常见番茄病毒病的综合防治

• 作 者: 何人
• 出 处: 农村科技开发
• 发表日期: 1998年10期
• 关键词: 番茄病毒病 花叶型 扭曲畸形 叶片边缘 田间症状 蕨叶 烟草花叶病毒 新叶 黄瓜花叶病毒 叶背

番茄病毒病田间症状表现很复杂,归纳起来有三大类型:1.花叶型。在田间发生最为普通,常见症状有2种:一是叶片上呈现黄绿相间或绿色深浅不匀的斑驳,植株正常,叶片不变小,畸形较轻,对产量影响较小;二是叶片有明显花叶、疱斑,新叶变小,叶细长狭窄或扭曲畸形,植株较矮,果实少而小,果面着色不均呈花脸状,影响产量较大。2.蕨叶型。全体黄绿色,叶背明显紫脉,叶片纤细线条状,叶片边缘向上卷起,有的下部叶片卷成筒状,植

Tomato virus disease field performance is very complex, summed up in three major types: 1. Mosaic type. Occur in the field is the most common, there are two common symptoms: First, the leaves appear yellowish green or greenish shades of uneven mottled plants normal, smaller leaves, less deformity, less impact on the yield; the second is the leaves have Obvious mosaic, blister spot, smaller new leaves, narrow slender leaves or distortion of the deformity, shorter plants, fruits and small, non-uniform color was fruit face, affecting the yield larger. Fern leaf type All yellow-green, clear purple veins leaves, leaf thin slender, edged up the edge of leaves, and some lower leaves rolled into a tube, planting