环境污染和药物残留,并且根据喷洒的汗液和药剂的灭菌性理分析,灭杀病菌效果显著,达到防治黄精黑斑的目的。
Description
技术领域
本发明涉及了种植技术领域中的病虫害防治,具体涉及了一种用于防治黄精叶斑病的无公害方法。
背景技术
黄精,又名老虎姜、鸡头参。为百合科植物滇黄精、黄精或多花黄精的干燥根茎。黄精以根茎入药。具有补气养阴,健脾,润肺,益肾功能。用于治疗脾胃虚弱,体倦乏力,口干食少,肺虚燥咳,精血不足,内热消渴等症。对于糖尿病很有疗效。主产于河北、内蒙古、陕西省等省区。多花黄精主产于贵州、湖南、云南、安徽、浙江等省。滇黄精主产于贵州、广西、云南等省区。
叶斑病是重要病害之一,分布较广,各地都有发生,一般在春、秋两季发生较重。发病率10%~60%,严重地块或棚室达100%,可减产10%~30%,特别严重时可减产60%以上。属假单胞杆菌,丁香假单胞菌黄瓜致病变种细菌。病菌菌体短杆状,可链生,大小为0.7~0.9微米×1.4~2.0微米,极生1~5根鞭毛,有荚膜,无芽孢。革兰氏染色阴性,好气性。在肉汁胨琼脂培养基上菌落白色,近圆形,扁平,中央稍凸起,不透明,有同心环纹,边缘一圈薄而透明,菌落边缘有放射状细毛状物。
发明内容
一种用于防治黄精叶斑病的无公害方法,具体步骤如下:
(1).在喷洒前,剪去发病较重的3-5片发病叶,按重量比计,取大蒜头1份,捣烂成蒜泥,然后加水10份,搅拌均匀并过滤,取滤液,全株喷洒黄精植株叶面,间隔3天一次,连喷3次,将过滤的蒜渣置于黄精植株的根际,可有效抵制假单胞杆菌的滋生;
(2).从第10天开始,再从黄精植株上剪去发病较重的3-5片发病叶,按重量比计,取1份生姜捣成姜泥,加入15份的水搅拌均匀后,静置12h过滤,取滤液全株喷洒黄精植株叶面,连喷2次,间隔4天,同时将所过滤的姜渣置于根部的土壤上,可预防假单胞杆菌病变;
(3).从第17天开始,再从黄精植株上剪去发病较重的3-5片发病叶,用150倍米醋水溶液喷洒黄精植株叶面,间隔3天喷一次,连喷3次,促使假单胞杆菌不能吸收营养,起到初步灭杀的效果;
(4).从第26天开始,继续剪去黄精植株上剪去发病较重的3-5片发病叶,然后用20%农用链霉素1400倍液全株叶面喷雾一次,具有内吸作用,能渗透到植株叶片内,使之灭杀假单项胞杆菌;
(5).到第30天用80%代森锰锌500倍液连喷3次,每周喷雾一次,起到杀灭顽固假单项胞杆菌。
本发明的有益效果:方法实用性强,易操作,成本低,大大减少了农药的用药次数及用量,减少环境污染和药物残留,并且根据喷洒的汗液和药剂的灭菌性理分析,灭杀病菌效果显著,达到防治黄精黑斑的目的,还采用物理防治剪去黄精植株上发病较的部分叶片,来缓解病害,待新生叶片长出后,再剪去发病重的叶片,来促进植株的光合作用,促保药农们免受减产,而造成损失。
具体实施方式
一种用于防治黄精叶斑病的无公害方法,具体步骤如下:
(1).在喷洒前,剪去发病较重的3-5片发病叶,可保植株有足够多的叶片进行光合作用,按重量比计,取大蒜头1份,捣烂成蒜泥,然后加水10份,搅拌均匀并过滤,取滤液,全株喷洒黄精植株叶面,间隔3天一次,连喷3次,将过滤的蒜渣置于黄精植株的根际,可有效抵制假单胞杆菌的滋生;
(2).从第10天开始,再从黄精植株上剪去发病较重的3-5片发病叶,可保植株有足够多的叶片进行光合作用,按重量比计,取1份生姜捣成姜泥,加入15份的水搅拌均匀后,静置12h过滤,取滤液全株喷洒黄精植株叶面,连喷2次,间隔4天,同时将所过滤的姜渣置于根部的土壤上,可预防假单胞杆菌病变;
(3).从第17天开始,再从黄精植株上剪去发病较重的3-5片发病叶,可保植株有足够多的叶片进行光合作用,用150倍米醋水溶液喷洒黄精植株叶面,间隔3天喷一次,连喷3次,促使假单胞杆菌不能吸收营养,起到初步灭杀的效果;
(4).从第26天开始,继续剪去黄精植株上剪去发病较重的3-5片发病叶,可保植株有足够多的叶片进行光合作用,然后用20%农用链霉素1400倍液全株叶面喷雾一次,具有内吸作用,能渗透到植株叶片内,使之灭杀假单项胞杆菌;
(5).到第30天用80%代森锰锌500倍液连喷3次,每周喷雾一次,起到杀灭顽固假单项胞杆菌。
Claims (1)
1.一种用于防治黄精叶斑病的无公害方法,其特征在于,具体步骤如下:
.在喷洒前,剪去发病较重的3-5片发病叶,按重量比计,取大蒜头1份,捣烂成蒜泥,然后加水10份,搅拌均匀并过滤,取滤液,全株喷洒黄精植株叶面,间隔3天一次,连喷3次,将过滤的蒜渣置于黄精植株的根际;
.从第10天开始,再从黄精植株上剪去发病较重的3-5片发病叶,按重量比计,取1份生姜捣成姜泥,加入15份的水搅拌均匀后,静置12h过滤,取滤液全株喷洒黄精植株叶面,连喷2次,间隔4天,同时将所过滤的姜渣置于根部的土壤上;
.从第17天开始,再从黄精植株上剪去发病较重的3-5片发病叶,用150倍米醋水溶液喷洒黄精植株叶面,间隔3天喷一次,连喷3次;
.从第26天开始,继续剪去黄精植株上剪去发病较重的3-5片发病叶,然后用20%农用链霉素1400倍液全株叶面喷雾一次;
.到第30天用80%代森锰锌500倍液连喷3次,每周喷雾一次。
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Cited By (2)
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CN107646477A (zh) * | 2017-10-24 | 2018-02-02 | 孝感市鲁建农业开发有限公司 | 一种富硒桃树种植方法 |
CN108849996A (zh) * | 2018-07-25 | 2018-11-23 | 松桃鑫山农业科技开发有限公司 | 一种预防太子参叶斑病的方法 |
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Cited By (2)
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CN107646477A (zh) * | 2017-10-24 | 2018-02-02 | 孝感市鲁建农业开发有限公司 | 一种富硒桃树种植方法 |
CN108849996A (zh) * | 2018-07-25 | 2018-11-23 | 松桃鑫山农业科技开发有限公司 | 一种预防太子参叶斑病的方法 |
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