The Developing Program of Integrated Control of Cotton Pests in California

Bosch, Robert van den; Leigh, Thomas F.; Falcon, L. A.; Stern, Vernon M.; Gonzales, Daniel; Hagen, K. S.

doi:10.1007/978-1-4615-6528-4_17

Cited by 11 publications

(10 citation statements)

References 5 publications

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“…Elles s'inspirent le plus souvent des techniques utilisees aux Etats-Unis, que l'on peut tres sommairement diviser en deux types : le premier base sur les attaques sur boutons floraux (Barnes, 1977) et le second sur le denombrement des premiers stades larvaires (van den Bosch et al, 1971). Elles s'inspirent le plus souvent des techniques utilisees aux Etats-Unis, que l'on peut tres sommairement diviser en deux types : le premier base sur les attaques sur boutons floraux (Barnes, 1977) et le second sur le denombrement des premiers stades larvaires (van den Bosch et al, 1971).…”

Section: Chenilles De La Capsuleunclassified

Méthodes d'échantillonnage des populations d'insectes nuisibles dans les cultures cotonnières en Afrique

Vaissayre

1982

Entomophaga

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Methodes d'echantillonnage des populations d'insectes nuisibles dans les cultures cotonnieres en Afriquepar M. VAISSAYRE IRCT ~, Station IDESSA/GERDAT, Bouake (COte d'lvoire) L'estimation des densites de ravageurs au sein des cultures cotonnieres est pr6sentee comme le pr6alable indispensable a la mise au point d'une methode raisonnee de contr61e des populations d6predatrices. On envisage successivement les diff6rentes techniques utilisees pour parvenir ~t une telle estimation, avant d'exposer les probl6mes propres a chaque type de ravageur. Les problemes li6s ~t l'interpretation statistique des resultats obtenus sont 6voqu6s brievement.

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Section: Chenilles De La Capsuleunclassified

Méthodes d'échantillonnage des populations d'insectes nuisibles dans les cultures cotonnières en Afrique

Vaissayre

1982

Entomophaga

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“…Predators are thought to be more important than parasitoids in disturbed annual crops and suppression of predators increases H. zea populations (Van Den Bosch, Leigh, Gonzales, and Stinner 1969;Van Den Bosch et al 1971;Ehler and Miller 1978). Although the prevalence of predation indicates that they are likely important in natural control, this has not been often tested (Jones 1982;Symondson, Sunderland, and Greenstone 2002).…”

Section: Introductionmentioning

confidence: 97%

“…Once inside very little non-cannibalism biotic mortality occurs (Archer and Bynum 1994). Feeding within plant tissue likely provides enemy-free space as predation of H. zea larvae is common in crops where it feeds externally (Van Den Bosch et al 1971;King and Coleman 1989;Capinera 2001). Thus, the eggs are the only stage vulnerable to biological control in corn.…”

Section: Introductionmentioning

confidence: 98%

Importance of predation byColeomegilla maculatalarvae in the natural control of the corn earworm in sweet corn

Seagraves

Yeargan

2009

Biocontrol Science and Technology

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The corn earworm, Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) is a serious pest of many crops in North America, particularly sweet corn. The larvae of Coleomegilla maculata (DeGeer) (Coleoptera: Coccinellidae) are the most frequently observed predators of H. zea eggs in sweet corn. Companion cropping strategies have been developed to augment densities of C. maculata in sweet corn plantings. In this study, the importance of predation by C. maculata larvae was evaluated in experiments when larval abundance was manipulated using hand removal and physical exclusion. In 2003 and 2004, sentinel H. zea eggs were exposed on corn for 48 h. Egg mortality was 13.8% greater in the treatment where C. maculata larvae were present. In 2004 and 2005 eggs were exposed on corn under the same hand removal and physical exclusion techniques and monitored at 3-h intervals for 24 h to directly observe predation on sentinel eggs. Coleomegilla maculata larvae were the most frequently observed predators of the eggs, accounting for 45.9% of 85 total observed predation events in the control. Whereas in the treatment where C. maculata larvae were reduced, egg survival was 26.13% greater and only 37 total predation events were observed. All pest eggs were eliminated from individual ears 22.1% more often when C. maculata larvae were present at natural densities indicating that predation by this predator stage lessens crop damage by H. zea. The results of this study suggest that C. maculata larvae are an irreplaceable source of natural mortality for H. zea eggs on sweet corn.

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“…Another consequence of pesticide use has been the common occurrence of pest outbreaks by species that previously were innocuous or of minor pest status. The examples of this type of pest in cotton in many parts of the world have been well documented (Adkisson 1969;FAO 1968FAO , 1970Smith 1969;Smith and Reynolds 1971;van den Bosch et al 1971;Wille 1951).…”

Section: Unleashed Secondary Pestsmentioning

confidence: 99%

The Impact of the Green Revolution on Plant Protection in Tropical and Subtropical Areas

Smith

1972

Bulletin of the Entomological Society of America

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The earliest use of the term 'integrated control', at least in its pest control sense, dates from June of 1954 (Smith and Allen 1954). Thus, the history of inte grated control would appear to have spanned little more than 17 years. Until now, most discussions of the origins of integrated control have emphasized the overdependence on and the over-use of chemical pesticides subsequent to World War II and the unfortunate and unfavourable consequences which resulted from the use of these chemicals. These unfavourable consequences involved particularly the development of insect populations resistant to pesticides, undesirable residue levels on food crops, impact on wildlife, the rapid resurgence of target pest populations following treatment, and outbreaks of unleashed secondary pests (Smith and Rey nolds, 1971). All of these repercussions and the steps taken to adjust for them culminated in excessively high costs for plant protection. Then as the story goes this series of unsavory events was coupled with the wisdom of a few ominiscient sooth sayers; and the integrated control came into the world. Another somewhat different account of the historical development of integrated control as related by one of our British friends describes it as a mixture of 'idealism, evangelism, pursuit of fashion, fund-raising and even empire-building. The movement has indeed acquired the impetus and character of a religious revival .. ' (Price-Jones 1970).

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The Developing Program of Integrated Control of Cotton Pests in California

Cited by 11 publications

References 5 publications

Méthodes d'échantillonnage des populations d'insectes nuisibles dans les cultures cotonnières en Afrique

Méthodes d'échantillonnage des populations d'insectes nuisibles dans les cultures cotonnières en Afrique

Importance of predation byColeomegilla maculatalarvae in the natural control of the corn earworm in sweet corn

The Impact of the Green Revolution on Plant Protection in Tropical and Subtropical Areas

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