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漆树各类器官的形态解剖研究——1.漆花形态研究初报 总被引:5,自引:2,他引:3
<正> 为了尽快搞清全国漆树品种,选出优良品种以利推广发展,更深入细致地对漆树各类器官的形态解剖特征作系统地比较研究,从而找出若干指标,为区分漆树品种提供客观的依据,是非常急需的。近年来,在参加漆树品种及良种选育等调查研究过程中,曾收集和积累了一些材料,现先将漆花形态研究的结果报道于后: 相似文献
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漆树解剖学的研究——1.各类器官的内部结构(续篇) 总被引:1,自引:0,他引:1
<正> 三、叶的结构漆树的叶为奇数羽状复叶,其叶片和叶柄的结构如下: (一)叶片的结构漆树的叶为异面型叶。其结构由表皮、叶肉和叶脉三部分构成。(图13)表皮分上表皮和下表皮,都由一层表皮细胞构成。上表皮细胞横切面呈长方形,排列较整齐,外壁具明显的角质层,无气孔。 相似文献
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漆树解剖学的研究——1.各类器官的内部结构(前篇) 总被引:1,自引:0,他引:1
<正> 漆树(Rhus Verniciflua Stokes)是我国重要的经济植物之一,其次生产物——生漆是一种优良的天然涂料。为了改进漆树的栽培管理技术,制定合理的采割措施,选育优良品种,发展生漆生产,有必要对漆树的内部结构进行系统的研究。关于漆树的内部结构,Harada(1933)曾报道漆树及其同属植物5个种叶片的解剖特 相似文献
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<正> 为害漆树的枝干害虫主要有:天牛类、小蠹类、蚧类、叶蝉类和蚜等。分述如下:(一)天牛类在漆树枝干上寄生为害的天牛种类较多,初步收集的有:坡翅柳天牛 Pterolophiarigida Bates、四点象天牛 Mesosa myops Dalman、瘤胸簇天牛 Aristobia hispidaSaunders、黄纹小筒天牛 Phytoecia Comes Bates、双带粒翅天牛 Lamiomimus gottscheiKolbe、星天牛 Anoplophora chinensis F(?)rster、光肩星天牛 Anoplophora glabipe- 相似文献
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<正> 本文为漆树解剖学系统研究的第三篇报道。叙述其茎尖的结构、初生结构的分化,以及次生结构的形成过程。关于漆树茎的一般结构过去已有报道,但漆树茎的组织分化方面尚缺乏系统的研究。为此,我们对漆树茎的发育解剖学进行了一些研究,现将结果报道如下。 相似文献
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<正> 主要害虫有漆树叶甲、折带黄毒蛾、小蓑蛾、樗蚕、缀叶丛螟、金裳凤蝶等。 (一)漆树叶甲 Podontia lutea Olivier又叫漆树金花虫。是漆树叶片。的主要害虫之一。分布于陕西、湖南、四川、浙江、江西、贵州、云南、广东、广西、台湾等省。成、幼虫均能为害,严重时能将叶片全部吃光,仅剩主脉,对树木生长和生漆产量都有很大影响。形态特征(图6) 成虫:雌虫体长16~18毫米,雄虫13~15毫米;均为椭圆形,枵黄色,有金属光泽;触角11节,丝状,基部2~3节黄色,其余各节黑色;复眼黑色;前胸背板具点刻; 相似文献
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本文对不同采果期野漆果实中的漆蜡含量和漆蜡脂肪酸组成进行了分析。测试结果表明,随着果实的成熟度增加,它的蜡含量和脂肪酸中的二元酸含量都有所递增。 相似文献
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本文根据湖南四个漆树优良品种的不同生态环境要求,提出了各个品种在湖南生态地理适生区的意见,为湖南漆树良种化生态地理区划提供科学依据。 相似文献
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漆树漆汁道形态结构和特征研究(初报) 总被引:2,自引:1,他引:1
本文报道了利用透明和蜗牛酶提取液分离法研究漆树(Rhus verniciflua Stokes)树皮中漆汁道的形态结构和特征,提出了两种排列不同的分泌细胞;描述了盲管网状联接、多次分枝和并联等不同形态特征的漆汁道。 相似文献
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Lipids were extracted from representative tissues such as blood, brain, heart, kidney, liver, lung and spleen removed from 9 mammalian species of either sex in addition to the calf and embryonic pig; rat organs were pooled according to sex. The samples were saponified and the total fatty acids analyzed by GC under comparable conditions. By application of the Friedman statistic, a nonparametric procedure, organ-specific fatty acid profiles could not be discerned except possibly for canine heart and lung. Species variations in the acids of the organs screened were observed only for the embryonal pig and raccoon liver lipids. The biochemical or metabolic significance of these few exceptions is yet to be elucidated. The fatty acid differences according to sex were not remarkable in the rat. In studies of the association between fatty acid profiles and pairs of distinct organs as deduced by the Spearman rank correlation coefficients, kidney - spleen and heart - lung showed the highest correlation. Possibly, a significant degree of association of fatty acids among such organs as kidney, spleen, heart and liver can be inferred from the coefficients. 相似文献
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《分离科学与技术》2012,47(15):2067-2072
Abstract Studies on the extactability of gangliosides with various solvents have indicated a new behavioral feature of gangliosides concerning nonpolar solvents. It was shown, contrary to previous understandings, that gangliosides have an affinity for hexane as a nonpolar solvent. Among the three solvents studied, the highest recovery of gangliosides was indicated with hexane compared to methylene chloride and chloroform. It is believed that the nonpolar alkyl chain of hexane and various alkyl chains of the fatty acids on gangliosides exhibit a mutual affinity, leading to enhanced extractability. Recoveries of gangliosides were also enhanced by the addition of TEA to the extracting solvent. It appears that positive and negative forces of attractions on both molecules are factors which play a role on the recovery of gangliosides during extraction. 相似文献
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用聚丙烯酰胺凝胶电泳对31个四川漆树品种作过氧化物酶(P_x)同工酶分析。从252个样本的P_x 同工酶标本中分析出漆树 P_x 同工酶的八种基本谱型。经 x~2检验各谱型中最稳定的一级特征带推测是分别由一对等位基因控制,且这两对等位基因间无连锁关系。同一无性系植株谱型一致,可利用 P_x 同工酶作无性系鉴定的生化指标。各品种内谱型有变异。 相似文献