探索南古吉拉特邦天然原种芒果种质的形态和品质特征变异性

IF 1.6 3区 农林科学 Q2 AGRONOMY
Nikita Patel, Y. N. Tandel, D. A. Chauhan, A. I. Patel
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引用次数: 0

摘要

为了确定 2021-2023 年期间南古吉拉特邦五个地区(纳夫萨里、瓦尔萨德、当、塔皮和苏拉特)当地芒果幼苗基因型的多样性,使用 IPGRI 芒果描述符在果园或后院发现了这些基因型。对遗传资源的发掘是为了找到替代该州现有品种的基因型,以维持未来的芒果生产。采用完全随机设计法,对 113 株芒果幼苗进行了鉴定,并根据 7 项定性参数、12 项定量参数和 6 项生化参数对其进行了定性,其中定量参数有三次重复。在定性、定量和生化参数方面,观察到不同基因型之间存在很大差异。根据果重(200 克)、果肉率(60.00%)、总糖度(20 °Brix)、货架期(7 天)和总体可接受性(7 分)这五个重要的商业性状,确定了 10 个优良基因型。遗传变异性表明,在成熟果重、果实长度、果实宽度、果肉重量、果皮重量、果核重量、总悬浮固体含量、酸度、抗坏血酸、总糖、还原糖和非还原糖这 12 个数量特征方面,遗传率较高,遗传进展占平均值的百分比也较高。前三个主成分占总变异的 70.21%,成熟果重、果实长度、果实宽度、果肉重量、果皮重量和果核重量等特征对种质多样性的贡献最大。分层聚类分析结果显示,基因型被分为三个群组,其中第 III 群组(20 个)和第 I 群组(39 个)中的基因型差异最大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Exploring variability for morphological and quality traits in natural seedling origin mango germplasm of South Gujarat

Exploring variability for morphological and quality traits in natural seedling origin mango germplasm of South Gujarat

In order to determine the diversity in local seedling origin mango genotypes from different five districts (Navsari, Valsad, Dang, Tapi and Surat) of South Gujarat region during 2021–2023, which have been found in orchards or backyards by using IPGRI mango descriptor. The exploration of genetic resources was carried out to find alternative genotype against prevailing varieties in the state and it sustain mango production in future. A total of 113 mango seedlings were identified and characterized on basis of 7 qualitative, 12 quantitative and 6 biochemical parameters using Completely Randomized Design with three replications of quantitative characteristics. High variation among genotypes was observed with respect qualitative, quantitative and biochemical parameters. Ten superior genotypes were identified based on five commercially important traits viz., fruit weight (> 200 g), pulp percentage (> 60.00%), TSS (> 20 °Brix), shelf life (> 7 days) and overall acceptability (> 7 point). The genetic variability revealed that higher heritability coupled with higher genetic advance as per cent of mean for 12 quantitative characteristics namely mature fruit weight, fruit length, fruit width, pulp weight, peel weight, stone weight, TSS, acidity, ascorbic acid, total sugars, reducing sugars and non-reducing sugars. The First three Principal component contributed 70.21% of total variation and characters such as mature fruit weight, fruit length, fruit width, pulp weight, peel weight and stone weight most contributing towards diversity in germplasm. Hierarchical cluster analysis resulted the genotypes was grouped into three clusters and genotypes present in cluster III (20) and cluster I (39) had found most divers from each other.

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来源期刊
Euphytica
Euphytica 农林科学-农艺学
CiteScore
3.80
自引率
5.30%
发文量
157
审稿时长
4.5 months
期刊介绍: Euphytica is an international journal on theoretical and applied aspects of plant breeding. It publishes critical reviews and papers on the results of original research related to plant breeding. The integration of modern and traditional plant breeding is a growing field of research using transgenic crop plants and/or marker assisted breeding in combination with traditional breeding tools. The content should cover the interests of researchers directly or indirectly involved in plant breeding, at universities, breeding institutes, seed industries, plant biotech companies and industries using plant raw materials, and promote stability, adaptability and sustainability in agriculture and agro-industries.
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