论文部分内容阅读
一、侵染番茄的病毒种群及其变化 1.侵染番茄的病毒种群及其分布我国侵染番茄的病毒种类在70年代末开始得到了较大规模的研究,根据来自全国9个省(市)番茄主要产区不同年份、不同品种、不同栽培季节和方式的3914份标样的研究,结果认为,侵染我国番茄主要病毒仍为烟草花叶病毒(TMV)和黄瓜花叶病毒(CMV),分别占总样本的63.2%和33.9%,并在
First, the virus-infected tomato population and its changes 1 infected tomato virus population and its distribution China’s tomato-infected virus types in the late 1970s has been a large-scale research, according to from 9 provinces (cities ) Were studied in 3914 samples from different years, varieties, cultivation seasons and methods in the main producing areas of tomato. The results showed that the major viruses that infect tomato in our country are still TMV and CMV, , Accounting for 63.2% and 33.9% of the total sample respectively