红富士苹果发生裂果的原因及预防

• 作 者: 万欣 赵省
• 机 构: 河北省昌黎果树研究所,河北省昌黎果树研究所 066600,066600
• 出 处: 烟台果树
• 发表日期: 1998年02期
• 关键词: 红富士苹果 果实表面 纵向开裂 中心轴

一、裂果发生的症状与危害 红富士苹果从8月下旬至采收前陆续有裂果现象发生,其主要症状如下。 1.在梗洼内以果柄为圆心开裂,并在不规则半圆或圆的裂口上,又出现新的纵向开裂。 2.以果实的果柄垂线为中心轴开裂,裂口有时可深及果肉内部,深达2～3mm。 3.在梗洼处围绕果柄形成若干个小皱裂,果实表面有时也会发生此现象。

First, the symptoms and harms of split fruits Red Fuji apple from late August to before harvest, there are cracked fruit phenomenon, the main symptoms are as follows. 1. In the stem depression in the fruit handle as the center of cracking, and irregular semicircular or round in the rift, and the emergence of new longitudinal cracking. 2. Fruit stalks vertical axis as the central axis of cracking, cracks can sometimes deep and pulp internal, as deep as 2 ~ 3mm. 3 in the stem depression around the stalk to form a number of small wrinkles, the fruit surface sometimes happen with this phenomenon.