Chen Baoli , Zhang Qilin , Jin Xiaoping ,
1991, 11(2).
Abstract:The specimen of pollen grains of several species on Compositae andMagnoliaceae were prepared by ODO freeze cracking method. Under SEM,the various arrangement of pollen grains within locules, the layers and structure of aperture and pollen wall, the inside
Huang Jianzhong , Li Yanghan ,
1991, 11(2).
Abstract:Reserched the mechanism of haustorial formation induced by exoge-nous cytokinin. The result showed that there is very rich calmodulin inhaustorial primordia and the formation of the primordia induced by thecytokinin application could be inhibited with Tri
1991, 11(2).
Abstract:There were chloroplasts in Hodeum vulgare anthers. When PMCs ofthe anthers came to meiosis stage, proplastids in endothecium cells ofanther wall developed into chloroplasts; When pollens matured, thechloroplasts degraded gradually.
Zheng Sijun , Ji Daofan , Xu Fuhua ,
1991, 11(2).
Abstract:The germination of pollen grain of Gossypium hirsutum L. race latifo-lium on the stigma of two commercial varieties (Deltapine 15, Simian 2)was observed. The growth of pollen tubes in the style was not differentfrom that of self-pollinated commercial vari
1991, 11(2).
Abstract:Selecting the compact, smoth and knobby callus, and adding L-pro-line in the medium which consists of N_6 macro-elements, B_5 micro-ele-ments and MS organic elements as well as sucrose 2%,glucrose 1%, CH 500mg/l and agar 0.8%, a long-term culture from whe
Wang Chen , Wei Yahui , Liu Xiaoping , Zhang Weijing ,
1991, 11(2).
Abstract:Sudum spectabile is a facultative CAM plant. Watered plants carryout the metabolism of C_3 type in Summer. But the photosynthetic typecould be turned into CAM type within 6 hours when leaves were treatedwith ABA (3 mmol/1 aqueous solution) or detached in
Li Keqin , Wang Zhezhi , Zhang Dali , Guo Dezhi , HaoLianfang , Zhang Sufeng , Sheng Zhigang ,
1991, 11(2).
Abstract:This article deals with advances in tissue and cell culture of Gossy-pium hirsutum L.. A wide range domain of callus initiation, proliferation,embryogenesis, plant regeneration, monocell culture, protoplast culture,chromosomal aberration and mutant screen
Zhao Xiuying , Ru Tianxin , Zhang Hongli ,
1991, 11(2).
Abstract:Xiaoyan No. 6 and blue grain Xiaoyan wheat have seventeen ami-noacids, blue grain Xiaoyan wheat are high than Xiaoyan No. 6 in thecontents of nitrogin of protein and aminoacid. They contain eight fattyacids, the content of linoleic acid is main (65%). The
1991, 11(2).
Abstract:In the present paper, 17 native and introduced genera of Triticeaehave been studied. Based on the inflorescence evolution and the struc- ture of abaxial epidermis of leaf and of the mature embryo, the relation-ships among the genera of Triticeae have been
Sun Jizhou , Liu Jiping ,
1991, 11(2).
Abstract:8 species, 2 varieties of genus Zanthoxylum L. from Gansu havebeen sorted out, among them 1 species is first recorded in Gansu. Dist-ribution and habitat of these species are reported. It may be used asreference for exploiting and utilizing resources of Z
