provenances是什么意思

The test also showed there was no significant correlation between genetic and geographic distances among provenances .

研究还表明，种源间的遗传距离与其地理距离相关不显著。

The results showed that there was very significant difference for cold tolerance among the three Acacia species and their provenances.

结果表明：在树种和种源层次上，3种相思耐寒性变异均达极显著差异；

Wood and its pulping properties can be affected obviously by difference of provenances of trees.

无论是从林业角度还是在制浆性能方面，不同种源间存在明显差异。

Results show that there are certain variation and selection potentials in the populations and provenances of the species.

结果表明上述性状在天然群体和种源试验林群体中都存在一定变异，具有一定选择潜力。

On the collectors' side, the old provenances once claimed for the items can look implausible in hindsight.

从收藏者的角度来说，原来宣称的文物的古老出处事后来看可能非常可疑。

Among 14 provenances of Australia, the ones from Victoria grow better than ones from New South Wales.

在14个澳大利亚种源中，多数的维多利亚种源较新南威尔士种源生长好。

An approach to seedling growth rhythm from different provenances of Pterocarya stenoptera C. DC .

枫杨种源苗期生长节律的初步研究。

The tested provenances significantly differed in weight per 1000 seed 's, laboratory seed germination and growth traits at seedling stage.

枫杨种子千粒重及室内发芽率均存在明显的地理种源差异。

Differences among Pinus sylvestris provenances were observed at one year of age but not at two years .

欧洲赤松种源间的差异仅在一年生时可以看到，两年生时就看不到。

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。

Provenances selection and afforestation technique of Fraxinus mandshurica Rupr .

水曲柳优良种源选择及造林技术。

The activities of the protecting enzyme System of the 3 provenances had ascended under drought stress.

干旱胁迫下3个种源的保护酶系统活性总体呈上升趋势。

With clustering analyses, 12 provenances of Chinese tulip was classified into two groups.

通过聚类分析，可将中国鹅掌楸12个种源分为两大类。

A cluster analysis can divide Pinus massoniana provenances into 3 types: the extremely fast-growing, fast-growing and medium.

聚类分析研究将马尾松种源分为极速生、速生和中等3种类型；

The provenances decision ability analysis in 7 locations shows that L_5, L_6 possessed a superior genotype ability.

七个试点对种源判别能力分析表明，以L_5、L_6具有较强的判别优良基因型的能力。

Seeds of China-fir were obtained from 42 provenances in 13 provinces of China.

杉木种子来自中国13省区之42个种源。

the cold resistant capability has no distinct difference among neem provenances;

印楝种源间抗寒能力差异不显著；

A Study on Variation of Growing Traits of Young Choerospondias axillaris Forest in Its Geographic Provenances and Its Provenance selection

南酸枣地理种源幼林生长性状变异和种源选择

the growth performances of these provenances were remarkably related to longitude and latitude of their sources;

大果紫檀各种源的生长表现与其产地的经纬度呈现明显的相关性；

Anatomical Structure and Its Relation to Drought-Resistance for Provenances of Platycladus orientalis

不同种源侧柏鳞叶解剖构造及其与抗旱性的关系

Study on Mineralogical Characteristics of Turquoise Samples from Different Provenances by Non-destructive Analysis

不同产地绿松石无损检测及岩相结构特征研究

Variation Analyses of Tree Growth and Wood Properties among Slash Pine Provenances and Comprehensive Selection of Superior Provenance

湿地松种源生长量、材性的变异与优良种源综合选择

Study on Early Growth of Castanopsis hystrix Provenances from Its Central Distribution

红锥中心分布区种源早期生长研究

Assemblages, Provinces and Provenances of Heavy Minerals on the Shelf of the Southern Yellow Sea and Northern East China Sea

南黄海和东海北部陆架重矿物组合分区及来源

Response Functions of Masson Pine Provenances to Different Environment and Suitable Range for Superior Provenances

马尾松不同种源对环境的反应函数和优良种源的合理布局

Genetic Variation of Paulownia Provenances Resistance against Paulownia witches'Broom

泡桐种源抗丛枝病性状的遗传变异

Analysis of the growth and cold resistance in seedling stage for species - provenances of Lespedeza bicolor

胡枝子种-种源苗期生长和抗寒性分析

Effects of drought stress on lipid peroxidation and protective enzyme systems in leaf of Toona sinensis from different provenances

干旱胁迫对不同种源香椿叶片膜脂过氧化和保护酶系统的影响

Study on Variations of Young Forest Growing Traits of Choerospondias axillaris Geographic Provenances

南酸枣地理种源幼林生长性状变异研究

Geographical Differentiation for Seedling Growth and Morphology of Manglietia yuyuanensis Provenances

乳源木莲苗生长和形态的地理种源分化

provenances

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