Efectividad de Heterorhabditis bacteriophora para el control de la broca del café en condiciones de campo1
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Abstract
With the objective of evaluating the effectiveness of entomopathogens nematode (NEP) in the control of the coffee berry borer under field conditions the present investigation was carried out in the Tercer Frente municipality, Santiago de Cuba province. The study was developed in the period 2013-2015, in properties of three productive entities. The application of nematodes was carried out in aspersions to the soil at reason of 250 000 JI for plant. It was elaborated an application program and training that it allowed an appropriate use of the byproduct, achieving their introduction in these entities. The experimental units were the selected properties. The Index of Infestation was evaluated by coffee berry borer (IIB) before applying the nematodes and two years after the application these, also during three months after the application the Index of parasitism of these was evaluated in the different biological stadiums of development of the insect plague. The IIB lowered significantly (> 75 %) in all the experimental units the following year to the application of the nematodes. To the second year after the application the IIB continued being inferior a year it bases. The parasitism of the NEP before the drill showed in larvae, pustules and adults, the mortality a month of having applied went superior to 65 % and it diminished significantly to the second month for larvae and adults. To the third month the decrease of the alone mortality was significant in the adults.
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References
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