论文部分内容阅读
近年来,随着南部县桑园综合开发的不断深入,种桑不单只为采叶养蚕,果、叶二用的果桑种植面积也在不断扩大,而果桑比较容易发生桑菌核病(即白果病),部份种植户因管理防治不当,损失严重。我县年年丰收的桑果,2011年却因“白果病”爆发,产量减少8成以上。楠木镇2010年4月20日的时候,桑果早已上市,而2011年因冬春气温较低,桑果成熟推迟了半个月左右,5月8日以后才能采摘。低温还导致菌核病在果园内肆无忌惮地蔓延,给即将成熟的
In recent years, with the continuous development of comprehensive development of mulberry garden in Southern County, mulberry cultivation is not only for sericulture but also fruit mulberry and leaf mulberry cultivation. However, the fruit mulberry is more susceptible to sclerotinia (Ie ginkgo disease), some farmers due to management of improper prevention and control, the loss is serious. Mian fruit harvest in our county every year in 2011, but because of the “ginkgo disease” outbreak, reduce production more than 80%. Nanmu April 20, 2010 when the mulberry fruit already listed, and in 2011 because of the lower winter and spring temperatures, mulberry ripe delayed about half a month, May 8 after picking. Low temperatures also cause Sclerotinia in the orchard unscrupulous spread to the upcoming maturity