نتایج جستجو برای: bacillus strains efficiency were tested to control root knot nematode

تعداد نتایج: 11189724  

2008
Debora C. Ladner Paul B. Tchounwou Gary W. Lawrence

Nonchemical methods and strategies for nematode management including cultural methods and engineered measures have been recommended as an alternative to methyl bromide (a major soil fumigant), due to its role in the depletion of the ozone layer. Hence, an international agreement has recently been reached calling for its reduced consumption and complete phasing out. This present research evaluat...

Journal: :International Journal of Plant and Soil Science 2023

Meloidogyne graminicola is an economic yield loss causing major pest of rice globally. For managing this pest, biological control practices act as alternate strategy, it the most effective and economic. Plant growth promoting rhizospheric bacteria (PGPR) are significant because they benefit plants both directly indirectly by enhancing plant provides long lasting antagonistic effects against par...

ژورنال: علوم آب و خاک 2009
اخوان, علیرضا, اولیاء, مجید, شریف نبی, بهرام, عسکریان, هما, مهدیخانی مقدم, عصمت,

Root knot nematodes (Meloidogyne spp.) cause yield loss in all countries, of which, M. javanica, is the most widespread species in Iran. In order to identify M. javanica, 100 infected root and soil samples of root knot nematode were collected from different regions of Kerman province. After purification of populations and identification of M. javanica based on morphological and morphometerical ...

اخوان, علیرضا, اولیاء, مجید, شریف نبی, بهرام, عسکریان, هما, مهدیخانی مقدم, عصمت,

Root knot nematodes (Meloidogyne spp.) cause yield loss in all countries, of which, M. javanica, is the most widespread species in Iran. In order to identify M. javanica, 100 infected root and soil samples of root knot nematode were collected from different regions of Kerman province. After purification of populations and identification of M. javanica based on morphological and morphometerical ...

Journal: :Egyptian Journal of Biological Pest Control 2021

Abstract Background Root-knot nematodes ( Meloidogyne spp.) are among the most important plant pathogens. Biological control is one of safety and effective methods for these nematodes. The aim present study was isolation identification endophytic bacteria from tomato fields in some areas Iran order to evaluate their biocontrol potential against root-knot nematode. In study, population collected...

2015
Weimin Ye Yongsan Zeng James Kerns Philippe Castagnone-Sereno

Root-knot nematodes (Meloidogyne spp.) are the most common and destructive plant-parasitic nematode group worldwide and adversely influence both crop quality and yield. In this study, a total of 51 root-knot nematode populations from turfgrasses were tested, of which 44 were from North Carolina, 6 from South Carolina and 1 from Virginia. Molecular characterisation was performed on these samples...

2018
Harley M Smith Brady P Smith Norma B Morales Sam Moskwa Peter R Clingeleffer Mark R Thomas

Plant parasitic nematodes, including root knot nematode Meloidogyne species, cause extensive damage to agriculture and horticultural crops. As Vitis vinifera cultivars are susceptible to root knot nematode parasitism, rootstocks resistant to these soil pests provide a sustainable approach to maintain grapevine production. Currently, most of the commercially available root knot nematode resistan...

Journal: :Journal of nematology 1999
J K Nitao S L Meyer D J Chitwood

In-vitro methods were developed to test fungi for production of metabolites affecting nematode egg hatch and mobility of second-stage juveniles. Separate assays were developed for two nematodes: root-knot nematode (Meloidogyne incognita) and soybean cyst nematode (Heterodera glycines). For egg hatch to be successfully assayed, eggs must first be surface-disinfested to avoid the confounding effe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم پایه 1388

introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...

Journal: :Plant biotechnology journal 2007
Xiang-Qian Li Jun-Zhi Wei Anderson Tan Raffi V Aroian

Our laboratory has demonstrated previously that Bacillus thuringiensis (Bt) crystal (Cry) proteins present in the Cry5 and Cry6 subclades intoxicate free-living nematodes. In this study, we tested whether the expression of nematicidal Cry6A in transgenic plants provided protection against plant-parasitic nematodes. As bacterial codon usage is incompatible with expression in plants, two differen...

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