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The Status Of Insecticides For Codling Moth Control In Oregon
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Book Synopsis The Codling Moth and Late Spraying in Oregon by : Arthur Burton Cordley
Download or read book The Codling Moth and Late Spraying in Oregon written by Arthur Burton Cordley and published by Palala Press. This book was released on 2015-12-07 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis The Status of Insecticides for Codling Moth Control in Oregon by : Leroy Childs
Download or read book The Status of Insecticides for Codling Moth Control in Oregon written by Leroy Childs and published by . This book was released on 1930 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Control of the Codling Moth in the Pacific Northwest by : Erval Jackson Newcomer
Download or read book Control of the Codling Moth in the Pacific Northwest written by Erval Jackson Newcomer and published by . This book was released on 1931 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Control of the Codling Moth by : Charles Baird Simpson
Download or read book The Control of the Codling Moth written by Charles Baird Simpson and published by . This book was released on 1903 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance to Insecticides by Codling Moth and Red-banded Leaf Roller by : Walter Seneff Hough
Download or read book Resistance to Insecticides by Codling Moth and Red-banded Leaf Roller written by Walter Seneff Hough and published by . This book was released on 1963 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Detection and Characterization of Resistance to Pesticides in Codling Moth, Cydia Pomonella L. from Oregon by : Muhammad Arshad
Download or read book Detection and Characterization of Resistance to Pesticides in Codling Moth, Cydia Pomonella L. from Oregon written by Muhammad Arshad and published by . This book was released on 1996 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toxicological studies were carried out to evaluate the susceptibility of codling moth, Cydia pomonella L. to different insecticides. Bioassay procedures for adults and larvae were standardized in terms of posttreatment holding and temperature, age and sex of insects, insecticide formulations and selection of a reference strain. This study detected a low level of resistance to azinphosmethyl in codling moth from Oregon. The LD50 value of the most susceptible strain was 0.038 ug AI/moth, while that of the most resistant population was approximately 4.3 times higher as determined by the topical application method on pheromone traps. The adult topical bioassay using moths reared in the laboratory showed that two of the seven strains tested (Crippens and Medford) had 4-5 fold higher LD50 values than reference (Saint Cloud) strain. In the topical and residual studies with first instar larvae, similar but slightly lower differences were observed among the different populations. There was a strong indication of low levels of resistance in populations to diazinon and fenvalerate in topical tests applied to both males and females. However, there was no significant difference for carbaryl or endosulfan. Larval topical bioassays showed a significant difference only to diazinon. Correlation analysis suggests that a degree of cross-resistance exists between azinphosmethyl and diazinon and to some extent to fenvalerate. Codling moths exposed to the residues of diflubenzuron showed a maximum of 2-fold difference between the susceptible and resistant populations. The differences were visible in terms of egg hatch and first instar larval entries. The pupal and adult stages emerging from the treated apples exposed to ovipositing females showed insignificant sublethal effects. A strong positive correlation between the resistance to azinphosmethyl and resistance to diflubenzuron was noticed. Selection of codling moths for resistance to diflubenzuron for six generations in the laboratory decreased susceptibility by 5-fold. Application of synergists such as PBO and DEF, combined with azinphosmethyl and diflubenzuron, showed slightly different effects on all strains of codling moth. Use of PBO (a P-450 inhibiting compound) with azinphosmethyl and diflubenzuron did not change toxicity of either of the compounds. However, the combination of DEF (an esterase inhibiting compound) with the insecticides significantly increased the toxicity of azinphosmethyl and to some extent diflubenzuron. The maximum synergistic ratios obtained were 8 and 2 for azinphosmethyl and diflubenzuron, respectively. These results indicate a possible involvement of esterases in development of resistance in codling moth to azinphosmethyl and maybe to diflubenzuron. The optimal synergistic ratio determined on a resistant strain of codling moth to various combinations of azinphosmethyl and DEF was 1:4 (50 ppm of azinphosmethyl 200 ppm of DEF). The phytotoxicity studies on young apple trees showed that DEF should be used at or below 500 ppm to avoid phytotoxicity while maintaining effective control of codling moth with a reduced dose of azinphosmethyl.
Book Synopsis Results of Different Insecticide Treatments on the Control of Codling Moth in the Pacific Northwest by : William Swift Regan
Download or read book Results of Different Insecticide Treatments on the Control of Codling Moth in the Pacific Northwest written by William Swift Regan and published by . This book was released on 1927 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiments with Insecticides for Codling-moth Control by : Erval Jackson Newcomer
Download or read book Experiments with Insecticides for Codling-moth Control written by Erval Jackson Newcomer and published by . This book was released on 1932 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Memorandum Re Codling Moth Control and Spray Residue by : United States. Bureau of Entomology
Download or read book Memorandum Re Codling Moth Control and Spray Residue written by United States. Bureau of Entomology and published by . This book was released on 1933 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Codling Moth and Late Spraying in Oregon by : Arthur Burton Cordley
Download or read book The Codling Moth and Late Spraying in Oregon written by Arthur Burton Cordley and published by Wentworth Press. This book was released on 2019-03-24 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis Tests for the Control of Orchard Pests by : Thomas Paul Strand
Download or read book Tests for the Control of Orchard Pests written by Thomas Paul Strand and published by . This book was released on 1933 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Results of Insecticide Tests for the Control of Codling Moth and Observations on Codling Moth Activity in the Yakima Valley, Washington by : William Swift Regan
Download or read book Results of Insecticide Tests for the Control of Codling Moth and Observations on Codling Moth Activity in the Yakima Valley, Washington written by William Swift Regan and published by . This book was released on 1929 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Codling Moth Control by : Samuel Willard Harman
Download or read book Codling Moth Control written by Samuel Willard Harman and published by . This book was released on 1933 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Field Comparisons of Insecticides for Control of the Codling Moth by : John Robert Eyer
Download or read book Field Comparisons of Insecticides for Control of the Codling Moth written by John Robert Eyer and published by . This book was released on 1938 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Codling Moth Control in Washington State by : Benjamin W. Newton
Download or read book Codling Moth Control in Washington State written by Benjamin W. Newton and published by . This book was released on 2006 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Nicotine Sulphate as an Ovicide and Larvicide on the Codling Moth and Three Other Insects by : Norman Eugene McIndoo
Download or read book Effects of Nicotine Sulphate as an Ovicide and Larvicide on the Codling Moth and Three Other Insects written by Norman Eugene McIndoo and published by . This book was released on 1921 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of experiments conducted in laboratory. pp. 14.
Book Synopsis Results of Insecticide Tests for the Control of Codling Moth Season of 1927-1931 by : California Spray-Chemical Corporation
Download or read book Results of Insecticide Tests for the Control of Codling Moth Season of 1927-1931 written by California Spray-Chemical Corporation and published by . This book was released on 1927 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
