نتایج جستجو برای: stem borer

تعداد نتایج: 279825  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1372

most of the verbal constructions of harzani dialect have got inflectional affixes. the majority of the constructions are made up vy adding a specific verbal affix to the verbal stem (infinitive without infinitive marker). only a few number of them is formed by adding a verbal affix to the past participle of the verb. there are specific rules for the formation of different verbal types. there is...

2014
Ana Butrón A. BUTRÓN G. SANDOYA P. REVILLA A. ORDÁS R. A. MALVAR

Journal: :Journal of economic entomology 2007
Thomas D Brooks B Shaun Bushman W Paul Williams Micheal D McMullen Paul M Buckley

Leaf-feeding damage by first generation larvae of fall armyworm, Spodopter frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), and southwestern corn borer, Diatraea grandiosella Dyar (Lepidoptera: Crambidae), cause major economic losses each year in maize, Zea mays L. A previous study identified quantitative trait loci (QTL) contributing to reduced leaf-feeding damage by these insects in the mai...

Journal: :Ecologica Montenegrina 2022

Zeuzera multistrigata Moore, 1881 (Lepidoptera: Cossidae) is a dangerous stem borer that damages the Eucalyptus plantations in Vietnam. Field surveys Lao Cai and Phu Tho provinces 2022 showed Z. frequently damaged hybrid (clone DH32-29) at age of 16‒28 months with damage incidence ranging from 16.93 to 28.74% index 0.49 1.08. This study three E. urophylla clones (PN3d, PN46, PN54) were not by m...

Journal: :Environmental entomology 2009
Yigen Chen Therese M Poland

The emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), is an exotic woodborer first detected in 2002 in Michigan and Ontario and is threatening the ash resource in North America. We examined the effects of light exposure and girdling on green ash (Fraxinus pennsylvanica Marsh) volatile production, and effects of light exposure, girdling, and leaf age on emerald ash bore...

Journal: :Journal of economic entomology 2004
David P Kain Richard W Straub Arthur M Agnello

Surveys were conducted in the major apple growing regions of New York state to determine the incidence of borers infesting burrknots on clonal apple rootstocks. Dogwood borer, Synanthedon scitula (Harris), was generally prevalent throughout the state, but American plum borer, Euzophera semifuneralis (Walker), was limited to western New York apple orchards near infested stone fruit trees. Insect...

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