论文部分内容阅读
症状:西红柿空心也叫空洞果,主要表现为果实外观不圆整,表面呈棱角状,表皮厚薄不匀。果实内胎座组织发育不充实,果实与胎座组织分离,形成空腔。果实水分少、质量轻、品质差。空洞果多出现于西红柿生长后期,秋季塑料大棚和温室栽培更为常见。发病原因:(1)气温过高或过低引起受精不良,种子退化,胎座组织发育不充实;(2)温度过高且持续时
Symptoms: hollow tomatoes, also known as empty fruit, mainly for the appearance of fruit is not round, the surface was angular, uneven skin thickness. Fruit inner placenta tissue development is not full, fruit and placenta tissue separation, the formation of cavity. Fruit moisture less, light weight, poor quality. More empty fruit appear in the late growth of tomatoes, autumn plastic greenhouse and greenhouse cultivation is more common. Cause of the disease: (1) the temperature is too high or too low cause poor fertilization, seed degeneration, placental tissue development is not full; (2) the temperature is too high and sustained