作者将埃及对列当(Orobanche aegyptiaca Pers·)种子23℃预处理两周,然后在烧杯内用活体寄主哈密瓜幼苗诱导萌发,受到瓜根分泌物的刺激作用,大约两周之后列当种子萌动。按照不同的发育阶段,对其形态进行了显微照相,记录如下: (1) 幼芽从种喙内伸出,淡黄色,外表略有斑纹。(图1)为没荫发的种子。 The authors pre-treated the seeds of Orobanche aegyptiaca Pers seeds at 23 ° C for two weeks in Egypt and then germinated them with the live host Hami melon seedlings in a beaker, stimulated by melon root exudates and seeds germinated approximately two weeks later. According to different stages of development, the morphology of the photomicrographs, recorded as follows: (1) shoots protruding from within the beak, pale yellow, slightly striated appearance. (Figure 1) is a shadeless seed.