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一、发生状况及其特征本病已经证实在日本北海道和关东一部地区发生,可能成为福岗县和熊本县番茄产地栽培上的问题。在福岗县吉井町有的塑料大棚,发病率已达到2—3%,这一点开始引起栽培者的注意。病株呈黄萎丛生症状,重病株叶片褪绿近白色,一般症状是在接近新梢先端的叶片表面稍弯曲,不再长大,而叶脉扭曲变成硬化叶。有部分叶黄化萎蔫,人有发现多数叶
First, the occurrence and characteristics of the disease has been confirmed in Japan Hokkaido and Kanto region may have become Fugang County and Kumamoto Prefecture tomato cultivation problems. In the Fuji County Yoshimachi some plastic shed, the incidence has reached 2-3%, which began to attract the attention of growers. The diseased plants showed symptoms of verticillium wilt. The leaves of severely diseased plants were chlorotic and nearly white. The general symptoms were that the surface of the leaves near the tips of the shoots was slightly curved, no longer grew up, and the twisted veins became hardened leaves. Part of the leaf wilting wilt, people have found the majority of leaves