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在广州地区,由芜菁花叶病毒(TuMV)、黄瓜花叶病毒(CMV)和烟草花叶病毒(TMV)所致的菜心(菜苔)花叶病,常于10—12月秋旱季节盛发,导致菜心减产,质量下降,影响城市蔬菜供应。为摸索解决这个问题,做了本试验。(一)材料和方法选天河区东圃镇农科站菜心田为试验地。分三畦,每畦包沟为0.1亩,畦宽2米(畦面1.2米,沟0.8米),长33.33米。外设保护行。品种为20号菜心,采用直播栽培。选用塑胶丝编织的20号目纱网(双幅合缝
In Guangzhou, cabbage (moss) mosaic disease caused by TuMV, cucumber mosaic virus (CMV) and tobacco mosaic virus (TMV) is often observed in the autumn of October-December Sheng season, leading to cabbage production, quality decline, affecting the city’s vegetable supply. To explore to solve this problem, did this experiment. (A) Materials and methods Tianhe District, Dongpu Town Agricultural Science Center Station Xinxin as a test site. Divided into three 畦, each trenches for the 0.1 mu, 畦 wide 2 meters (畦 surface 1.2 meters, 0.8 meters ditch), 33.33 meters long. Peripherals protection line. Variety No. 20 cabbage heart, using direct seeding cultivation. Selection of plastic mesh woven mesh No. 20 (double-slit