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Selection of processing tomato genotypes resistant to two spotted spider mite Horticultura Brasileira
Zanin,Daniel S; Resende,Juliano TV; Zeist,André R; Oliveira,João RF; Henschel,Juliane M; Lima Filho,Renato B.
ABSTRACT One of the major problems in cultivation of tomato is the occurrence of pests and diseases. The objective of the research was to select genotypes from the second generation of the first backcross (F2BC1) between the tomato cultivar for processing S. lycopersicum (cv. Redenção) and the wild access S. habrochaites var. hirsutum (PI-127826), with high levels of zingiberene (ZGB), resistant to the twospotted spider mite Tetranychus urticae (Acari: Tetranychidae). From the F2BC1 population. The ZGB content was quantified and five plants with high zingiberene selected (RVTZ 2011-079-117, RVTZ 2011-079-185, RVTZ 2011-079-335, RVTZ 2011-079-345 and RVTZ 2011-079-503) and four with low zingiberene content (RVTZ 2011-079-417, RVTZ 2011-331-460, RVTZ...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersicum; Solanum habrochaites var. hirsutum; Tetranychus urticae; Genetic breeding; Zingiberene.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000200271
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Salicylic acid treatments induce resistance to Tuta absoluta and Tetranychus urticae on tomato plants Horticultura Brasileira
Pulga,Paulo Sérgio; Henshel,Juliane Maciel; Resende,Juliano Tadeu Vilela de; Zeist,André Ricardo; Moreira,Aline Fabiana Paladini; Gabriel,André; Silva,Mayara Barbosa; Gonçalves,Leandro Simões Azeredo.
ABSTRACT This study was performed to evaluate the effect of exogenous application of salicylic acid as a resistance inducer to two-spotted spider mite and tomato pinworm on tomato genotypes. Bioassays were carried out in three commercial genotypes (‘Redenção’, ‘Giuliana’, and ‘Alambra’) and one wild genotype (Solanum habrochaites var. hirsutum, accession PI-127826). Average distance travelled by the two-spotted spider mite and number of eggs deposited over the leaflets of the genotypes were investigated. Concerning pinworm bioassay, number of eggs, leafminers on leaflet surface and percentage of leaf area consumed by leafminers were evaluated using a scanner. Furthermore, severity of attack to plants was evaluated by score scale for damages, types of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum habrochaites var. hirsutum; Tuta absoluta; Tetranychus urticae; Methyl salicylate; Induced resistance.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362020000300288
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Synthetic acylsugars and their effects on the control of arthropod pests Ciência e Agrotecnologia
Gomes,Anni Cristini Silvestri; Cardoso,Maria das Graças; Resende,Juliano Vilela; Thomasi,Sérgio Scherrer; Soares,Luana Isac; Ferreira,Antônio Gilberto.
ABSTRACT One of the main problems facing agriculture is the loss of production as a result of the attack of agricultural pests. Alternative ways to work around this problem are being sought. There are substances called acylsugars that are naturally produced by the wild tomato species S. pennellii and affect arthropod pests. The objectives of this work were to synthesize two acylsugars and assess the biological effect of these on the arthropod pests Bemissia tabaci and Tetranycus urticae. The syntheses were performed via the reactions of glucose and sucrose (saccharose) with acetic anhydride using sodium acetate as the catalyst. The products of these reactions were sucrose octa-acetate and glucose penta-acetate, the structures of which were confirmed by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum pennellii; Solanum habrochaites var. hirsutum; Sugar esters; Bemisia tabaci; Tetranychus urticae..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000200201
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