نتایج جستجو برای: pest resistance

تعداد نتایج: 389934  

باقری, خالو, بی همتا, محمدرضا, زینالی, حسن, ضابط, محمد, طالعی, علیرضا, مردی, محسن,

To study general combining ability(GCA) and gene action for resistance to sunn pest(Eurygaster integriceps) six lines of bread wheat numbered 7214 ,6412,c-75-4,18,14,12 plus azadi variety werw crossed in a half-diallel system. Seven parents and twenty-one hybrids were evaluated in a randomized complete block design with 3 replication at Tehran University Research Station during the years 2005-2...

ژورنال: علوم آب و خاک 2009
باقری, خالو, بی همتا, محمدرضا, زینالی, حسن, ضابط, محمد, طالعی, علیرضا, مردی, محسن,

To study general combining ability(GCA) and gene action for resistance to sunn pest(Eurygaster integriceps) six lines of bread wheat numbered 7214 ,6412,c-75-4,18,14,12 plus azadi variety werw crossed in a half-diallel system. Seven parents and twenty-one hybrids were evaluated in a randomized complete block design with 3 replication at Tehran University Research Station during the years 2005-2...

Journal: :health scope 0
kaliyaperumal karunamoorthi department of environmental health sciences, unit of medical entomology and vector control, college of public health and medical sciences, jimma university , india +251-93547847, [email protected]; research and development centre, bharathiar university, coimbatore, india; department of environmental health sciences, unit of medical entomology and vector control, college of public health and medical sciences, jimma university , india +251-93547847, [email protected] shanmugavelu sabesan vector control research centre (indian council of medical research), indira nagar, india

context arthropod-borne diseases are remaining as a major public health issue in the resource-constrained settings. mosquitoes are closely associated with mankind since time immemorial and play an important role in the transmission of many dreadful diseases like malaria, filariasis, japanese encephalitis, dengue and yellow fever. over the decades, vector control is an important element to minim...

Journal: :HortScience 1995

2014
Pierre Stratonovitch Jan Elias Ian Denholm Russell Slater Mikhail A. Semenov

Preventing a pest population from damaging an agricultural crop and, at the same time, preventing the development of pesticide resistance is a major challenge in crop protection. Understanding how farming practices and environmental factors interact with pest characteristics to influence the spread of resistance is a difficult and complex task. It is extremely challenging to investigate such in...

Journal: :crop breeding journal 2012
t. najafi-mirak

sunn pest (eurygaster integriceps put.) is one of the major pests of wheat in iran. identification of resistantcultivars is an effective integrated pest management (ipm) strategy. to identify the genetic response of wheat and triticale to sunn pest, and determine the relationship between resistance and morpho physiological traits, eight bread wheat breeding lines/cultivars, four durum wheat lin...

2016
nichoLaS P. Storer

Introduction Resistance is a natural phenomenon, a result of evolution and adaptation to environment. When a pest population is exposed to a pest management tool, whether chemical, biological, or cultural, the individuals in that population that are genetically predisposed to overcome the management tool are more likely to survive and pass their genes on to the next generation. Over multiple ge...

2017
Robert K.D. Peterson Andrea C. Varella Leon G. Higley

Plant resistance against insect herbivory has greatly focused on antibiosis, whereby the plant has a deleterious effect on the herbivore, and antixenosis, whereby the plant is able to direct the herbivore away from it. Although these two types of resistance may reduce injury and yield loss, they can produce selection pressures on insect herbivores that lead to pest resistance. Tolerance, on the...

Journal: :Journal of economic entomology 2013
David W Onstad Xiaoxia Liu Mao Chen Rick Roush Anthony M Shelton

The tools of insect pest management include host plant resistance, biological control, and insecticides and how they are integrated will influence the durability of each. We created a detailed model of the population dynamics and population genetics of the diamondback moth, Plutella xylostella L., and its parasitoid, Diadegma insulare (Cresson), to study long-term pest management in broccoli Br...

Journal: :دانش گیاه پزشکی ایران 0
ابوالفضل ناظمی دانش آموختۀ کارشناسی ارشد حشره شناسی، گروه گیاه پزشکی، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان جهانگیر خواجه علی استادیارگروه گیاه پزشکی، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان

onion thrips, thrips tabaci, is the most important pest of onion in isfahan. onion growers often rely on the pesticide spraying. imidacloprid is frequently used against this pest. to investigate the thrips resistance to this insecticide, 10 onion-growing regions of isfahan were selected. after their laboratory rearing, certain concentrations of imidacloprid were applied to these populations, us...

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