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番茄发生空洞果后，内部疏松，外部横断面呈多角形。切开后可看到果肉和胎座之间缺少充足的胶状物和种子，存在明显的空腔。发生原因：是由于果肉部生长过快而果腔部生长过慢而造成的。形成原因：一、受精不良。二、氮肥施用过多。三、用2，4－D或番茄灵蘸花时浓度过大，或处理
After the occurrence of hollow fruit tomato, the internal loose, the external cross-section was polygonal. After cutting, there is a lack of adequate jelly and seeds between the pulp and the placenta, with a clear cavity present. Reason: It is due to excessive growth of the Ministry of pulp and fruit chamber growth caused by too slow. Causes: First, poor fertilization. Second, excessive nitrogen fertilizer. Third, with 2,4-D or tomato spirit dipped in flowers when the concentration is too large, or treatment