บทคัดย่องานวิจัย

หมวดหมู่ : ฐานข้อมูลงานวิจัย

Use of plant and mineral powders as an alternative for the control of fungi in stored maize grain.

Hernandez Anguiano, A. M.; Rosas Romero, M.; Aguilera Pena, M. M.; Lagunes Tejeda, A.;

Agrociencia Year: 1998 Vol: 32 Issue: 1 Pages: 75-79 Ref: 9 ref.

1998

บทคัดย่อ

Use of plant and mineral powders as an alternative for the control of fungi in stored maize grain.

The efficiency of powders (at 1%) of vegetal and mineral origin for the control of fungi associated with stored maize grain was evaluated. Plants were Gliricidia sepium, Guazuma tomentosa, Gnaphalium inoratatum, Melia azedarach, Neurolaena lobata, Pyracantha koidzumii and Ricinus communis. Minerals were adsorcite, lime, marble, rob and light teckies, in 5 tropical locations in Mexico. The control treatments were malathion 4% D (in 1% doses) and an untreated control. The samples were processed in the laboratory to prepare disinfected grains (D) and grain without disinfection (ND). A total of 32 species of fungi were identified. The most common were Rhizopus sp., Penicillium sp., Aspergillus spp. and Fusarium spp. There were inconsistencies in the results obtained among the locations. The treatments of G. sepium, marble, N. lobata, G. tomentosa and R. communis inhibited the development of all colonies of fungal in D and ND grain in relation to all parallel control treatments. G. sepium showed the

most fungal inhibition. G. inoratatum and P. koidzumii were less effective. The vegetal powders inhibited the development of Aspergillus sp. and Fusarium spp., Rhizopus sp., Penicillium sp., Aspergillus sp. and Fusarium spp. required different environmental conditions for their development and showed interspecific antagonism.