Gui Meixiang , Huang Weiyu , Ni Nanjun
1992, 12(3).
Abstract:The degree of caused wilting, respiratory rate, peroxidase activity and peroxidase isozyme in different disease resistance variety seedlings treated with crude extract of fusarium wilt pathogen were estimated, and the cellulase and pectinase activities in
1992, 12(3).
Abstract:The structure, distribution and development of the secretory canals were studied in Rhus typhina, Rhus potaninii, Cotinus coggygria, Pistacia chinensis and Toxidendron verniciflum. The secretory canals of the five plants are composed of one layer of secre
1992, 12(3).
Abstract:The present paper contributes a knowledge of the wood structure of Sinowilsonia henryi Hemsl., a monotypic genus of the family Hamamelidaceae and a endemic species of China. The anatomical features of the wood and further discussion are mainly as follows.
1992, 12(3).
Abstract:Histocytological observations on thin cell layers (TCLs) and segments of the pedicels of Nicotiana tabacum L.cv.GeXing 1, cultured on Murashige and Skoog medium with indolebutyric acid (IBA) 2mg/L and 6-Benzylaminopurine (6-BA) 0.2mg/L, were carried out d
Lu Guihua , Liang Houguo , Lu Zhongshu
1992, 12(3).
Abstract:There were abrupt rises in both carbon dioxide and ethylene production during postharvest ripening period of apple fruit (Malus sylvestris Mill cv. White winter pearmain). RNAs were extracted from ripening apple fruits by SDS-phenol method and poly(A)RNA
1992, 12(3).
Abstract:In potato plant (Solanum tuberosum cv. Gaoyuan No. 4), a negative correlation between the solanine content and the tuber - forming ability of the internodes of etiolated sprouts or the stolon cuttings in vitro was obtained. The effects of the plant growth
Zhang Hongli , Wang Youmin , Zhang Zhenjie
1992, 12(3).
Abstract:The chemical constituents of the essential oil of Thymus mongolicus Ronn. obtained from Taibai County, Shaanxi Province have been analysed by GC-MS. Among 51 peaks separted'32 components which accouted for 95.47% of the essential oil have been identified.
Yao Yaqin , Hu Dongwei , Jiang Xuanli , Yang Shuxing
1992, 12(3).
Abstract:A preparation and stain method of thin sections for small samples with hard, thick shells and soft internal tissues is dealt with in this paper. The results showed that the seeds of Idesia Polycarpa var. vestita Diels at different stages of development, a
