番茄杂交种间的农艺变异性及其多元分析

IF 0.7 4区 农林科学 Q4 HORTICULTURE Horticultura Brasileira Pub Date : 2022-01-01 DOI:10.1590/s0102-0536-20220107
S. M. Azevedo, D. C. D. Souza, P. C. Ossani, Synara Silva, Carlos Henrique Carvalho Souza, Andressa S de Oliveira, Sylmara Silva, V. C. A. Andrade Júnior
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引用次数: 2

摘要

摘要番茄是经济、社会和营养最重要的蔬菜之一,具有很高的附加值。这种文化为生产者带来了高利润,但它是一种高风险的活动,特别是由于一些品种对气候条件以及攻击文化的多种瘟疫和疾病的敏感性。因此,寻找对生物和非生物因素更具耐受性的新杂交种对于满足文化生产链的需求至关重要。这项工作的目的是证明多变量和单变量技术在评估沙拉组番茄植物杂交种之间的相似性水平方面的重要性,目的是诊断与分析的变量相关的可能组。对来自沙拉组的23个番茄杂交种进行了评估;其中9个是商业杂交种,14个是实验杂交种。在整个实验过程中,对培养物的生产特性以及果实的特性和植株的农艺特性进行了评估。对于果实的生产性状和特性,进行了多因素分析,并通过Scott Knott检验对平均值进行了比较。对于植株的农艺性状,采用探索性数据分析和对应分析相结合的方法。所研究的商业杂交种之间存在高度相似性,77%以上的材料与其他材料具有强烈或高度相似性。同时,对于实验杂交种,只有42.86%的材料出现了这种结果。与所研究的其他材料相比,实验杂化物3124、3139和3126表现出更高的发散性。因此,建议他们增加番茄育种计划的遗传基础。
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Agronomic variability among hybrids of tomato plant with emphasis on the multivariate analysis
ABSTRACT The tomato is one of the most economically, socially and nutritionally important vegetables, presenting high added value. The culture allows high profit for the producers, but it is a high risk activity due to, specially, the sensibility of some varieties to climate conditions as well as multiple plagues and diseases that attack the culture. Therefore, the search for new hybrids with more tolerance to biotic and abiotic factors is extremely important to attend to the demand of the culture’s productive chain. The objective of this work was to demonstrate the importance of multivariate and univariate techniques in evaluating the level of similarity among hybrids of the tomato plant of the salad group with the purpose of diagnosing possible groups in relation to the variables analyzed. A total of 23 hybrids of tomato from the salad group were evaluated; of those, 9 were commercial hybrids and 14 were experimental hybrids. Throughout the conduction of the experiment, the productive characters of the culture were evaluated as well as the characteristics of the fruits and the agronomic characters of the plant. For the productive characters and the characteristics of the fruits, the multiple factor analysis was performed, and the averages were compared by the Scott-Knott test. For the agronomic characters of the plant, the exploratory data analysis was used with the correspondence analysis. The commercial hybrids studied present a high degree of similarity among them, with more than 77% of the materials with strong or high similarity with the other materials. Meanwhile, for the experimental hybrids, this result is seen in only 42.86% of the materials. The experimental hybrids 3124, 3139, and 3126 present higher divergence when compared to the other materials studied. They are, therefore, recommended to increase the genetic base of the tomato plant’s breeding program.
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来源期刊
Horticultura Brasileira
Horticultura Brasileira 农林科学-园艺
CiteScore
1.40
自引率
28.60%
发文量
45
审稿时长
4-8 weeks
期刊介绍: The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.
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