How to distinguish between fruit "male and female," defense sweet and sour

Orange and Apple, just as male and female to see sub-pedicle: a large female who is thin, the nuclear small and less; male who sour, nuclear, and thick-skinned a little more.



The male and female pear depends on the depth of the Ministry of items, deep were female, a large smooth, shaped the United States, Weijia juicy taste good; shallow person is male, there are pits, water, dry low.



Litchi pericarp on the "thorn" If the needle-like, that is, female lychee, juicy and sweet, the nuclear small-shell thin; on the contrary, its thorn in point is hung round the litchi juice not only small, and insipid, the nuclear large shell are also thick.



The watermelon into "male and female," saying: in with the other side of the relatively Goity guapi on both the organization gave birth to a round lump, commonly known as "navel", "public" Watermelon "navel" in a smaller, and " Mother "Watermelon in the latter case, the size of a coin," mother "watermelon than" public "sweet watermelon.