نتایج جستجو برای: bursate nematodes

تعداد نتایج: 14920  

Journal: :Agriculture 2021

Nematodes are common pests that damage agricultural crop plants. Some of them beneficial while others parasitic and harmful to plants, animals humans. Several in vitro studies have aimed develop chemicals kill nematodes, been conducted use nematodes as biocontrol agents. However, the preparation large quantities nematode eggs a laboratory setting is challenging. Traditional egg isolation protoc...

2009
R. Canhilal W. Reid H. Kutuk M. El-Bouhssini

The susceptibility of adult sunn pest, Eurygaster integriceps Puton (Hemiptera: Scutelleridae), to five local Syrian isolates of Heterorhabditis bacteriophora, Steinernema riobravae Texas, S. carpocapsae C3B, and H. bacteriophora 8-14 strains was evaluated under laboratory conditions. Concentrations of 50, 100, 200, and 400 nematodes per adult were bioassayed; for each nematode concentration, f...

2003
G. R. STIRLING E. J. WILSON A. M. STIRLING C. E. PANKHURST P. W. MOODY M. J. BELL

Previous research has shown that population densities of plant-parasitic nematodes are reduced when a legume crop is grown in rotation with sugarcane. However, this effect is only temporary, as nematodes usually return to high densities within 12 months of planting sugarcane. This rapid resurgence suggests that natural enemies that normally keep plant-parasitic nematodes under control in natura...

Journal: :Journal of helminthology 2012
Kh M El-Dakhly E El-Nahass S Uni H Tuji H Sakai T Yanai

A high prevalence (86.7%) of various species of nematodes was observed in the stomach of great cormorants living in Lake Biwa, Japan. There were varying numbers of adults belonging to two common genera, Eustrongylides Jagerskiold 1909 (Nematoda: Dioctophymatidae) and Contracaecum Railliet & Henry 1912 (Nematoda: Anisakidae). The first included common adenophorean nematodes comprising a single s...

Journal: :Current Biology 2012
Adler R. Dillman Paul W. Sternberg

What are you focusing on at the moment? I am still carrying on with my research into the molecular mechanisms of memory, currently focusing on the link between CaMKII and AMPA receptors during memory consolidation. But two years ago, funded by the BBSRC, we embarked on an exciting new project, investigating the link between decision-making and learning in Lymnaea. This project uses much less mo...

ژورنال: علوم آب و خاک 2015
عبدالهی ارجنکی, اکرم, فدایی تهرانی, علی اکبر,

Plant parasitic nematodes, especially root knot nematodes, cause damage to most of agricultural products, and many efforts have been done to control them. In recent years, application of industrial waste and wastewater sludge as organic fertilizers in agriculture has been increased. To investigate the effects of sewage sludge on root knot nematode pathogenicity in tomato, different weights of s...

ژورنال: سلامت و محیط زیست 2012
بیگم کیا, عشرت, جاهد خانیکی, غلامرضا, دهقانی, محمد هادی, زارعی, احمد, محوی, امیرحسین,

Background and Objectives: Free living nematodes due to their active movement and resistance to chlorination don't remove in conventional water treatment processes thus can be entered to distribution systems and cause adverse health effects. UV irradiation can be used as a method of inactivating these organisms.Materials and Methods: This study is done to investigate the effect of ultraviolet l...

Fadaei Tehrani, A. A., Yazdani, M. ,

Root knot nematode is one of the important plant pathogens that causes damage to many crops, including greenhouse crops. Pepper is an agricultural crop which its cultivation has increased in recent years, especially in greenhouses. Most of the adopted management methods for this nematode have not met the required efficiency. In this study, reaction of some pepper cultivars (Elmina, Tuvana, Chal...

Journal: :Journal of nematology 1985
H B Jansson A Jeyaprakash B M Zuckerman

The endoparasitic nematophagous fungus Meria coniospora reduced root-knot nematode galling on tomatoes in greenhouse pot trials. The fungus was introduced to pots by addition of conidia at several inoculum levels directly to the soil or addition of nematodes infected with M. coniospora to the soil; both methods reduced root galling by root-knot nematodes. These studies represent a part of a rec...

Journal: :Journal of nematology 1988
M Saeed S A Khan V A Saeed H A Khan

Cephalobus litoralis (Akhtar, 1962) Andrássy, 1984 reproduced parthenogenetically and completed its life cycle in 72-90 hours. Each female deposited 200-300 eggs. The nematodes showed synchronized movements in the rhythms of the anterior parts of the body. The nematodes were coiled when dried in culture medium or in slowly evaporating water droplets on the tops of culture plates, but in pellets...

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