用单株结果数、茎毛尖钝、果皮厚度和果皮木栓化4个性状建立的一级分类函数，对野生甜瓜、薄皮甜瓜和厚皮甜瓜3亚种的判别准确度为97.6%。
The first grade classification function being made of the number of fruit per plant , the shape of hair top on stem , the thickness of skin and suberization of skin has 97.5 % correct rate on distinguishing the three sup-species .
甜瓜皮