Last edited by Arasho
Monday, May 11, 2020 | History

9 edition of Western Corn Rootworm found in the catalog.

Western Corn Rootworm

Ecology and Management (Cabi Publishing)

  • 285 Want to read
  • 31 Currently reading

Published by CABI .
Written in

    Subjects:
  • Cereal crops,
  • Pest control,
  • Science/Mathematics,
  • Congresses,
  • Science,
  • Technology & Industrial Arts,
  • Agriculture - Agronomy,
  • Life Sciences - Zoology - Entomology,
  • Science / Entomology,
  • Western corn rootworm

  • Edition Notes

    ContributionsS. Vidal (Editor), Ulrich Kuhlmann (Editor), C. Richard Edwards (Editor)
    The Physical Object
    FormatHardcover
    Number of Pages324
    ID Numbers
    Open LibraryOL8280116M
    ISBN 100851998178
    ISBN 109780851998176, 9780851990705

      Western corn rootworm, Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae), was first described by LeConte in and recognized as a pest of sweet corn in Colorado in (LeConte , Gillette ).Now, it is one of the key pests of corn in the United States and is an invasive agricultural pest in some countries in Europe (Gray et al. ).Cited by: 1. Western corn rootworm, Diabrotica virgifera virgifera, is one of the most devastating corn insect pests in the United States. In some years, corn rootworms can cause up to $1 billion in yield loss and control costs. In Utah, western corn rootworm has been detected in at least 13 counties (Fig. 1), but likely can be found throughout the state wherever corn is by: 1.

    Corn rootworm damages corn plants growing in the field by eating the roots. Scientists have engineered the corn plant so that when the corn rootworm feeds on the plant, RNAi turns off a function that the corn rootworm needs for growth. This eventually kills the corn rootworm. Because the RNAi technology found in SMARTSTAX PRO is specific to the. ROCKVILLE, Md. (DTN) -- Pyramided Bt corn hybrids, which feature two traits targeting the western corn rootworm, have long been a stronghold against rootworm damage for Corn Belt : Emily Unglesbee.

      Adult western corn rootworm collected in the field were brought to Iowa State University where they were held in small cages (18 cm×18 cm×18 cm L×W×H) (Megaview Science, Taichung, Taiwan) and provided with food consisting of corn leaf tissue and an artificial diet (western corn rootworm diet, Bio-Serv, Frenchtown, New Jersey).Cited by: Root ormTempae(noctoff)Rootworm: Temp. ave. (no cutoff) ––StressdegreeStress degree-das(SDD)days (SDD)!! Corn: Barger () method (horiz. cutoff = 86ºF) 6 Determination of base temp. & start date!! Point prediction model with RingPoint prediction model with Ring-Jackman ANOVAJackman ANOVA!! Compares all prospective base temps & start dates.


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Western Corn Rootworm Download PDF EPUB FB2

John L. Capinera, in Handbook of Vegetable Pests, Distribution. Western corn rootworm is a widely spread native species, consisting of two recognized strains.

The principal strain is Diabrotica virgifera virgifera LeConte, which occurs from Montana, Utah, and Arizona east to New York, Connecticut and Virginia. In Canada, it is known only from southern Ontario.

In the past, corn rotated annually with soybeans was not susceptible to rootworm larval damage because western corn rootworm (WCR) adults laid eggs only in ore, rootworm eggs were Western Corn Rootworm book present in corn planted after soybeans.

In addition, rootworm larvae could not survive on soybean roots, so larvae that hatched from eggs laid in corn the previous year starved to death. Western Corn Rootworm, Diabrotica virgifera virgifera LeConte, has been a major economic pest of maize in the Americas for many years.

However, since the early 's it has become an increasing threat to crops in Europe and is expected to spread to all maize growing areas of the continent. This book provides a comprehensive review of current knowledge of the biology and ecology of this insect. Western Corn Rootworm, Diabrotica virgifera virgifera LeConte, has been a major economic pest of maize in the Americas for many years.

However, since the early ’s it has become an increasing threat to crops in Europe and is expected to spread to all maize growing areas of the continent.

This book provides a comprehensive review. Western Corn Rootworm, Diabrotica virgifera virgifera LeConte, has been a major economic pest of maize in the Americas for many years. However, since the early 's it has become an increasing threat to crops in Europe and is expected to spread to all maize growing areas of the continent.

The Western Corn Rootworm has a yellow body with dark stripes. The male rootworm from this type is usually smaller and darker.

The Western Corn Rootworm book Corn Rootworm, on the other hand, has a green to yellow body and the female is usually the one that is larger. It has an average length of ¼ inch. Western Corn Rootworm, Diabrotica virgifera virgifera LeConte Western corn rootworm (WCR) adults are approximately ¼ inch long and yellow with three black stripes on forewings (elytra).

The stripes on female wing covers are distinct, with one on the outside of each wing cover and the third one along the middle, where the wing covers meet. The northern and western corn rootworms are strictly pests of corn. The eggs, which are the overwintering stage, are laid in the soil in cornfields in late summer.

The eggs hatch late the next spring (late May-early June), and the larvae feed on the roots of corn plants if. Because the leaves of the corn mutant are singularly attractive to Western corn rootworm beetles, the mutant could be used in a "push-pull" pest-management strategy - luring the beetles to a specific location where they can be controlled, said Christian Krupke, assistant professor of entomology and co-author of the study.

Western corn rootworm (Diabrotica virgifera virgifera LeConte) and the crop rotation systems in Europe. In: Vidal S, Kuhlmann U, Edwards CR, eds. Western Corn Rootworm: Ecology and Management, Knutson RJ, Hibbard BE, Barry BD, Smith VA, Darrah LL, Comparison of screening techniques for western corn rootworm (Coleoptera.

Additional Physical Format: Online version: Webster, F. (Francis Marion), Western corn rootworm. Washington, D.C.: U.S. Dept. of Agriculture, Get this from a library. Western corn rootworm: ecology and management. [Stefan Vidal; Ulrich Kuhlmann; C Richard Edwards;] -- "Western corn rootworm, Diabrotica virgifera virgifera LeConte, is a major economic pest of maize in the Americas, and now has invaded Europe." "This book provides a comprehensive review of current.

The material and content contained in the Greenbook label database is for general use information only. Agworld and Greenbook do not provide any guarantee or assurance that the in. What are the western corn rootworms. The western corn rootworms belong to an insect order Coleoptera.

The western corn rootworms are scientifically called as Diabrotica virgifera virgifera and considered one of the most damaging insect pests of corn crop. The adults of the western corn rootworms are about mm long and yellow colored with a black stripe on each of their front wings.

If you have questions in regard to Western Corn Rootworm, Diabrotica virgifera virgifera LeConte, in Europe, contact C.

Richard Edwards. Western corn rootworm in Iowa remains susceptible to crop rotation, however, resistance to crop rotation by northern corn rootworm does occur in Iowa through extended diapause.

In cornfields where large populations of northern corn rootworm are observed, and where the presence of rotation resistance is suspected, farmers should protect first.

Corn rootworm is a persistent and economically important pest in Iowa, with yield loss caused primarily by larval feeding on corn roots. Genetically modified corn with Bt traits kills western and northern rootworm larvae, and Bt-rootworm corn has been available since However, some Iowa farmers have observed severe root injury to Bt hybrids in continuous cornfields, and there has been.

All three events performed equally well against northern corn rootworm, but were less effective (75%) than with western corn rootworm.

These data will help growers evaluate competing claims from companies about performance, especially when much of the data is derived from studies against western corn rootworm.

3&4. Western corn rootworm larvae are creamy white with a brown head capsule. “Gooseneck” symptom caused by corn rootworm.

There are two species of corn rootworm in Utah: the western and northern corn rootworms. The western corn rootworm, however, is the one that will typically cause damage at an economic level for which control measures may be.

Managing western corn rootworm that are resistant to multiple Bt traits is a big challenge because there is no silver bullet solution for this problem. Adoption of an IPM strategy that includes crop rotation, trait rotation, trait pyramiding, and judicial use of soil insecticide only in.

Western Corn Rootworm Variant A economic threshold and scouting procedures have been developed for WCR in soybean fields, that will allow growers to make informed decisions regarding the need for a rootworm-control product in first-year corn on a field-by-field basis.

Growers located in high-risk (red) and.resistance. Western corn rootworm is a key pest of maize, and in continuous maize fields it is often managed through planting of Bt maize.

During andfield s were identified in Iowa in which western corn rootworm imposed s evere injury to maize producing Bt toxin Cry3Bb1. Subsequent bioassays revealed Cry3Bb1 resistance in these File Size: KB.: Western Corn Rootworm: Diabrotica vergifera virgifera (): Ulrich Kuhlmann, Joachim Moeser and Stefan Vidal: Books.