provenances

Analysis on variations of the growth characters of seedlings breeded by the seeds of Liriodendron tulipifera during Seedling-period Young Growth Variation and Selection of Fast-growing Taxus chinensis var. mairei Provenances

北美鹅掌楸实生苗苗期生长性状变异分析南方红豆杉幼林生长种源变异和速生种源初选

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Genetic diversity and population structure of Robinia pseudoacacia provenances from middle Europe

欧洲刺槐种源群体遗传结构和多样性

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The results show that the differences of the preservation rate, growth characteristic and form quality among the provenances/ families of 4.5 years were remarkable or highly remarkable.

结果表明：参试种源/家系4.5年生的保存率、生长性状以及形质性状存在显著或极显著差异；

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Study of Tissue Culture and Regeneration System Establishment on Two Different Provenances of Siberian Elm

两种不同种源地榆树的组织培养及再生体系研究

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REE and trace element data supported the conclusion further. The chemical index of weathering ( CIW) as well as TiO 2 and Al 2 O 3 concentrations reflected a more intense weathering in the provenances of the shales in north part.

北部页岩明显偏高的TiO2和Al2O3含量以及化学风化指数（CIW）表明北部沉积物的源区经历了更强烈的风化作用。

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For wood characteristics, great variation was also found among the provenances.

此外,还发现红皮云杉材质性状在种源间也存在显著变异.

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Breeding of superior provenances and superior individuals of Melia azedarach for high toosendanin content

苦楝素含量高的苦楝优良种源及单株选育研究

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Its leaf semi-lethal temperature and supercool point temperature were-5.34℃ and-15.04℃, respectively, which were lower than those of the provenances from Wengyuan, Guangdong and Xincheng, Guangxi.

其叶片半致死温度为-5·34℃，过冷点温度为-15·04℃，均低于广东翁源和广西忻城种源。

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Through the microscopic identification of different provenances of Polygonum multiflorum Thunb indicate that the source of the tianyang vascular have a very large differences between with the other provenances, whose order was 2-layer, and abundant lignified. The other provenances was not obvious. 3.

通过显微鉴定不同种源何首乌观察显示田阳种源异型维管束与其他种源具有非常大的差异，其排列呈2层，且木质化程度较高，其他种源地差异不明显。

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The variation among provenances tended to be stable at the age of four or five, so the early selection could start from four or five years.

种源间生长的地理变异在4～5a后渐趋于稳定，11a生时已基本稳定，早期选择一般可以从4～5a开始。

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The water physiological characteristics and the mechanism of drought resistance of the 4 provenances of Azadirachta indica introduced from India were studied by analysing the growth and water physiological indices of these trees.

通过对印度引种的4个种源印楝的生长和水分生理指标进行测定分析，比较分析它们的水分生理特性及其抗旱机制。

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The Variation Comparison of Leaf Morphological and Physiological Characteristics Among Different Provenances of Cyclocarya paliurus Seedlings

不同种源青钱柳幼苗叶片形态、生理特征的差异性比较

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The stoma morphology, leaf development characteristics and leaf water-holding ability of Cylocarya paliurus seedlings from three provenances were investigated after salt treatments.

处理对青钱柳幼苗叶气孔形态、发育特征和保水能力的影响。

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Winds with continental provenances frequently have a higher dust content than those with maritime provenances.

来自大陆的风比来自海洋的风通常具有更高的尘埃含量.

词典精选例句

Effects of the Drought Stress on Physiological Characteristics of Two Cerasus humilis Provenances

干旱胁迫对2个欧李种源生理特征的影响

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A Comparative Study on photosynthetic Characters of Different provenances of Chinese Fir

不同种源杉木光合性状的比较研究

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Karyotype Analysis and Evolutional Trend of Geographical Provenances of Arborvitae in China

中国侧柏地理种源核型分析与进化趋势

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The Difference Analysis of Seed Field Garden Germination in Paulownia from Different Provenances

不同种源泡桐种子场圃发芽率差异分析

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Differences in Morphological Characteristics and Seeding Quality of Melia azedarach Seeds from Different Provenances Provenance Variation in Growth, Stem-Form and Wood Density of Masson Pine at 24-Year-Old and the Provenance Division

不同种源苦楝种子形态特征和播种品质差异研究24年生马尾松生长、形质和木材基本密度的种源变异与种源区划

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The results indicated that height growth and the amount of P uptake increased diversely with phosphorus raise for the provenances tested.

研究表明，随着溶液P素浓度的升高，马尾松各参试种源的苗高生长、P素吸收总量均有不同程度的增加，但其变化因种源而异。

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Genetic variation of growth and form in Schima superba provenances with selection for wood processing materials

木荷生长与形质地理变异和木制工艺材种源选择

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The selected provenances'mean height, DBH, individual volume was 8.12 m , 12.49 cm , 0.0552 m 3 , respectively.

入选种源平均树高8.12m, 平均胸径12.49cm;平均单株材积 0.0552m3.

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There was great difference in growth of Azadirachta indica from different geographical provenances.

不同地理种源的印楝生长差异很大；

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The dynamic changes of the main active substance ( total flavonoids) and general nutrients ( solubility proteins 、 amino acid and soluble sugar) contents in the leaves of different Vaccinium bracteatum provenances were studied in the paper.

本试验对20个不同种源乌饭树嫩叶中主要活性物质（总黄酮）和一般营养成分（可溶性蛋白、游离氨基酸、可溶性总糖）的含量进行了研究。

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The genetic responses of 13 alder ( Alnus cremastogyne ) provenances was evaluated for at 5 test locations.

对桤木13个种源在5个测试点进行了生长性状的遗传测定.

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It is the first time to report that it has big difference in the content of nitrate reductase, soluble protein and plant growth among the provenances.

首次报道了红皮云杉种源生长性状与硝酸还原酶活性、以及可溶性蛋白含量的遗传变异和遗传相关的结果。

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