共查询到20条相似文献,搜索用时 78 毫秒
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北五味子Shisantdra chinensis Bai1l.木兰科植物,用于中药已有1千多年的历史。浆果与种子含有1种刺激神经兴奋的物质,通常用于消除疲劳,治疗神经衰弱。果实含大量抗坏血酸,对改善血质,治疗循环系统疾患,抗癌都有一定的辅助疗效。干果和种子含大量挥发油,用于饮料和化妆品工业原料会取得特殊效果。据对五味子干果、种子及干树皮的主要化学组成成分的分析:含挥发油0.8×10~(-2);五味子醇0.12×10~(-2);糖份19.6×10~(-2);蛋白质10.6×10~(-2);柠檬酸11.2×10~(-2);苹果酸8×10~(-2) ;酒石酸2×10~(-2)。抗坏血酸350~470mg/kg干果。干种子中含挥发油2×10~(-2);脂肪油4×10~(-2);干树皮中含挥发油2.6~3.2×10~(-2)。 相似文献
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苹果“北栽南移”的探讨●杨文胜南京地区苹果早在清代就有栽培。民国时期二十年代至三十年代初,南京东南、金陵两所大学的实验农场和中山陵园都有苹果栽培。四十年代后期,前中央林业试验所(即太平门外板仓原南京林校)及卫岗果园均有栽培。苹果一般适宜冷凉干燥的气候... 相似文献
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北五味子育苗与栽培管理技术 总被引:1,自引:0,他引:1
北五味子育苗与栽培管理技术王福宗,刘彦茹,许金兰(河北省林业科学研究所,易县坡仓林业站)关键词北五味子,引种育苗,栽培管理北五味子(SchisandraChinensisBaill),又名五味子、辽五味子、俗名山花椒。系木兰科五味子属多年生、落叶、木... 相似文献
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The ethanolic extracts of Curcuma longa and Alpinia galanga exhibited excellent (100%) phytotoxic activity against Lemma minor. These extracts were also found to possess good antifungal activities against Trichophyton longifusus (65% and 60%, respectively), while in the brine shrimp lethality bioassay were found to be toxic with LD50 of 33 and 109 mincrog/ml, respectively. These extracts were found quite inert in antibacterial bioassay, while the extract from C. longa, tested for insecticidal activity, was also found to be devoid of any activity. 相似文献
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Extracts of roots of Rumex nepalensis, Berberis aristata, Arnebia benthamii, bark of Taxus wallichiana, Juglans regia and petals of Jacquinia ruscifolia were tested for their antifungal activity against twelve different fungal pathogens. Ethanolic extracts of R. nepalensis and J. ruscifolia extracts showed a broad spectrum of activity. 相似文献
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曹云德 《绿色中国(A版)》2003,(11):54-55
“南竹北移”顾名思义,即将在南方生长良好的竹类品种移植到北方适宜地区,以满足北方地区常绿植物品种种植和生态工程建设的需要。竹之习性北方地区除松、针叶等树种以外,其它绿化用花、木大都是落叶乔木品种,每年到秋天便开始落叶,冬雪天就成灰白景色,无力挡风、防尘。实际上,在我国,松、针叶树种只种在庙宇、墓园、祠堂周围,故有属“阴”性树种之说。而竹类却不同,一年四季都能保持绿色和活力,尤其在白雪飘扬时节,更能体现翠竹的秀美和气节,故古人常以竹喻人“未出土时已有节,纵凌云处仍虚心”就是对竹子的最好的评价。同时,因竹根走鞭快,… 相似文献
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阐述了黑龙江省蜻蜓目药用昆虫褐顶赤蜻 ( Sympetrum inf uscatum Selys)的形态特征、生活习性、化学物质含量及药用价值 相似文献
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根据南方的气候特点,对不同地区的不同环境和植物种类组织,在全省14个市(州)开展了新剂型的应用研究。试验结果表明:绿色植物生长调节剂比原ABT生根粉1~5号使用简便,效果更好。可大力应用。 相似文献
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Beech (Fagus orientalis Lipsky) forest covers about 565,000 ha of land in Guilan province, north of Iran and forms a major carbon pool. It is an important economic, soil protection and recreation resource. We studied long-term effects of fire on the structure and composition 37 years after fire occurrence in these forests. To do this research, we selected 85 ha burned and 85 ha unburned beech forests). The results indicated that the fire had not changed the overall uneven-aged structure, but it changed forest composition from pure stands to mixed stands that now include species such as Carpinus betulus, Acer cappadocicum and Alnus subcordata. The density of trees and regeneration was significantly increased, while the density of shrubs significantly decreased. The main reasons for increased tree regeneration were attributed to (1) reduction of litter depth, and (2) increase in available light from opening of the canopy and reduction in shrub competition. It is apparent that the forest is on a path to return to its natural state before the fire after 37 years. 相似文献
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赵临龙 《绿色中国(A版)》2006,(23):67-69
本文通过对旅游大区域协作研究,提出了构建我国中西部南北旅游大通道的设想。文中对构建我国中西部南北旅游大通道的重要性、特色优势、基础条件、途径等,从理论和实践层面进行了翔实的论证。 相似文献