番茄是目前栽培面积最大的果菜品种之一,生产中往往因栽培管理措施不当而引起生理性病害的发生,严重影响番茄的生长发育,降低果实品质,甚至造成绝产。下面就介绍一下番茄的主要生理性病害及其防治措施。1、脐腐病1.1症状多发生在果实迅速膨大期的幼果上,有时也会在果实将要变红时发病。开始在幼果的脐部出现小浸状斑,后逐渐扩大,至果实顶部凹 Tomatoes are currently one of the most cultivated fruit and vegetable cultivars. Physiological diseases are often caused by improper cultivation and management practices in production, which seriously affect the growth and development of tomatoes, reduce the quality of fruits and even lead to absolute loss. The following describes the main physiological diseases of tomatoes and their prevention and treatment measures. 1, umbilical rot 1.1 symptoms occur in the fruit of the rapid expansion of the young fruit, and sometimes the fruit will turn red when the disease. Beginning in the umbilical portion of young fruit appear small dip-like spots, and gradually expanded to the top of the fruit concave