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Resistance of processing tomato genotypes to leafminer (Tuta absoluta) Horticultura Brasileira
Dias,Diego M; Resende,Juliano TV de; Zeist,André R; Gabriel,André; Santos,Matheus H; Vilela,Nathalia C.
ABSTRACT Tomato crop presents several obstacles that hinder its cultivation, especially the tomato leafminer Tuta absoluta (Lepidoptera: Gelechiidae). To reduce damages caused by this pest, the development of resistant cultivars is one of the main alternatives. In this study we aimed to select tomato genotypes with high acylsugar contents and resistant to tomato leafminer. For this, contrasting F2RC1 genotypes for allelochemical contents, resulting from the interspecific cross between cultivar Redenção with processing characteristics, and the wild species Solanum pennellii accession ‘LA-716’, with high acylsugar contents, were submitted to a test of resistance to tomato leafminer with 14 treatments, being eight genotypes with high acylsugar content and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersicum; Solanum pennellii; Allelochemical; Resistance to insects; Acylsugars.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362019000100040
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Resistance to Enneothrips flavens Moulton and genetic parameters estimation in interspecific genotypes of peanut. Repositório Alice
PIROTTA, M. Z.; SILVA, F. M. da; MICHELOTTO, M. D.; FAVERO, A. P.; GODOY, I. J. de; UNEDA-TREVISOLI, S. H..
Peanut is an oilseed crop of great importance for Brazilian agribusiness. A major factor affecting its production is pest incidence, mainly thrips. This study aimed to evaluate the potential for resistance to Enneothrips flavens in genotypes derived from the cross between IAC 503 and the amphidiploid (A. magna x A. cardenasii)4x and to estimate the genetic and phenotype parameters in these genotypes, allowing for better targeting in the selection. The experiments were conducted in a Federer augmented block design with additional checks in two generations (F3 and F4). Resistance to thrips was evaluated by its natural infestation and the symptoms of attacks by the insect. They were also evaluated using agronomic trait indicators of interspecific segregating...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Resistance to insects; Thrips; Arachis hypogaea L.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1074302
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Resistance to Enneothrips flavens Moulton and genetic parameters estimation in interspecific genotypes of peanut Agronomy
Pirotta, Melina Zacarelli; Silva, Fabiana Mota da; Michelotto, Marcos Doniseti; Fávero, Alessandra Pereira; Godoy, Ignácio José de; Unêda-Trevisoli, Sandra Helena.
 Peanut is an oilseed crop of great importance for Brazilian agribusiness. A major factor affecting its production is pest incidence, mainly thrips. This study aimed to evaluate the potential for resistance to Enneothrips flavens in genotypes derived from the cross between IAC 503 and the amphidiploid (A. magna x A. cardenasii)4x and to estimate the genetic and phenotype parameters in these genotypes, allowing for better targeting in the selection. The experiments were conducted in a Federer augmented block design with additional checks in two generations (F3 and F4). Resistance to thrips was evaluated by its natural infestation and the symptoms of attacks by the insect. They were also evaluated using agronomic trait indicators of interspecific segregating...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.03.05-9 Arachis hypogaea L.; Thrips; Resistance to insects; REML/BLUP; Melhoramento Vegetal.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32776
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Selection of sweet potato clones for the region Alto Vale do Jequitinhonha Horticultura Brasileira
Andrade Júnior,Valter C de; Viana,Daniel JS; Fernandes,José SC; Figueiredo,José A; Nunes,Ubirajara R; Neiva,Irã P.
An experiment was carried out from December 2005 to July 2006, in the Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), in Diamantina, Minas Gerais State, Brazil, aiming at selecting sweet potato clones for the Alto Vale do Jequitinhonha. We evaluated nine clones from the UFVJM germplasm bank, using cultivars Brazlândia Branca, Brazlândia Roxa, and Princesa as controls. The experimental design was blocks at random, with four replications. Plants were harvested seven months after transplanting. We assessed the fresh mass yield of vines and roots, as well as root shape and resistance to soil insects. Genotypes did not differ from each other for the fresh mass yield of vines (ranging from 3.81 to 11.76 t ha-1). The total yield of roots ranged...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ipomoea batatas; Yield; Quality; Resistance to insects.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362009000300024
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