2019
DOI: 10.1590/1983-21252019v32n201rc
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REPRODUCTION OF Pratylenchus zeae AND P. brachyurus IN COVER CROPS

Abstract: This study aimed to evaluate the reproduction of Pratylenchus zeae and P. brachyurus in leguminous plants used as cover crops. Seedlings of sunn hemp (Crotalaria juncea and C. spectabilis), pigeon pea cultivar IPR 43 (Cajanus cajan), dwarf velvet bean (Mucuna deeringiana), black velvet bean (Stizolobium aterrimum), and jack bean (Canavalia ensiformis) were inoculated with each nematode separately. Maize cultivar IPR 114 and soybean cultivar Pintado were used as controls to measure the viability of the inoculat… Show more

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Cited by 7 publications
(5 citation statements)
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“…The resistance of pigeon pea 'IAPAR-43' to M. javanica was previously reported (Miamoto et al, 2016). Its use as a rotation crop with soybean is indicated because of its low susceptibility to Pratylenchus zeae Graham and P. brachyurus (Godfrey) Filipjev & Schuurmans Stekhoven (Santana-Gomes et al, 2019). However, our results showed that caution must be taken when using pigeon pea to control M. javanica, because, although its RF was lower than that of soybean, pigeon pea was susceptible to Mj-2 and Mj-7.…”
Section: Green Manure Speciesmentioning
confidence: 99%
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“…The resistance of pigeon pea 'IAPAR-43' to M. javanica was previously reported (Miamoto et al, 2016). Its use as a rotation crop with soybean is indicated because of its low susceptibility to Pratylenchus zeae Graham and P. brachyurus (Godfrey) Filipjev & Schuurmans Stekhoven (Santana-Gomes et al, 2019). However, our results showed that caution must be taken when using pigeon pea to control M. javanica, because, although its RF was lower than that of soybean, pigeon pea was susceptible to Mj-2 and Mj-7.…”
Section: Green Manure Speciesmentioning
confidence: 99%
“…The ability of M. javanica to infect a wide variety of hosts makes it difficult to select rotation crops for nematode control. Plants that are considered susceptible (RF > 1) should not be disregarded if their RF is lower than that of highly susceptible plants, such as soybean and maize, and especially if they provide other benefits, including N fixation, competition with weeds and high production of organic matter (Debiase et al, 2016;Santana-Gomes et al, 2019 For each parameter, means followed by the same lowercase letter in a column or uppercase letter in a row did not differ (P > 0.05) by Tukey's test. Data were transformed to √(x + 1) before analysis.…”
Section: Green Manure Speciesmentioning
confidence: 99%
“…P. brachyurus, according to Antonio et al (2012) and Santos et al (2019), show a considerable loss of more than 21% on grain production. The species P. brachyurus is an endoparasitic phytonematode; that is, it lives inside the roots of plants, causing damage to the roots due to its internal movement, feeding on tissues and injecting toxins into the roots, directly affecting the metabolism of the plants (Goulart, 2008;Bellé et al, 2017;Santana-Gomes et al, 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Alguns produtores utilizam a rotação de culturas com leguminosas em áreas tradicionalmente cultivadas com cana-de-açúcar, porque as leguminosas aumentam os teores de nutrientes no solo. C. juncea é a espécie mais utilizada nessas rotações devido ao seu alto rendimento(SANTANA-GOMES et al, 2019). O sistema de rotação cana-crotalária-cana utilizado em solo naturalmente infestado com uma mistura de P. zeae e P. brachyurus, no município de Goianésia-GO, reduziu as populações de nematoides em aproximadamente 48% e manteve essas populações em níveis relativamente mais baixos por mais tempo -aproximadamente 4 meses -em comparação com outros sistemas avaliados(SANTANA-GOMES et al, 2019).…”
unclassified
“…C. juncea é a espécie mais utilizada nessas rotações devido ao seu alto rendimento(SANTANA-GOMES et al, 2019). O sistema de rotação cana-crotalária-cana utilizado em solo naturalmente infestado com uma mistura de P. zeae e P. brachyurus, no município de Goianésia-GO, reduziu as populações de nematoides em aproximadamente 48% e manteve essas populações em níveis relativamente mais baixos por mais tempo -aproximadamente 4 meses -em comparação com outros sistemas avaliados(SANTANA-GOMES et al, 2019). As densidades populacionais de P. coffeae na cultura do chá foram suprimidas pela crotalária (WANG; SIPES;SCHMITT, 2002).…”
unclassified