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番茄的病毒病是严重影响番茄生产的一个问题。用汁液接种心叶烟的方法对部分地区番茄的病毒病害作了初步鉴定。本文仅叙述鉴定中的三个问题,供从事这方面工作的同志参考。 1959年,河北昌黎的番茄红果上有褪色圆斑。把病斑下硬块的汁接种在无虫温室盆栽番茄(彼亚逊品种,下同)幼株上,出现线状叶;同时接种的心叶烟出现深浅绿花叶。这两种寄主上的病状近似黄瓜花叶病毒(CMV)。 1960年,将北京农大温室栽培番茄的病叶和病果,汁液接种在番茄植株上,出现深浅绿花叶和不规则褐色坏死斑;同时接种的心叶烟出现烟花
Tomato virus disease is a serious problem affecting tomato production. The method of inoculating the leaf-leaf tobacco with juice made preliminary identification of virus diseases of tomato in some areas. This article describes only three issues identified for reference in this area comrades. 1959, Changli, Hebei tomato red faded discoloration. The hard lumps of lesion were inoculated on young plants of potted tomato (Peixonian variety), with linear leaves; at the same time, the dark green leaves appeared in the leaflet of inoculated leaves. The symptoms on both hosts are similar to cucumber mosaic virus (CMV). In 1960, Beijing Nongda greenhouse cultivation of tomato disease leaves and fruit, juice inoculated on tomato plants, the emergence of dark green and brown irregular necrotic spots; at the same time the heart leaf tobacco inoculated fireworks