Abstract:Xi'an area is lacated on the middle part of Guanzhong basin between the north ofQinling Mountain and the south of Weihe River.Its climate belongs to monsoon climateof warm-teperate zone.In recent years, with the deepening of reform and opening to theoutsi

Abstract:The primary structure and secondary growth of the root of Rehmannia glutinosa Libosch are similar to those of the normal dicotyledons.The main cause of root tuber expanding is that phellogen produces many layers of phelloderm parenchyma cells and vascular

Abstract:Lily is a cut flower of valuable in recent years for our country. The types of cutflower lily biological and ecological characteristics,cultivivation techniques,propagationmethod. Cut skill and develop prospest.

Abstract:This paper is a result of introduced herbage at Ansai station in the Loess Hilly region from 1992 to 1995. The aim of experiment is selecting fine herbage for establishinghigh-yield artificial pasture on slopeland and improving natural rangeland. More No.

Abstract:In this paper,the achievements and experience of plant introduction and acclimatization in Shaanxi Province have been mainly looked back and discussed,especially onthe introducted kinds in the regions and the successful examples.And on this basis,some the

Abstract:Comparative anatomic studies on vegetative organs of twenty species of xeromorphic shrubs living in different habitats in Helan mountain.The main character of leavesare as follows:small ratio of the exteral leaf surface to its volume;leaves are coveredwit

Abstract:Mophylogical and cytological studies on the male sterile plant in Cunninghamialanceolata(Lamb.)Hook.It was shown that the colour of leaves of the male sterileplant is much greener;the bract of a cluster of microstrobiluses and microsporophyllopen abnormal

Abstract:This paper deals with the changes of peroxidase isozymes activity and malondialdehyde(MDA)content in aborted seed of Chinese-fir.The results indicated that abortedembryo was associated with the decreases of peroxidase isozymes activity and a markedincreas

Abstract:This paper dealt with plant regenerating method by cortex tissue culture in Asparagus officinalis L.The cortex inoculated on callus media,MS+ 1 mg/L 2, 4-D+2 mg/L6-BA formed colorless and light green soft calli.Medium MS+2 mg/L 6-BA + 0.1mg/L IAA is advan

Abstract:There are about thousands kinds of plant in Hanzhong region,in which 2724 specieshave been found,dentified and registered,they belong to 7 phyla,271 families,1114 genera separately.

Abstract:The three fine species of grass Sengby,Marity and Wubace,which are suited to theclimate conditions of Shaanxi province,have long period of growth and are trampleresisting have been selected from six species of grass at home and abroad.Among themespecially

Abstract:New pests were carried,seriouse injury and damage were caused,plants resistancewere decreased by unsuitable cultivation managements,environment pollution and pesticide resistance were induced by using too much chemical,lot of natural enemy werekilled and

Abstract:By modern tissue culture method,we make a species preservative research of wildplant of Lilium(Tourn.)Linn.in Qinling mountains. It is proved that in MS with NAA 0. 5mg/L more new bulbs of Lilium giganlium(Wall)Makino var.Yunnanse Leichtlin exElwes.,L. da

Abstract:The research of Yellowfruit Raspberry's wild germ plasm resource and introduction in the Qinling Mountains show that the Yellowfruit Raspberry has lower plant heightand more drought-enduring plant roots,large fruit,good quality,better taste,rich nitrition

Abstract:The three habitats of miaotai maple(Acer miaotaiense)are investigated.In according to the results of the investigation,the anatomical observation of sexual reproduction,seed propagation and transplantion,the conclusion is that there are three reasons caus

Abstract:Callus was induced from explants of spherical undeveloped male flowers and shootsegments of Taxus chinensis(Pilger) Rehd.The suitable medium for the callus inductionand its growth was 1/2 MS+2,4-D 2.0mg/L+NAA 0.1mg/L.Experiments of rootlet and or plantlet

Abstract:Prunus pedunculata has the morphological and structral features of typical xerophyte,at the same time,its physiological feature is adaptation to arid habitats.Therefore,it is feasible that Prunus pedunculata is introduced in sandy desert.Pranus pedunculat

Abstract:The rootstock rot is an importent problem in production of Atractylodes macrocephala Koidz. It is harmful to the rootstock seriously and occurs extensively.The studies show that the appearance of rootstock rot relate to cultural practices.The primary infe

Abstract:Six populations of wild species A.neriniflorum and A.tubiflorum were introducedinto our garden,now they grow very well and can bloom and seed. Except the one populationg of A.tubifiorum which is a tetraploid(2n=4x=32),theother populations of A.tubiflorum

Abstract:The distribution types of the 42 genera of rare and endangered plants and their geographic distribution of 46 species(including varieties)as well as the flora characteristicsin Shaanxi Province were mainly analysed in this paper.Some countermeasures for p