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71. Derived from: Legner, E. F., R. D. Sjogren & J. T.
Wiles. 1970. Effects of low biuret urea on natural
populations of Hippelates collusor (Townsend) and Leptoconops kerteszi (Kieffer). J.
Amer. Mosq. Contr. Assoc. 30(4):
634-640. Reduction of naturally breeding
field populations of Hippelates collusor and Leptoconops kertesi
were obtained with granular and spray applications of urea (CO (NH2)2) to the
soil. Control ranged from 10 to
36 percent, depending on the dosage and method of application (disked or
surface application). Possible modes
of action and the use of urea as a substance harmless to natural enemies in
the integrated control of pestiferous soil arthropods are discussed. Page 633 Page 634 Page 635 Page 636 Page 637 Page 638 Page 639 Page 640 |
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