نتایج جستجو برای: nematodes

تعداد نتایج: 14919  

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...

The Lo Go-Xa Mat is a national park in the southeastern region of Vietnam, which has a particularly high biodiversity and it includes different wetlands which are unique diverse in species composition. It can be categorized into two types: temporarily-seasonally and permanently flooded wetlands. Ta Not grassy marsh is representative of the seasonally flooded wetland. Whilst the diversity and ec...

Journal: :Journal of visualized experiments : JoVE 2014
Rousel A Orozco Ming-Min Lee S Patricia Stock

Entomopathogenic nematodes (a.k.a. EPN) represent a group of soil-inhabiting nematodes that parasitize a wide range of insects. These nematodes belong to two families: Steinernematidae and Heterorhabditidae. Until now, more than 70 species have been described in the Steinernematidae and there are about 20 species in the Heterorhabditidae. The nematodes have a mutualistic partnership with Entero...

Journal: :Journal of nematology 2003
A I Nico R M Jiménez-Díaz P Castillo

Host suitability of olive cultivars Arbequina and Picual to several plant-parasitic nematodes was studied under controlled conditions. Arbequina and Picual were not suitable hosts for the root-lesion nematodes Pratylenchus fallax, P. thornei, and Zygotylenchus guevarai. However, the ring nematode Mesocriconema xenoplax and the spiral nematodes Helicotylenchus digonicus and H. pseudorobustus rep...

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