一些波斯核桃栽培品种的产量相关性状：遗传和遗传与环境相互作用的分析

Q3 Agricultural and Biological Sciences

Advances in horticultural science Pub Date : 2024-01-18 DOI:10.36253/ahsc-13749

A. Soleimani, V. Rabiei, D. Hassani, M. Mozaffari, R. Dastjerdi

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引用次数: 0

摘要

核桃等树种最重要的性状是产量。本研究评估了基因型及其与年份的交互作用对 Caspian、Persia、Alvand 和 Chaldoran 核桃栽培品种的坚果重量、核仁重量、核仁率、坐果率、棚架（冠层）横截面积（SCA）上的坚果数量、SCA 上的坚果重量和 SCA 上的核仁重量的影响。结果表明，年份、基因型和年份×基因型交互作用对所有性状的影响都很显著。结果表明，Alvand 的坚果数（41.8 个/平方米）和坚果重（472.1 克/平方米）在（SCA）上最高。果仁重量和果仁率的遗传力（H2b）估计分别为 0.75 和 0.80。坐果率的遗传力 H2b 值最低（0.36）。性状间的遗传和表型相关性分析表明，坚果重（rg = 0.31，rp = 0.27）与 SCA 的相关性中等，与果仁重（rg = 0.34，rp = 0.29）的相关性相同。GGE 双图分析解释了大部分现有变异（大于 90%）。所有性状的遗传效应（PC1）均高于遗传 × 环境交互作用（PC2），尤其是果仁率（94.4%）以及坚果和果仁的数量和重量对 SCA 的影响（>90%）。PC1 值最低的是坐果率（65.6%），表明该性状受遗传 × 环境交互作用的影响较大（21.8%）。因此，这一结果表明核桃的产量相关性状与环境（本研究中的年份）高度相关，在这种情况下评估新的栽培品种需要谨慎。

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Yield related traits in some Persian walnut cultivars: Analysis of genetic and genetic by environment interaction

The most important trait in tree species, including walnut, is the yield. In this study, the effect of genotype and their interaction with year on Nut weight, Kernel weight, Kernel percentage, Fruit set, Nuts number on Scaffold (Canopy) Cross Area (SCA), Nut weight on SCA and Kernel weight on SCA were evaluated on Caspian, Persia, Alvand, and Chaldoran walnut cultivars. The results showed that the effects of year, genotype, and year × genotype interaction on all traits were significant. The results showed that Alvand had the highest number of nuts (41.8 per m2) and nut weight (472.1 g/m2) on (SCA). Heritability (H2b) for kernel weight and kernel percentage, were estimated 0.75 and 0.80, respectively. The lowest value of H2b (0.36) was belong to fruit set. The analyses of genetic and phenotypic correlations between traits showed that, the nut weight had (rg = 0.31, rp = 0.27) a moderate correlation with SCA same as kernel weight (rg = 0.34, rp = 0.29). The GGE biplot analysis explained most of the existing variations (>90%). The genetic effect (PC1) for all traits were higher respect to the genetic × environment interaction (PC2), especially for the kernel percentage (94.4%) and number and weight of nut and kernel on SCA (>90%). The lowest value of the PC1 was related to the fruit set (65.6%), which indicates the trait was more affected by genetic × environment interactions (21.8%). So, this result showed that the yield-related traits in walnut is highly relevant to environment(year in this study) and evaluation of the new cultivars needs careful attention in this case.

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来源期刊

Advances in horticultural science Agricultural and Biological Sciences-Horticulture

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Advances in Horticultural Science aims to provide a forum for original investigations in horticulture, viticulture and oliviculture. The journal publishes fully refereed papers which cover applied and theoretical approaches to the most recent studies of all areas of horticulture - fruit growing, vegetable growing, viticulture, floriculture, medicinal plants, ornamental gardening, garden and landscape architecture, in temperate, subtropical and tropical regions. Papers on horticultural aspects of agronomic, breeding, biotechnology, entomology, irrigation and plant stress physiology, plant nutrition, plant protection, plant pathology, and pre and post harvest physiology, are also welcomed. The journal scope is the promotion of a sustainable increase of the quantity and quality of horticultural products and the transfer of the new knowledge in the field. Papers should report original research, should be methodologically sound and of relevance to the international scientific community. AHS publishes three types of manuscripts: Full-length - short note - review papers. Papers are published in English.