论文部分内容阅读
三七出苗前用多菌灵1份加粉锈灵1份,对水500～600倍,或用5波美度石流合剂进行墒面消毒1次,每次相隔10～15天,可预防白粉病等多种病害。出苗后要经常检查,发现病株后应作好标记,清除病残株后重点防治。可酌情选用以下药剂和配方均匀喷雾,相隔7～10天喷一次,连续防治2～3次。(1)防治子秧立枯病、猝倒病用30%土菌消(恶霉灵)1000倍液,或用50%多菌灵200～400倍液,用1:1:150波尔多液喷淋或浇灌,可封锁发病中心,控制病情蔓延。喷雾可选用:70%甲基托布津加70%代森锰锌600～800倍
Pre-emergence of Sanqi with 1 part of carbendazim powder rustling 1, 500 to 600 times the water, or 5 Baume degree stone flow mixture agent for moisture surface disinfection, each separated by 10 to 15 days, can be prevented Powdery mildew and other diseases. After the emergence of regular checks and found that after the strain should be marked, remove the disease after the focus of prevention and treatment. Discretionary use of the following agents and formulations evenly spray, separated by spray 7 to 10 days, continuous control 2 to 3 times. (1) Prevention of seedling blight, damping-off disease with 30% soil bacteria eliminate (hymexazol) 1000 times, or with 50% carbendazim 200 to 400 times with 1: 1: 150 Bordeaux liquid spray Lin or irrigation, can block the center of incidence, control the spread of the disease. Spray can be used: 70% methyl thiophanate plus 70% Mancozeb 600 to 800 times