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“干烧心”被称为白菜的第四大病害(其余三大病害为病毒病、霜霉病、腐烂病),由于它是生理病害,没有引起人们的足够重视,因此近年来有逐渐扩大的趋势。特别是在一些老菜区、干烧心可使大面积的白菜失去食用和商品价值,严重影响了菜农的经济收入和社会效益。那么形成干烧心的原因是什么?又怎样防治这种现象的发生呢?对此,本文将做一些回答,以满足菜农朋友的需要。形成原因:白菜的干烧心是由于植株缺钙而引起的。钙是大白菜细胞壁的组成元素之一,尤其在中胶层中,大部分为果胶钙所组成。从排水细胞附近的通
“Dry heart-warming” is the fourth largest disease in cabbage (the other three major diseases are virus, downy mildew and rot disease). Since it is a physiological disease, it has not attracted enough attention and has been gradually expanded in recent years trend. Especially in some old vegetable areas, the heartburn can make a large area of cabbage lose its food and commodity value, seriously affecting the economic income and social benefits of vegetable farmers. So what is the reason for the formation of dry heart? How to prevent this phenomenon? In this regard, this article will do some answer to meet the needs of friends and friends. Cause: Braised cabbage is due to calcium deficiency caused by the plant. Calcium is one of the components of the cell wall of cabbage, especially in the glue layer, most of the composition of pectin calcium. From the drainage cells near the pass