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Resistance management strategies

A transgenic, crop technology, used in genetic engineering, animal repellents, plant growth regulators, etc.

Inactive Publication Date: 2009-10-28
PIONEER HI BRED INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The 2000 SAP also agreed that wider protected areas are better than narrower areas due to larval movement, although for some smaller growers planter size may limit the area size (SAP 2001)
However, additional studies may be required to fully determine the risks and appropriate mitigations for CEW migration from north to south

Method used

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  • Resistance management strategies

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Embodiment Construction

[0085] In the following description, various terms are used in a broad manner. The following definitions are provided to aid in the understanding of the present invention.

[0086] Nouns used herein are formally singular but have a plural meaning (ie, refer to at least one object). By way of example, "an element" means one or more elements. As used herein, the term "comprising" means "including but not limited to".

[0087] "Field" means an area, regardless of size, in which a crop is grown. As used herein, the term "transgenic pest-resistant crop" refers to a plant or progeny (including seeds) derived from transformed plant cells or protoplasts, wherein the plant DNA contains introduced heterologous DNA molecules that were not previously present Resistance to one or more corn rootworms can be conferred in native, non-transgenic plants of the same line. The term refers to both the original transformant comprising heterologous DNA and the progeny of that transformant. The ...

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Abstract

Insect refuge strategies are described for the management of insect resistance development. The present invention relates generally to the control of pests that cause damage to crop plants, and in particular to corn plants, by their feeding activities directed to root damage, and more particularly to the control of such plant pests by exposing target pests to seeds or mixtures of seeds having multiple different modes of action. The first one or more transgenes and the second one or more transgenes are each, respectively, insecticidal to the same target insect but have different modes of action, and bind either semi-competitively or non-competitively to different binding sites in the target pest. In addition, the treatment of such seed with a chemical or peptide-associated pesticide prior to planting the seed is also disclosed.

Description

[0001] related application [0002] This application claims priority to US Provisional Application Serial No. 60 / 871,671, filed December 22, 2006, the contents of which are incorporated herein by reference in their entirety. field of invention [0003] The present invention relates to methods of managing the development of resistant pests. Background of the invention [0004] Insects, nematodes, and related arthropods destroy an estimated 15% of crops annually in the United States and an even higher percentage in developing countries. In the United States alone, these pests cause more than $100 billion in crop damage each year. In addition, competition with weeds and parasitic and saprophytic plants results in further potential yield losses. [0005] Some of this damage occurs in the soil when plant pathogens, insects and other such soilborne pests attack the seeds after they have been planted. In the production of corn, for example, most damage is caused by rootworms (pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N15/82
CPCA01N63/02C12N15/8286A01N63/04Y02A40/146
Inventor D·J·科斯格罗夫P·M·达维斯R·C·伊维希
Owner PIONEER HI BRED INT INC
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