TROVÃO, D. M. B. M.; http://lattes.cnpq.br/9847281267040916; TROVÃO, Dilma Maria de Brito Melo.
Résumé:
The present work aimed to evaluate the
phosphine purge in seeds of
corn and beans stored in the region polarized by Campina
Grande-PB, besides checking the possible effects of fumigant
on germination, vigor and moisture content of these
seeds. In fairs and markets in the region,
questionnaires to 100 producers and / or traders.
evidenced that the use of phosphine is widespread and that even
without technical guidance, the product is used in a manner
satisfactory, although the handling is not optimal and the
dosages employed are higher than recommended. In
laboratory, corn and bean seeds were subjected to
phosphine purge at dosages of 15, 30 and 45 tablets
GASTOXIN / m3 and exposure periods of 0, 24, 48, 72,
96 and 120 hours, with no significant changes in the characteristics studied.