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Saturday, May 16, 2020 | History

2 edition of Codling moth, tethering females to determine mating in field populations. found in the catalog.

Codling moth, tethering females to determine mating in field populations.

D. O. Hathaway

Codling moth, tethering females to determine mating in field populations.

by D. O. Hathaway

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  • 7 Currently reading

Published by Agricultural Research (Western Region), Science and Education Administration, U.S. Dept. of Agriculture in Oakland, Calif .
Written in English

    Subjects:
  • Codling moth.

  • Edition Notes

    SeriesAdvances in agricultural technology -- 6.
    ContributionsUnited States. Science and Education Administration. Agricultural Research. Western Region.
    The Physical Object
    Pagination6 p. :
    ID Numbers
    Open LibraryOL15255137M

    Natural Enemies of Codling Moth and Leafrollers of Pome and Stone Fruits. g Moth. Principal characteristics of the pest. The codling moth, Cydia pomonella (Linnaeus), is the most widely distributed pest of cultivated pome fruits and walnuts in the world, except in Japan (Barnes, ) and in the western part of Australia where it has been eliminated, being a key pest in most. J. Johnson, in Improving the Safety and Quality of Nuts, Codling moth. Codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), is a serious pest of many tree fruits in the rose family, and is the primary pest of walnuts in California. Known to most as the familiar worm in the apple, it may also attack pears, crabapples, quince, hawthorn, and is occasionally found on stone fruits.

    Organic pheromone mating dispensers are a twist tie that you slip over a branch at the beginning of the season. When applied at to the hectare, they release the female scent to such a degree it confuses the male and prevents mating. Moth numbers should fall in . Codling moths are one of the most damaging of apple pests. Without proper control, codling moth larvae will bore through the skin of apples into the fruit. The entry sites of these larvae are called "codling moth stings." The presence of codling moth stings on an apple cause that fruit to be downgraded or culled when the apples are sorted.

    Refining Pheromone Mating Disruption Strategies to Manage Codling Moth in Walnuts - Practices to Improve Performance of Pheromone Aerosol Dispenser-Based Programs in Tall-Canopied Orchards Burks, Charles, Joseph Grant, Carolyn Pickel, Richard Buchner, Cyndi Gilles, Frances Cave, Larry Gut, Peter McGhee, Jay Brunner The conventional insecticide treatment for codling moth is to spray trees every 10 days to 2 weeks following fruit set with an insecticide that kills moth eggs and newly hatched larvae. Many home orchardists have resisted this method, however, because of the toxicity of older insecticides.


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Catalogue

Catalogue

Codling moth, tethering females to determine mating in field populations by D. O. Hathaway Download PDF EPUB FB2

Get this from a library. Codling moth, tethering females to determine mating in field populations. [D O Hathaway; United States. Science and Education. The codling moth, Cydia pomonella L.

(Lepidoptera, Tortricidae), is a major pest of apple, pear and walnut orchards worldwide. This pest is often controlled using the biologically friendly control method known as pheromone-based mating disruption. Mating disruption likely exerts selection on the sexual communication system of codling moth, as male and female moths will persist in their Cited by:   Monitoring of adult codling moth populations.

Two types of commercially available CM sex pheromone monitoring lures from Trécé Inc. (Adair, OK, USA, ), viz. CM Long-Life™ L2™ (hereafter referred to as CM L2) ( mg of (E, E)-8,dodecadienol in gray halobutyl septum) and Pherocon® CM-DA Combo™ (mixture of mg of (E, E)-8, dodecadienol and mg of ethyl Cited by: Save your pome fruit and walnuts from insect damage by disrupting the mating communication between the male and female moths.

These easy-to-use moth-mating spirals release a large amount of pheromone, which confuses the males and keeps them from mating with females. Spirals are designed to be used with wing traps and pheromone lures: Simply apply 2 to 4 days after catching the first male moth Brand: Scentry Biologicals.

The codling moth, Cydia pomonella L. (Lepidoptera, Tortricidae), is a major pest of apple, pear and walnut orchards worldwide. This pest is often controlled using the biologically friendly control method known as pheromone-based mating disruption. Mating disruption likely exerts selection on the sexual communication system of codling moth, as male and female moths will persist in their attempt Cited by: The codling moth (Cydia pomonella; CM) is a tortricid moth originally native to Europe but now occurring in most parts of the world that have favorable the mids it became a serious problem in many North Carolina orchards due to factors that included insecticide resistance and the practice of storing bins near : Jim Walgenbach.

Intraspecific Variation in Female Sex Pheromone of the Codling Moth Cydia pomonella Article (PDF Available) in Insects 5(4) September. Apple orchard management practices may affect development and phenology of arthropod pests, such as the codling moth (CM), Cydia pomonella (L.) (Lepidoptera: Tortricidae), which is a serious internal fruit-feeding pest of apples worldwide.

Estimating population dynamics and accurately predicting the timing of CM development and phenology events (for instance, adult flight, Cited by:   Codling moth traps are used to tell us when the moths have emerged, so we can plan to spray.

They’re about a half-inch long, with bands of gray and white stripes on their wings, the ends of. Codling moth Cutworms (several) Red-banded leafroller Grape root borer Peach twig borer Mint root borer • Most are female-produced scents that attract males • Usually species specific • Synthetic pheromones available for many pests Fruittree leafroller Corn borer Peachtree borer Corn earworm Spotted tentiform leafminer California prionus.

If codling moth males can’t find females, females will not lay fertilized eggs. In a few areas, entomologists and growers have worked together to form area-wide mating disruption programs, which have been highly effective in reducing populations of codling moth.

Abstract. Delay of mating was examined as a possible mechanism for population decreases associated with mating disruption for codling moth, Cydia pomonella L., and obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera: Tortricidae).

We examined the effect of delaying female mating 0, 2, 4, or 6 d while holding male age constant on life table parameters of Cited by: However in order to develop this concept, it is important to assess if populations of codling moth from different geographical regions share mating compatibility.

Twelve different laboratory and field populations from both hemispheres were sampled and field cage bisexual mating compatibility tests were carried out between selected by: Monitoring adult codling moth, Cydia pomonella (L.), is a crucial component in implementing effective integrated management programmes in apple, Malus domestica Borkhausen.

Use of sex pheromone lures to track male populations has been the traditional approach, but their use in orchards treated with sex pheromone for mating disruption (MD) has been by: 1. The codling moth (Cydia pomonella) is a member of the Lepidopteran family are major pests to agricultural crops, mainly fruits such as apples and e the larvae are not able to feed on leaves, they are highly dependent on fruits as a food source and Family: Tortricidae.

significant biological control of codling moth when the use of broad spectrum pesticides is minimized. Males emerge slightly before females and mating typically occurs within the first few days of the female’s life. In the Pacific natural populations of codling moth has not yet been assessed, but it is not thought to be an.

After mating females can lay between tiny disc shaped eggs on the fruit, nuts, leaves and fruiting spurs. Prevention. Prevention and suppressing the numbers early makes dealing with codling moths considerably easier as it can be tricky to deal with large, well established populations.

Cydia pomonella. by Timothy J. Smith WSU Extension. Codling Moth has been the key insect pest of apples in Washington since the early ’s. Damage was constant and, despite heavy spraying with lead-arsenate, percent losses were expected yearly in orchards up untilwhen DDT became available to growers.

Organic programs should always use mating disruption, without it, codling moth control is extraordinarily difficult. Compared to the conventional application timings, organic timings are slightly different in that the residue of granulosis virus is fairly short ( days) and during the first generation it is rare that the residue gives as good.

Mating disruption relies on confusion to prevent codling moths from mating. Male codling moths locate female moths at night by following the sex attractant released into the air by the females. This technique is most successful in blocks of at least 5 acres and where initial populations of codling moth are low.

Keep in mind that mating. Spring temperatures also impact how fast codling moth populations build within an orchard. At warm temperatures, populations can double within 30 days, but at cool temperatures, it could take 90 days. “The lesson here is that during years with wet, cool springs, codling moth risk goes way down compared to those with warm, dry springs,” he said.Found in all apple-growing areas of the world, the codling moth (Cydia pomonella) is considered to be one of the most destructive pests of are gray to brown moths with a 3/4 inch wingspan.

They have a chocolate-colored patch at the tip of each forewing and coppery transverse markings. Introduction.

The widespread use of mating disruption for the codling moth, Cydia pomonella L. (Lepi-doptera: Tortricidae), has lead to an increased interest into how pheromones mechanistically impact population y and Judd () provided a conceptual framework for mating disruption that included behavioral and population growth components but lacked val-idating Author: Vincent P.

Jones, Nik G. Wiman.