Abstract

MORALES-SOTO, Arianna et al. Effect of three beneficial fungi and Sulfur on harmful insects in the common bean crop (Phaseolus vulgaris L). cultrop [online]. 2019, vol.40, n.3, e01.  Epub Sep 05, 2019. ISSN 0258-5936.

The present work was carried out in the "La Berta" farm located in the municipality of Alquízar, Artemisa province, with the objective of evaluating the effectiveness of the fungi Lecanicillium lecanii (Zimm) Zare & Gams, Trichoderma harzianum Rifai and Metarhizium anisopliae sensu lato ( Metsch) Sorokin at a dose of 1012 conidia ha-1 and Sulfur at a dose of 3 kg ha-1 (ai), applied weekly in the leaf area of the plant, in the control of thrips (Thrips palmi Karny), leaves jumps (Empoasca kraemeri Ross & Moore) and whitefly (Bemisia tabaci Gennadius), in the cultivation of common bean (Phaseolus vulgaris L.), variety CC-25-9N. A randomized block design with five treatments and four replications was used. The population of the insects was evaluated weekly, after the start of the applications, and a total of six evaluations were made. In addition, performance and some of its components were evaluated. All three fungi reduced insect populations compared to control, although the greatest effect was achieved with Metarhizium and Lecanicillium. The applications with fungi and sulfur also caused a positive effect on crop yield and its components.

Keywords : Beans; entomopathogenic fungi; sulfur; yield.

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