论文部分内容阅读
锌是植物体内生长素和某些酶的组成成分,直接关系到叶绿素的合成和稳定及一系列的生理活动;锌能促进花粉萌发,提高桃坐果率。随着桃面积的扩大,产量的提高,有个别园片出现缺锌的病症。现将发病症状及防治技术介绍如下。 一、缺锌的症状 主要表现在新梢和新生叶片上,病梢发芽较晚,以夏季涝灾后或雨水量大时发生较多,新发生枝节间变短,叶片窄而短小,在新生枝条顶
Zinc is a component of plant auxin and some enzymes, which is directly related to the synthesis and stability of chlorophyll and a series of physiological activities. Zinc can promote pollen germination and increase fruit setting rate. With the expansion of peach area, increased production, there are individual zinc deficiency Ziyuan disease. The onset of symptoms and prevention techniques are as follows. First, the symptoms of zinc deficiency is mainly manifested in the shoots and new leaves, shoots germination later in summer floods or when there is a large amount of rainfall, the new occurrence of inter-node becomes shorter, narrow and short leaves in the new branches top