甜瓜喜温暖,昼夜温差大、干燥、日照充足的条件,不适应多阴雨、高湿的环境。在多雨地区或多雨季节,光照不足,湿度高,植株常衰弱多病,裂果、烂果,种子生产没有保证。因此,应将采种安排在少雨干燥的季节或少雨干燥地区。我省中南部地区,早春气温低,地温回升慢,植株生长缓慢。7月上中旬进入雨季后,植株正处于结果 Melon hi warm, large temperature difference between day and night, dry, sunshine conditions, do not meet the rainy, humid environment. In rainy or rainy seasons, inadequate lighting, high humidity, plants often weak and sick, cracked fruit, rotten fruit, seed production is not guaranteed. Therefore, seeds should be planted in dry, dry season or dry, dry areas. Central and southern regions of our province, early spring temperatures are low, ground temperature rise slowly, plants grow slowly. After entering the rainy season in mid-July, the plant is in the process of ending up