日月哥 发表于 2010-6-27 09:53:52

波尔多液根除稻瘟病

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 236.25pt; mso-char-indent-count: 22.5;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">波尔多液根除稻瘟病</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 236.25pt; mso-char-indent-count: 22.5;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">让农民不在望瘟兴叹</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 31.5pt; mso-char-indent-count: 3.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">尔多液防治稻瘟病交果研究</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 31.5pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 31.5pt;"><span lang="EN-US" style="mso-bidi-font-family: 宋体;"><span style="mso-list: Ignore;"><font face="Times New Roman">一.</font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病对水稻生产的影响</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">   稻瘟病对水稻生产的影响最大,一旦发生稻瘟病。如防治不当,将会导致大幅度的减产,甚至是大面积的绝产。水稻的质量也会受到严重的影响。所以,稻瘟列为水稻病害的防治之首。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 31.5pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 31.5pt;"><span lang="EN-US" style="mso-bidi-font-family: 宋体;"><span style="mso-list: Ignore;"><font face="Times New Roman">二.</font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病的发病物点</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 31.5pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 31.5pt;"><span lang="EN-US" style="mso-bidi-font-family: 宋体;"><span style="mso-list: Ignore;"><font face="Times New Roman">三.</font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病的发生有三大相关因子,即必须具有侵染水稻的病原真菌:感病品种:感病条件和感病期。在有大量病菌侵染源的情况下,在遇到感病品种和适宜发病的条件,这三个发病相关因子都具备的条件下,稻瘟病就会大发生。在稻瘟病菌的菌源基数多(即上一年大面积发生稻瘟病)的前提下,如果下年的气候条件有利于稻瘟病的发生(即天气连阴多雨,低温寡照相对湿度</span><span lang="EN-US"><font face="Times New Roman">65</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">-</span><span lang="EN-US"><font face="Times New Roman">70</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">度以上,温度低于</span><span lang="EN-US"><font face="Times New Roman">20</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">度以下)此时在有感病品种,且又处于感病期即拔节期,孕穗期,抽穗扬花期时。就会大面积发生稻瘟病。在干燥少雨空气湿度小的年份,即使上一年有大量的侵染源,因为湿度不利于孢子体的萌发,即使有感病品种,也不会发生稻瘟病,最起码不会大面积的发生。但在空气流通不畅相对湿度大的局部地方也会连年发生。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">在品种抗病性方面,生产载培的多属于感病品种。由于优质品种的基因库窄,一个被农民公认的极优良品种需要几年时间才能在诸多育种单位当诞生一个,这个优质品种不种植到感病后以</span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">致最后的暴发</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病时是不会放弃。生产上一个优良品种一直要种植</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">――</span><span lang="EN-US"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年,</span><span lang="EN-US"><font face="Times New Roman">7</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">――</span><span lang="EN-US"><font face="Times New Roman">8</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年甚至是</span><span lang="EN-US"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年以上。一个品种越优良,</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">栽培面积越大,栽培范围越广,发生稻瘟病的面积越大,最后造成减产的损失就越大。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">三,稻瘟病防治现状</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">从</span><span lang="EN-US"><font face="Times New Roman">1985</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年以来,本人就一直在乡镇农业技术推关广站工作,并从</span><span lang="EN-US"><font face="Times New Roman">1985</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年至</span><span lang="EN-US"><font face="Times New Roman">2009</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年二十余年的时间里,一直在基层农技站及农业宗合服务站农</span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">药销售门市部负责技术咨询工作,<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">并从<span lang="EN-US">1985</span>至<span lang="EN-US">2009</span>年二十余年的时间里,一直在基农技站及农业综合服务站农药销售门市部负责门市部负责技术咨询工作,亲历<span lang="EN-US">7</span>――<span lang="EN-US">8</span>个</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病大发生年。(分别为</span><span lang="EN-US"><font face="Times New Roman">1985</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年,</span><span lang="EN-US"><font face="Times New Roman">1987</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年。</span><span lang="EN-US"><font face="Times New Roman">1996</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年。</span><span lang="EN-US"><font face="Times New Roman">2001</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。</span><span lang="EN-US"><font face="Times New Roman">2003</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,</span><span lang="EN-US"><font face="Times New Roman">2005</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,</span><span lang="EN-US"><font face="Times New Roman">2007</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,</span><span lang="EN-US"><font face="Times New Roman">2009</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年)由于自从</span><span lang="EN-US"><font face="Times New Roman">85</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年以来稻瘟病对三环唑(当时一种理想的杀菌剂)产生抗性后,在植保方面长达二十多年年的时间里,却一直没有一个理想的预防稻瘟病的</span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">药剂,以致水</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻生产无不因为稻瘟病的发病区域涉及到全市二十八个乡镇水稻栽培区域。全市至少有</span><span lang="EN-US"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">――</span><span lang="EN-US"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">个主栽品种严重发生稻病。其中包括</span><span lang="EN-US"><font face="Times New Roman">419</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,</span><span lang="EN-US"><font face="Times New Roman">417</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,</span><span lang="EN-US"><font face="Times New Roman">98</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">――</span><span lang="EN-US"><font face="Times New Roman">122</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,长香</span><span lang="EN-US"><font face="Times New Roman">18</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">等,全市</span><span lang="EN-US"><font face="Times New Roman">160</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">万亩水稻栽培面积。其中稻瘟病的发病面积为</span><span lang="EN-US"><font face="Times New Roman">80</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">万亩,占水稻栽培面积的百分之</span><span lang="EN-US"><font face="Times New Roman">50</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">,造成</span><span lang="EN-US"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">万亩水田绝产,经济损失</span><span lang="EN-US"><font face="Times New Roman">3000</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">万元,其中长香</span><span lang="EN-US"><font face="Times New Roman">18</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">水稻品种发病面积</span><span lang="EN-US"><font face="Times New Roman">30</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">万亩,造成经济损失</span><span lang="EN-US"><font face="Times New Roman">1300</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">万元。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">四,防病药剂广对比,波尔多液显奇效。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">在上述发生稻瘟病的年份里,几乎用尽了所有防治稻瘟病的杀菌剂,在所有药剂的广泛对比中竟没有一种理想的杀菌剂,于</span><span lang="EN-US"><font face="Times New Roman">2001</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年稻瘟病大发生的年份里,市植保站让我向有关农户推荐使用了波尔多液(由吉林省公主岭国家农业科技园区科威植化有限公司生产的硫酸铜与生石灰粉综合包装杀菌剂)于叶瘟的初发期的</span><span lang="EN-US"><font face="Times New Roman">7</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">月</span><span lang="EN-US"><font face="Times New Roman">20</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">日喷药,结果只一次就根除稻瘟病。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">冲河村有一名叫战清国的农民朋友就喷了这种药,到秋他的水稻没有发生穗</span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">劲</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">瘟,实现了水稻亩产</span><span lang="EN-US"><font face="Times New Roman">1500</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">斤</span><span lang="EN-US"><font face="Times New Roman">/1000</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">平方米的好收成。而</span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">临近的水田发生</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病的喷的是富士一号,结果还是继续发病,严重发生穗劲瘟,秋季都</span><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">造成了大幅度减产。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;">为了进一步难证波尔多液对预防</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">稻瘟病的效果,在</span><span lang="EN-US"><font face="Times New Roman">2007</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年</span><span lang="EN-US"><font face="Times New Roman">2008</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年</span><span lang="EN-US"><font face="Times New Roman">2009</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">年在市植保站的建义下向有关农户推荐使用了百分之</span><span lang="EN-US"><font face="Times New Roman">30</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">碱式硫酸铜悬浮剂(河北保定农药厂生产)结果均取得了百分之</span><span lang="EN-US"><font face="Times New Roman">95</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">――百分之</span><span lang="EN-US"><font face="Times New Roman">98</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">的防治效果,也是在叶瘟初发期即</span><span lang="EN-US"><font face="Times New Roman">7</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">月中旬左右喷一次药,就基本根除了稻瘟病。水稻抽穗后一直未发生穗颈瘟。经过多年,多点次,多品种应用波尔多液防治稻瘟病的对比,证明波尔多液防治稻瘟病的效果奇特,是所有药剂都不堪相比的。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">五,波尔多液神奇刹菌效果探秘</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">为什么波尔多液在防治稻瘟病方面交果如些神奇呢?就在于它是强氧化剂,被水稻吸收以后,在水稻的物质代谢即生理化反应中,一切原有化合物都要被彻底分解再从新组合,在这种彻底氧化还原反应的过程中,组成稻瘟病菌体的物质也必然随之一步一步的被彻底分解掉,最后使病菌体的物质也必然随之一步一步的彻底分解掉,最后使病菌的组织结构彻底破坏,其生命务随之彻底丧失。一般药物并非是氧化剂,无法分解破坏组成病菌的菌丝体的组织,所以根本无法杀死抗性极强的稻瘟病的稻菌。所以生产上用其他药剂防治,但那一年有叶瘟,那一年就有穗颈瘟时,药没少打,钱没少花,工时没少费,农民经过几个月的辛勤耕耘,到了水稻抽穗后虽以丰收在际,但就是担心稻瘟病的发生,有了波尔多液这样优秀杀菌剂,当发生稻瘟病时就不用再愁了。波尔多液虽是老药,但在防治稻瘟病方面还没有形成植保工作者的共识,更不用说形成农民的共识了。在防绐稻瘟病方面,有必要重新认识波尔多液的真正价值一。波尔多液在防治稻瘟病方面可以抹去值保工作人员稻瘟怎样防绐时,你就可以信誓旦旦的告诉他:就用波尔多液。波尔多液可以为水稻生产保驾护航,农民在不会忘瘟兴叹了!</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">波尔多液大有推关广应用价值。实践证明,波尔多液在防治稻瘟病方面是目前世界范围内不可取代的唯一的一种理想的杀菌剂,如果在全国普遍推广使用波尔多液防治稻瘟病,则在稻瘟病大发生年份中,可根除稻瘟病,为全国水稻的生产挽回几十亿的经济损失。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">六</span><font face="Times New Roman">
                </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">波尔多液使用方法</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">喷药时期为叶瘟初发期,即在水稻分叶末期,拔节初期,时间在工作中月中下旬。亩用量为,每大亩用百分之三十碱式硫酸铜悬浮剂一瓶(每瓶一斤)加水</span><span lang="EN-US"><font face="Times New Roman">45</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">斤。于早晨露水消失后,下午露水出现前,均匀喷雾</span><span lang="EN-US"><font face="Times New Roman">.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">喷药后二至三天水稻茎叶将会发生紫褐色的颜色变化,是水稻正常的生理现象,不必担心经过三到四天时间即恢复正常,波尔多液一般在水稻抽穗前只喷一次就可以彻底根除稻瘟病。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">项目研穷组成员</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">五常市农业技术推广中心原植保站长高级农艺师:曹喜玲</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">电话:</span><span lang="EN-US"><font face="Times New Roman">13796696816</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">五常市农业技术推广中心原植保站长高级农艺师:李颜君</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">五常市冲河镇农技站农艺师:佟绍知</span><span lang="EN-US"><font face="Times New Roman"> 045155830485</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 10.5pt; TEXT-INDENT: 5cm; mso-char-indent-count: 13.5; mso-para-margin-left: 1.0gd;"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体;"><p>&nbsp;</p></span></p>
页: [1]
查看完整版本: 波尔多液根除稻瘟病