番茄筋腐病是温室番茄生产中常见的一种生理性病害。主要发生在果实膨大期至成熟期,在第一、二穗果上最为常见,病果在转红期症状明显,导致产品品质下降,影响产品销售和价格。一、危害症状典型症状是果实着色不匀,维管束变褐。发病轻的果实表皮内维管束变褐,纵剖可发现从果柄附近到果脐部出现一道黑褐色条纹,果面外形变化不大,但维管束变褐部位表皮着色延迟,难以转红。发病较重的果实,果内维管束全部成黑 Tomato stalk rot is a common physiological disease in greenhouse tomato production. Mainly occurs in the fruit of the swollen period to maturity, the first and second ear of the most common, disease in turn red obvious symptoms, leading to product quality decline, affecting product sales and prices. First, the typical symptoms of harmful effects Fruit uneven coloring, vascular bundle brown. In the light fruit epidermis, the vascular bundles were brown and longitudinally dissected. A dark brown streak appeared from the stalk to the umbilicus. The shape of the fruit surface did not change much. However, the epidermis of the browning part of the vascular bundle was delayed in coloring, making it difficult to turn red. The incidence of heavier fruit, fruit into vascular bundles all black