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番茄“花脸”不仅外观不美,而且影响品质、产量和效益。形成番茄“花脸”的原因及预防方法如下。1.通过品种选择预防番茄“花脸”首先与品种有关。各种品种之间抗性不同,在栽培时尽量选择“花脸”率低的品种。2.通过合理施肥预防在氮高、磷钾不足、硼缺乏的情况下极易发生。其一,如果营养生长过盛,叶绿素含量
Tomato “face” Not only the appearance is not beautiful, but also affect the quality, output and benefits. The formation of tomato “painted face ” causes and prevention methods are as follows. 1. Selection of varieties through the prevention of tomato “flower face ” first of all with the variety. Resistance between different varieties of different, try to choose in the cultivation of “Hua Lian ” rate of low varieties. 2. Through reasonable fertilization prevention Nitrogen in the high, inadequate phosphorus and potassium, boron deficiency prone situation. First, if vegetative growth is excessive, chlorophyll content