搜索结果: 1-10 共查到“农学 provenance”相关记录10条 . 查询时间(0.07 秒)
Results of Czech ash provenance experiment
alluvial ecotype common ash height and diameter growth narrow-leaved ash progeny testing scree ecotype
2018/3/6
This study is focused on testing progenies of common and narrow-leaved ash based on the measurement of provenance
trial plots established in various forest regions under different site conditions wit...
Evaluation of the provenance plot “Hrubá Skála” (Northern Bohemia) with grand fir at the age of 36 years
Abies grandis growth qualitative traits quantitative traits IUFRO
2017/4/6
The article aims to evaluate the research provenance plot established in 1980 in locality No. 214 – Hrubá Skála (in the north of the Czech Republic), where nine provenances of grand fir (Abies grandis...
Results of 20 years old Douglas-fir provenance experiment established on the northern slopes of Rila Mountain in Bulgaria
Pseudotsuga menziesii introduction
2015/5/5
The purpose of this study is to facilitate the detection of provenances relevant to the reforestation practice
in Bulgaria. Studies were carried out in a Douglas-fir provenance trial plantation esta...
Investigation of Douglas-fi r provenance test in North-Western Bulgaria at the age of 24 years
adaptation Phaeocryptopus gaeumannii provenances
2015/5/5
A comparative analysis of growth rate and health condition of 54 Douglas-fir (Pseudotsuga menziesii
[Mirb.] Franco) provenances was conducted at the age of 24 years. The provenance test was establis...
Evaluation of twenty-years-old pedunculate and sessile oak provenance trial
Czech Republic evaluation pedunculate oak provenance research sessile oak variability in height and diameter growth
2015/3/27
This paper deals with the measurement and evaluation of pedunculate and sessile oaks on five provenance trial plots located in the forest regions Západočeská pahorkatina, Jihočeská pánev, Ho...
Effects of microsite variation on growth and adaptive traits in a beech provenance trial
experimental design Fagus sylvatica geostatistics microsite variation provenance research, spatial variation
2015/3/27
The effects of the within-trial spatial variation of environmental factors on phenotypic traits were studied in the Slovak plot of the international beech provenance trial coordinated by BFH Grosshans...
Addressing spatial variability in provenance experiments exemplified in two trials with black spruce
Picea mariana (Mill.) provenance research REML spatial variation
2015/3/6
Two exemplary black spruce (Picea mariana [Mill.] B.S.P.) provenance trials were analyzed using traditional and spatial techniques. The objective was to find out possible differences between these app...
Variation in Growth of 20-Year-Old Provenance Trial of Sitka spruce（Picea sitchensis（Bong.）Carr.）in Great Britain
Sitka Spruce Site-Seed Origin-Provenance Growth Rate-Tree Volume-Tree Diameter at Breast Height
2009/1/14
Variation in growth of the cambial age (tree diameter) and tree volume was investigated in eight seed origins of Sitka spruce Picea sitchensis (Bong.) Carr.) grown at two sites in Great Britain. The ...
Provenance Variations in 3-Year-Old Lebanon Cedar（Cedrus libani A. Rich）Seedlings
Cedrus libani Provenance Seedling Nursery Morphological properties
2009/1/14
This research was realized to study the morphological characteristics of 3-0 years old seedlings, obtained from seeds, which were collected from 22 Lebanon cedar seed stands. The seedlings were grown ...
Estimation of Barley Seed Vigour with Respect to Variety and Provenance Effects
germination seed vigour variety provenance controlled deterioration
2014/3/13
The study was aimed at determining potential differences in seed quality of spring and winter barley in relation to varieties (four winter and two spring barley varieties) and growing conditions (six ...