In his experiments on sexuality in dioecious plants (with male and female flowers on separate plants) and monoecious plants (with male and female flowers on the same plant), he demonstrated that oif the female flowers were isolated from the male flowers o
In his experiments on sexuality in dioecious plants (with male and female flowers on separate plants) and monoecious plants (with male and female flowers on the same plant), he demonstrated that oif the female flowers were isolated from the male flowers o
在他的关于雌雄异株（雌花和雄花在不同的植株上）和雌雄同株（雌花和雄花在相同的植株上）性别研究中，他发现如果雌花和雄花分开或雄花被移开，雌花产生的种子往往是不育的。