筋腐病是大棚番茄的一种主要生理病害，主要危害果实。常见有两种类型，褐变型和白化型。褐变型表现果实维管束褐变，果皮内侧壁及其组织褐变，果皮及中助内部褐色；白化型表现果皮或果壁硬化、发白、果实糠心。此病严重影响了番茄的产量和品质。因此，应及时查明原因，加强管 Stalk rot is a major physiological disease tomato greenhouse, the main hazards of fruit. There are two common types of browning and whitening. Browning showed browning of vascular tube, browning of the inner wall of the pericarp and its tissues, and browning of the pericarp and mid-help. Whitening showed that the pericarp or fruit wall hardened, whitish, and the kernels were branded. The disease has a serious impact on tomato yield and quality. Therefore, we should promptly identify the reasons for strengthening the tube