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1.什么是苹果无病毒苗木? 答:苹果无病毒苗木是指无病毒接穗和砧木嫁接繁殖的不带苹果病毒病的苗木。 2.目前栽植的苹果树上都感染病毒病吗? 答:近30年来,苹果病毒病日趋严重,给苹果生产带来重大损失。据报导,目前全世界已经发现的苹果病毒有30多种,几乎所有栽培苹果的国家和地区都有苹果病毒病的发生和危害。我国栽培的苹果树也普遍患有病毒病。据中国果树所对山东、辽宁、陕西等果区监测,苹果树带毒率达85％～100％,某些品系(品种)如金冠、红星已达饱和状态。
1. What is Apple virus-free seedlings? A: Apple virus-free seedlings refers to virus-free scion and rootstock grafting without apple virus disease seedlings. 2. Currently infected with apple trees are infected with virus disease? A: The past 30 years, the increasingly serious apple virus disease, to Apple’s production has brought significant losses. According to the report, there are more than 30 apple viruses found in the world at present, and almost all the countries and regions where apple cultivation is carried have the occurrence and harm of apple virus diseases. Apple trees that are cultivated in our country also commonly suffer from viral diseases. According to Chinese fruit trees in Shandong, Liaoning, Shaanxi and other fruit areas monitoring, apple tree poisoning rate of 85% to 100%, some strains (varieties) such as the Golden Delicious, Red Star has reached saturation.