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一、常见蔬莱缺硼症 1.白菜:白菜心腐病在钙、硼缺乏时皆可发生。开始结球时,外叶的第5—7枚内部的幼叶叶柄的内侧生出纵或横的裂伤,伤口变褐色。较常见者,叶柄中肋变黑褐色,叶严重萎缩,变粗糙,紧硬,老朽。结球不大。严重时无一不结球。从中间纵切观察,中心部褐色腐朽,有时成空洞状。 2.萝卜:轻症时,地上部的
First, the common vegetables boron deficiency disease 1. Cabbage: Cabbage heart rot in calcium, boron deficiency can occur. At the beginning of cocooning, lateral or lateral lacerations were developed inside the 5-7th leaves of the outer leaves, leaving the wound brown. More common, petiole ribs dark brown, atrophy of leaves, become rough, hard and hard. The ball is not big. Serious when all the ball. Slitting from the middle of observation, the center of brown decay, and sometimes hollow. 2. Radish: mild disease, the Ministry of the ground