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首页> 外文期刊>Nematropica >DESARROLLO POSTEMBRIONARIO DE CACTODERA GALINSOGAE (TYLENCHIDA: HETERODERINAE) EN CEBADA (HORDEUM VULGARE L.) Y EL PAPEL DE MALEZAS COMO HOSPEDANTES
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DESARROLLO POSTEMBRIONARIO DE CACTODERA GALINSOGAE (TYLENCHIDA: HETERODERINAE) EN CEBADA (HORDEUM VULGARE L.) Y EL PAPEL DE MALEZAS COMO HOSPEDANTES

机译：大麦（大麦）中仙人掌小孢子（TYLENCHIDA：Heteroderinae）的胚后发育和杂草作为寄主的作用

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Tovar-Soto, A., I. C. Del Prado-Vera, M. Gutierrez-Aguilar, J. Garcia-Zuniga, and K. Evans. 2008. Postembryonic development of Cactodera galinsogae (Tylenchida: Heteroderinae) in barley (Hordeum vulgare L.) and the role of weeds as hosts. Nematropica 38:145-153. During 2005, two field assays were carried out in Singuilucan, Hidalgo, Mexico, with the purpose of establishing the development time of Cactodera galinsogae life cycle phases in barley roots of the locality type. The first assay consisted in broadcast planting seeds of barley cv. Esmeralda over a 25 m2 experimental plot at a sowing density of 200 kg ha-1. Every seven days from sowing date to the conclusion of the barley cycle, a soil and a plant sample was collected. In parallel with this assay, a secon experiment was conducted to evaluate the effect of C. galinsogae on two barley varieties. All the weed species grown during the barley crop cycle were collected every seven days. In the first assay, the second stage juveniles (J2) were found in the soil, from the sowing date and during all the samplings carried out. Likewise, the juveniles J2 were observed in the root from the seventh day and until the last sampling. Juveniles (J3) and (J4) appeared within the roots at 21 and 28 days, respectively. The white females adhered to the roots and males in soil were found at 42 days. At 56 days, females with eggs and the first cysts adhered to the root were detected. In the second assay, 20 weed species grown in the barley fields of the zone were identified, belonging to 13 botanical families. The nematode reproduced best on Galinsogae parviflora and Bidens odorata, followed by Bidens ballsii and Bidens serrulata, members of Asteraceae. C. galinsogae also reproduced on barley and wild oats, members of Poaceae.
机译：Tovar-Soto，A.，I.C。Del Prado-Vera，M。Gutierrez-Aguilar，J。Garcia-Zuniga和K.Evans。 2008年。大麦（大麦属大麦）中Cactodera galinsogae（Tylenchida：Heteroderinae）的胚后发育以及杂草作为寄主的作用。 Nematropica 38：145-153。在2005年期间，在墨西哥Hidalgo的Singuilucan进行了两次野外试验，目的是确定局地型大麦根中Cactodera galinsogae生命周期阶段的发育时间。第一种测定法是播种大麦简历。埃斯梅拉达（Esmeralda）在25平方米的试验区上，播种密度为200千克ha-1。从播种日期到大麦周期结束，每隔7天收集一次土壤和植物样品。与此测定同时进行的是secon实验，以评价半乳糖梭菌对两种大麦品种的影响。每7天收集一次大麦作物周期中生长的所有杂草物种。在第一个分析中，从播种日期开始以及在进行所有采样期间，在土壤中发现了第二阶段的幼虫（J2）。同样，从第7天到最后一次采样，在根中都观察到了少年J2。幼虫（J3）和（J4）分别在第21天和28天出现在根中。在第42天发现白色雌性附着在根上，雄性则在土壤中。在第56天，检测到雌性带卵和第一个囊肿附着在根部的雌性。在第二次测定中，鉴定出在该地区大麦田中生长的20种杂草物种，属于13个植物科。线虫在细小变种Galinsogae parviflora和Bidens odorata上繁殖最好，其次是菊科成员Bidens ballii和Bidens serrulata。 C. galinsogae也复制于禾本科的大麦和野燕麦上。

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