Survey of Plant-Parasitic Nematode Genera Associated with Potato Plants at Dakahlia Governorate, Egypt

Journal of Plant Pathology & Microbiology Pub Date : 2018-03-30 DOI:10.4172/2157-7471.1000436

Gad Sb, El-Sherif Ag, O. Ma

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引用次数: 4

Abstract

A survey was conducted to determine the types, frequency and population of plant parasitic nematode genera associated with the soils and roots from the rhizosphere of potato cultivars i.e. Spunta, Cilany, Cara and Shamcya, during the growing season of 2016. Three hundred composite soil samples were randomly collected where a modified Baermann technique for plant parasitic nematode extraction was applied. Potato crop grown within four counties belong to Dakahlia governorate i.e. Manzala, Gamalia, meet salsyel and Kordy revealed the presence of ten nematode genera i.e. Criconemoides, Helicotylenchus, Heterodera, longidorus, Meloidogyne, Pratylenchus, Rotylenchulus, Tylenchoryhnchus, Xiphinema and Tylenchus that were found to be the most prevalent nematode genera in the surveyed counties. The two soil types, sandy loam and loamy soils have the highest number of nematode genera (10) with total occurrence of 126 and 166 times, respectively. Meloidogyne (J2s) was considered as the widely distributed pest of the potato crop as it was associated with four potato cultivars within all survey regions.

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埃及达卡利亚省马铃薯植物寄生线虫属调查

对2016年马铃薯生长季Spunta、Cilany、Cara和Shamcya品种根际土壤和根系中植物寄生线虫的种类、频率和种群进行了调查。随机抽取300份复合土壤样品，采用改良的Baermann技术提取植物寄生线虫。在Dakahlia省Manzala、Gamalia、meet salsyel和Kordy四个县的马铃薯作物中发现了10个线虫属，即Criconemoides、Helicotylenchus、Heterodera、longidorus、Meloidogyne、Pratylenchus、Rotylenchulus、Tylenchoryhnchus、Xiphinema和Tylenchus，这些线虫属是调查县中最常见的线虫属。沙质壤土和壤土两种土壤类型的线虫属数量最多(10个)，总发生次数分别为126次和166次。在所有调查区域内，有4个马铃薯品种发生了丝虫病，认为丝虫病是马铃薯作物中分布广泛的害虫。

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Journal of Plant Pathology & Microbiology

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