Low-level Augmentation of Trichogramma pretiosum and Naturally Occurring Trichogramma spp. Parasitism of Heliothis spp. in Cotton in Louisiana

Author： JOHNSON S. J.

Publisher： Entomological Society of America

ISSN： 1938-2936

Source： Environmental Entomology, Vol.14, Iss.1, 1985-02, pp. : 28-31

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