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HOST SUITABILITY OF PIGEON PEA FOR HETERODERA GLYCINES RACE 2

机译:鸽子豌豆对杂二甘氨酸第2场的适应性

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Soybean cyst nematode, Heterodera glycines, was recently discovered in Puerto Rico. Pigeon pea is a major crop in Puerto Rico, but little is known concerning the host suitability of pigeon pea for H. glycines. The purpose of this research was to increase the understanding of the host suitability of pigeon pea for H. glycines. Ten pigeon pea cvs. were evaluated in three assays (two field and one greenhouse) for host suitability to the Isabela, Puerto Rico race-2 population of H. glycines. The field assays, a onereplication potted trial and a two-replication plot trial, were done in a H. glycines-infested "Coto" clay soil. The greenhouse assay had six replications and used artificially infested crushed gravel as the potting medium. A few white females were observed on roots of pigeon pea cvs. I-8-3-2, I-13, Cortada, and II-56 in the infested field assays, but none were observed on cvs. PR-147, I-58-3, Blanco de Yauco, Guerrero, I-8-3-1, and Kaki. No H. glycines females were recovered on any pigeon pea cv. in the greenhouse assay. These data indicate that four cultivars are highly resistant, whereas the other six may be immune. Additional studies with other cvs. and races are necessary to fully understand the host suitability of pigeon pea for H. glycines.
机译:最近在波多黎各发现了大豆囊肿线虫Heterodera甘氨酸。木豆是波多黎各的主要农作物,但关于木豆宿主对甘氨酸的适宜性知之甚少。这项研究的目的是为了增加对木豆宿主宿主对甘氨酸羟化酶适应性的了解。十只豌豆豌豆。在三种测定法(两个田地和一个温室)中评估了宿主对伊斯贝拉,波多黎各种族2甘氨酸的种群的适应性。田间试验是在H.甘氨酸感染的“ Coto”粘土中进行的一次重复盆栽试验和两次重复地块试验。温室测定法重复六次,并使用人工侵染的碎石作为盆栽培养基。在木豆cvs的根部观察到一些白人女性。在侵染的田间试验中,I-8-3-2,I-13,Cortada和II-56,但在cvs上未观察到。 PR-147,I-58-3,Blanco de Yauco,Guerrero,I-8-3-1和Kaki。在任何木豆cv上均未发现H.甘氨酸雌性。在温室试验中。这些数据表明四个品种具有高度抗性,而其他六个品种可能具有免疫力。与其他简历一起进行的其他研究。为了充分了解木豆对H.甘氨酸的适应性,必须进行种族竞赛。

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