Abstract:The seeds of Taiwan wax gourd were cultured on the pH 7.2 1/2 MS medium of proculture,the germination frequence of the seeds were 100% after 5 days.The shoot tip and shoot segment with axillary bud of 20 growing days aseptic seedlings were inoculated into

Abstract:Qinling Mountain is situated in the middle of China.Sharptooth oak forest is one of main forest types in the area.From the investigation of the sharptooth oak communities in this region,it is reported in the paper that there are 60 families,131 genera and

Abstract:The nectaries in the bisexual flower of Vitis vinifera are five ellipse shapped disc nectaries occuring on the ovary base,and alternate with five staments.They consist of epidermis,nectariferous tissue and are covered by a thin cuticule.During the de

Abstract:This article deals with the cell developmental process of epiderm of microsporangium in Plantycladus orientalis (L.) Franco with light microscope and scanning electron microscope to find that the cells of this layer possess distinctive structure and f

Abstract:As it is in the initial stage in China,most of the work on breeding of Yulan Magnolia is concentrating on investigating and collecting endemic species,yet a lot of achievements have been made and many new species have been developed.In breeding Yulan,we a

Abstract:Authors made study on introduction and breeding of improved breeds of seabuckthorn in the loess semiarid region at Ansai and Wuqi county Shaanxi Province in 1985-1998.Through introduced more 20 fine form of seabuckthorn from different source of geographic

Abstract:依据植被地带性分布规律及植物群落结构原理，对黄土高原大面积建造林草植被的实践和学术上存在的有关问题进行了分析讨论。认为对造林而言应强调适地适林，“适地适树”的提法有不确切性，因为很多适地适树的树种用作主要造林树种则不适宜，指出应选择相应地带植被优势种用于造林种草，辅以伴生种，建立不同类型的复层混交植被，森林带，森林草原带，草原带分别以针阔混交，乔灌草混交，稀树灌草丛模式为主。从人工林草地土壤水分动态看，“草灌先行”的造林途径是不可行的。

Abstract:The diversity of seed plant from Niubeiliang Nature Reserve has been studied systematically in this paper.On the statistics there are 950 species (including infraspecific taxon) which are belong to 433 genera and 105 families.Among them,gymnosperm include

Abstract:Growth development courses of aboveground total biomass as well as stem,leave,flower fruit biomass of Adenophora potaninii Korask.populations in different altitudes have been studied systematically.The results showed that: (1) The aboveground total b

Abstract:There are 23 genera with 51 species and 7 varieties of Boraginaceae in Loess plteau from China.In this paper,their names,distributions,habitats and uses are reported.

Abstract:This paper was taken variety ageing of Buchwheat in the loess hilly gully region as main problem.Through 3 year introduction experiment,appraisal and selection from 1995 to 1997,the writers selected 5 varieties of Buckwheat which not only were suitable to

Abstract:This paper summarized lodging types of maize and their effects on yield.Plant characters and environmental factors related to the lodging and its prevention were also reported in this paper.

Abstract:在春保护地黄瓜开花时，用BN-2的250倍或500倍稀释液涂抹黄瓜子房，1997年1998年两年的试验结果表明；BN-2可保证黄瓜座瓜率达到100%，而对照只有74%或88%。1997年比对照提高单瓜重28.6%或25.3%;1998年提高158%或122%。两浓度均能明显增加瓜条的粗度和长度，1998年分别增加60%和58%。1997年两浓度分别提高单株产量66.9%和66.7%。在果实的对数生长期，处理的生长速度约为对照的2倍。

Abstract:１澳大利亚、新西兰草地畜牧业的研究动态１．１澳大利亚、新西兰的基本概况澳大利亚大陆四面环水，因受亚热带高气压及东南信风的控制和影响，沙漠和半沙漠却占全国总面积的３５％。在自然地理上明显的分成三个部分：东部澳大利亚山地区，海拔８００－１０００ｍ，是很多...

Abstract:The advances on pollen morphology may be divided into 3 stages in China.The beginning stage was from 1953 to 1960.The low development stage was from 1961 to 1980.The fast development stage began in the 1980s.The families that have been studied systematica

Abstract:Some additional materials for the pteridophytic flora of Qingling Mountains adding up to 3 families,8 genera and 21 species are reported in this paper,as well as their names,synonyms,distribution and habitats.

Abstract:试验结果表明，陕西种源香椿硬枝插条在温室进行芽菜培育休眠芽萌发的最低温度指标为16.8℃，有效积温39.6℃。培养液；（NH4）2SO40.6g/L (NH4)H2PO40.45g/L KH2PO41.1g/L CaSO40.6g/L MgSO40.5g/L，其效果较其它溶液为好。

Abstract:记录了锦鸡儿属（Cargana Fabr.)植物的资源分布，并对该属66种植物（小叶锦鸡儿，柠条锦鸡儿，中间锦鸡儿，树锦鸡儿，黄刺条，锦鸡儿，红花锦鸡儿，密叶锦鸡儿，鬼箭锦鸡儿，毛掌叶锦鸡儿，白毛锦鸡儿，甘蒙锦鸡儿，矮锦鸡儿，繁花锦鸡儿，矮脚锦鸡儿，狭叶锦鸡儿，毛刺锦鸡儿，柄荚锦鸡儿，秦晋锦鸡儿，北京锦鸡儿，南口锦鸡儿，五台锦鸡儿，昆仑锦鸡儿，库车锦鸡儿，短叶锦鸡儿，变色锦鸡儿，二色锦鸡儿，白皮锦鸡儿，青甘锦鸡儿，川西锦鸡儿，云南锦鸡儿，猫耳锦鸡儿，陕西锦鸡儿，长爪锦鸡儿，甘肃锦鸡儿，扁刺锦鸡儿，青海锦鸡儿，二连锦鸡儿，弯枝锦鸡儿，昌都锦鸡儿，楔翼锦鸡儿，高山锦鸡儿，藏北锦鸡儿，尼泊尔锦鸡儿，沦江锦鸡儿，吉降职一锦鸡儿，文县锦鸡儿，粗刺锦鸡儿，西藏锦鸡儿，刺锦鸡儿，粉刺锦鸡儿，草原锦鸡儿，阿拉套锦鸡儿，伊犁锦鸡儿，阿尔泰锦鸡儿，镰叶锦鸡儿，中亚锦鸡儿，邦卡锦鸡儿，绢毛锦鸡儿，白刺锦鸡儿，多叶锦鸡儿，新疆锦鸡儿，刺叶锦鸡儿，粗毛锦鸡儿，准噶尔锦鸡儿，吉尔吉斯锦鸡儿）的特征，习性及分布进行了详细描述。

Abstract:There are 48 genera Chinese endemic genera of seed plants in Hanzhong area.They belong to 33 families and includ one genus gymnosperm and 47 genera angiosperm.Among them,24 genera are single species genera,18 few species genera and 6 many species genera.A

Abstract:The researchs were aimed at historical cold damages of grape production in North Shaanxi.We grafted Kyoho,Ryugan and Jingzaojing on cold resistant rootstocks V.amurensis ,Shan Mei Gui and Beta,covered different thickness of soil 10,20 and 50 cm to defe

Abstract:白藜芦醇是葡萄酒中具有很多保健作用的一种多酚类物质，目前越受到研究人员的重视，本文着重论述了白藜芦醇的保健作用，在葡萄酒中的含量以及影响因素。