dangqianriguangwenshifanqie,zhengchuyuxinlaochajiaotiqi,jiqiudongchafanqiehouqihedongchunchafanqiexiaomiaoqideguodujieduan。youyuqiudongchafanqiejiejinlayang,bingchonghaifashengjiaoweiyanzhong,ercainonghushifangzhi,daozhibingchonghaikuaisukuosanmanyan,yangjihouchaxiaomiao,chuxianlezaitongyipengnei,shangchalaomiaobingchonghaifashengjiaozhong,xiachaxiaomiaotongzhongbingchonghaifashengyejiaozhongdexianxiang。據近期調查,番茄秋冬茬老苗上,灰黴病病棚率100%、病株率40%、病葉率6.7%,灰葉斑病病棚率100%、病株率100%、病葉率88.8%,白粉虱蟲棚率100%、蟲株率100%、蟲葉率50%;而冬春茬小苗上,灰黴病病棚率100%、病株率22.2%、病葉率7.2%,灰葉斑病病棚率100%、病株率54.3%、病葉率23%,白粉虱蟲棚率100%、蟲株率52.5%、蟲葉率34.9%。上shang茬cha病bing蟲chong害hai發fa生sheng實shi況kuang,是shi下xia茬cha病bing蟲chong害hai發fa生sheng的de前qian因yin和he基ji數shu。因yin此ci,在zai番fan茄qie病bing蟲chong害hai防fang治zhi上shang,要yao上shang下xia茬cha兼jian顧gu,不bu要yao因yin為wei上shang茬cha番fan茄qie快kuai拉la秧yang了le,就jiu忽hu視shi病bing蟲chong害hai防fang治zhi,給gei下xia茬cha帶dai來lai嚴yan重zhong危wei害hai。防fang治zhi上shang可ke采cai用yong以yi下xia措cuo施shi:
1.陰雪天選用10%百菌清煙劑每畝棚室300~400克熏棚防治病害。
2.晴天選用50%利黴康(多·福·疫)400倍液噴霧防治病害。
3.選用10%棚蚜愁(異丙威)熏治白粉虱和蚜蟲,每畝棚室用300~400克。
4.拉秧時要把殘枝落葉連根徹底清除,帶出棚外集中銷毀。