"stamen"相关例句(26)
11.The stamen of paulownia tomentosa×P. fortunei is a didynamous one. There are four microsporangia in each young anther.
13.The application of 200-600 g/ha Eth-ephon in the early period of stamen differentiation increased the yield by 8～12%on average.
14.By anatomical observations, the mutant was characterized with the phenotypes of fewer stamens, more pistils and stigmas, twin ovary, malformed embryo sac, as well as stamen originated pistils.
15.1. The EST isozymes in buds are bound up with the expression of the stamen sterility by the research on lots isozymes of the different organ in sterile line CMS3411-7, CMS7311.
16.We sampled young panicles in the shoot tip of psd2 mutant and wild-type in the pistil and stamen formation stage,which were 2 to 10mm long.
17.fzp and dro are mutants of two key genes that control the differentiations and developments of spikelet and sexual organs (pistil and stamen) in rice, respectively.
18.Some lines with ps-2 male sterile gene were introduced from Bulgaria. The results observed in the open field proved that their sterility was stable without emasculation. The plants had normal stamen and pollen, and indehiscent anther.
19.Flower bud differentiation of Winter Daphne of the golder edges, which include two processes of differentiation of inflorescence and of floret, can be divided into five development stages: undif- ferentiation、differentiation of inforescence、floret、stamen and pistil. In anthotaxy differentiation of dahlia is afferent.
20.Abstract: The information in the literature concerning the concept of heteranthery, the distribution of heteranthery in angiosperm, the function of heteranthery in pollinating processes, as well as stamen development are reviewed, and the prospects in heteranthery studies are also discussed.
