EVALUACIÓN DEL CONTROL DE Dendroctonus mexicanus MEDIANTE LA FUMIGACIÓN CON FOSFAMINA

Authors

  • Jaime Villa Castillo Biólogo. Investigador de la Red de Entomología del Campo Experimental Auxiliar Ciudad Guzmán. CJR-Pacífico Centro. INIFAP

Keywords:

Bark beatle, Forest Entomology, forest pests, chemical control

Abstract

Of insects attacking various pine species in Mexico, the bark beatle Dendroctonus mexicanus Hopkins is thought to be the main pest given its distribution and the damages it causes. To reduce the damage of this pest, it was recently proposed to fumigate infested areas by using phosphamine derived as a gas from aluminum phosphide tablets.
However, the lack of elements to decide on the optimum dosis, safety limitations and the lack of data to manage this pesticide prompted this study to determine the mortality rates in mature and immature stages of D. mexicanus fumigated with phosphamine as well as the L D 50 and L D 95 doses and the effect of this gas on natural enemies.
The study was conducted in june, 1989 in Pinus leiophylla forests of El Tigre mountains in Gomez Farias, Jalisco.
The experimental design used was of random blocks arrayed in divided parcels with four fumigation doses, three exposure times and five repetitions.
The results showed that the three and five tablet doses had the highest rates with the
D. mexicanus population. L D 95 for exposure times of 3, 5 and 7 days. was 158, 115, and 97 g ofphosphamine per m3 ofwood, respectively.
As to the beneficial entomofauna, the results showed that every lethal dose for the pest population was also lethal for natural enemies.

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Published

2021-01-24

How to Cite

Villa Castillo, Jaime. 2021. “EVALUACIÓN DEL CONTROL DE Dendroctonus Mexicanus MEDIANTE LA FUMIGACIÓN CON FOSFAMINA”. Revista Mexicana De Ciencias Forestales 17 (72). México, ME:55-75. https://cienciasforestales.inifap.gob.mx/index.php/forestales/article/view/1065.

Issue

Vol. 17 No. 72 (1992): Ciencia Forestal en México

Section

Scientific article

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