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看整体纹路:西瓜皮由深和浅两种纹路构成,摸起来光滑,纹路整齐、清晰的是好西瓜,反之,纹路不清晰、皮纹暗淡和有疤瘌、疖肿的西瓜则是不好的。瓜蒂:从蒂部的弯曲程度可判断是第一茬瓜还是第二茬瓜。第一茬瓜的瓜蒂是弯曲的,营养吸收比较充足,光合作用较强,含糖量高、口感好;第二茬瓜的瓜蒂相对直一些,口感不如第一茬瓜好,个头也没有第一茬瓜大。脐部:在相同品种的西瓜中,脐部圈小的瓜比脐部圈大的瓜甜,脐部凹进去的瓜成熟度高。
Look at the overall texture: watermelon skin by the deep and shallow lines of two composition, feels smooth, tidy lines, clear watermelon is good, on the contrary, the lines are not clear, blemishes and blemishes, swollen watermelon is not good of. Guadey: From the pedicle of the degree of bending can determine whether the first crop melon or the second crop melon. Guadie first melon is curved, nutrient absorption is adequate, strong photosynthesis, high sugar content, taste good; Guadie second crop of melon straight relative to some, the taste is not as good as the first crop melon, the first No first crop of melons. Umbilicus: In the same variety of watermelon, the small umbilical cord melon than the umbilical cord large melon sweet, umbilical concave into the melon high maturity.