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Effect of soil management on the white grub population and damage in soybean PAB
OLIVEIRA,LENITA JACOB; HOFFMANN-CAMPO,CLARA BEATRIZ; GARCIA,MARIA ALICE.
To evaluate the effect of soil management systems on population of white grubs, (Phyllophaga cuyabana Moser), and on its damage in soybean, experiments were set up under no-tillage and conventional tillage (one disk plow, and a leveling disk harrow) areas. Primary tillage equipment, used in other soil management systems, such as moldboard plow, disk plow, chisel plow and heavy duty disk harrow were also tested. Fluctuation of P. cuyabana population and the extent of its damage to soybean was similar under no-tillage and conventional tillage systems. Results comparing a range of primary tillage equipment showed that it affected soil insect populations differently, depending on the time during the season in which tillage was executed. Larval mortality could...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Coleoptera; Scarabaeoidea; Melolonthidae; Phyllophaga cuyabana; Cultural control; Pest control.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2000000500004
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