编辑同志: 我村这几年露地定植的西红柿,每年7月下旬左右,一场大雨之后,西红柿就会严重溃烂,不管成熟与否,减产非常严重,有的绝收,秋苗死亡,果实出现黑褐色病块,两三天后就会腐烂,主要在下面几层果实,随着时间的推移,上部果实变成花脸,果肉变硬,不能食用。所以种 Edit comrades: I village in recent years openly planted tomatoes, around the end of July each year, after a heavy rain, tomatoes will be severe ulceration, regardless of maturity or not, the yield reduction is very serious, and some yield, autumn seedlings died, the fruit appears black Brown disease, two or three days will decay, mainly in the following layers of fruit, with the passage of time, the upper part of the fruit into a flower face, the fruit hardens, can not eat. So kind