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    Author(s): Jerry A. Payne; Carroll E. Yonce; Ramona J. Beshear; Dan L. Horton
    Date: 1991
    Source: Parker, Bruce. L.; Skinner, Margaret; Lewis, Trevor, eds. Towards Understanding Thysanoptera. Gen. Tech. Rep. NE-147. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 359-369.
    Publication Series: General Technical Report (GTR)
    Station: Northeastern Research Station
    PDF: View PDF  (465.79 KB)

    Description

    Thrips populations and injury attributed to their feeding on nectarine and peach fruit surfaces were monitored in sprayed and unsprayed orchards in central Georgia from 1983-1988. Frankliniella tritici (Fitch), the eastern flower thrips; F. occidentalis (Pergande), the western flower thrips; and Neohydatothrips ( = Sericothrips) variabilis (Beach), the soybean thrips; were the most abundant of the 31 thrips species recovered from the orchards. Their relative abundance changed each year. The western flower thrips appears to be most damaging in causing russeting on nectarine surfaces. Silvering injury to peaches and nectarines was caused by either or both of the flower thrips and coincided with peak populations of adults at or near final fruit swell on early ripening cultivars. Soybean thrips caused little or no injury to fruit. None of the above mentioned flower thrips species were I recovered from various weed and grass species in and near the nectarine orchard during two years of overwintering studies. Control strategies are based on sampling for thrips adults and larvae.

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    Citation

    Payne, Jerry A.; Yonce, Carroll E.; Beshear, Ramona J.; Horton, Dan L. 1991. Thrips on stone fruits: formative stage of pest management. Parker, Bruce. L.; Skinner, Margaret; Lewis, Trevor, eds. Towards Understanding Thysanoptera. Gen. Tech. Rep. NE-147. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 359-369.

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