无籽西瓜的采种与调制,一般方法与普通二倍体西瓜大致相同,但无籽西瓜采种与调制时必须注意如下二个问题。 一、瓜种必须成熟 无籽西瓜(三倍体)种瓜一般在开花后35天左右才能充分成熟。充分成熟的果实采收后,可立即剖实采种;未充分成熟的果实必须后熟5天左右,否则发芽率降低。后熟时不要把西瓜放在阳光下暴晒,要平放在室内干燥的阴凉处,最好 Seedless watermelon seed and modulation, the general method is about the same as ordinary diploid watermelon, seedless watermelon seeds and modulation must pay attention to the following two questions. First, the melon species must be mature Seedless watermelon (triploid) kinds of melons generally 35 days after flowering in order to fully mature. Fully ripe fruit harvested immediately after cuttings can be cut; not fully ripe fruit must be about 5 days after the ripening, or reduced germination rate. Do not put watermelon in the sun after the ripe sun exposure, to be flat on the indoor dry shade, the best