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Comparison of Ipm Package for Major Insect Pests of Mungbean from World Vegetable Centre with Current Recommended Practice

Md. Altaf Hossain
Pulses Research Center, Bangladesh Agricultural Research Institute, Ishurdi, Pabna, Bangladesh

Md. Mahbubur Rahman
Pulses Research Center, Bangladesh Agricultural Research Institute, Ishurdi, Pabna, Bangladesh

Mohammad Hossain
Pulses Research Center, Bangladesh Agricultural Research Institute, Ishurdi, Pabna, Bangladesh

Abstract/ Executive Summary:

Effectiveness of integrated management approaches using blue sticky trap, pheromone trap, bio and synthetic insecticides were evaluated against major insects like, flower thrips and pod borers of mungbean at Pulses Research Centre, Ishurdi, Pabna, Bangladesh during kharif-1, 2018. All of the management packages significantly reduced flower infestation, thrips population and pod borer infestation in mungbean. The highest percentage of reduction of flower infestation (84.63%) , thrips population (86.80%) and pod borer infestation (71.43%) was found in IPM package 3 i.e. Installing blue sticky trap + two spraying of chlorfenapyr (Intrepid 10 EC) @ 1 ml/l + third spraying with chlorantraniliprole (20%) + thiamethoxam (20%) (Virtako 40 WG) @ 0.15 g/l followed by IPM package 1: Installing blue sticky trap & pheromone trap + two spraying of azadiractin (Biomeem plus 1EC) @ 1 ml/l + third spraying with spinosad (Success 2.5 EC) @ 1.2 ml/l. The hi9ghest yield (1128 kg/ha) was also obtained from IPM package 3 which was statistically to IPM package 1. Therefore, considering environment friendliness “Installation of blue sticky trap & pheromone trap + two spraying of azadiractin (Biomeem plus 1EC) @ 1 ml/l + third spraying with spinosad (Success 2.5 EC) @ 1.2 ml/l would be the best package for controlling of major insects with higher yield of mungbean.

Keywords: Insect pests, IPM, Mungbean, Pheromone trap, Blue sticky trap

Location: Pulses Research Centre, Ishurdi, Pabna, Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2018

Program Area: Pest Management

Commodity: Insects, Mungbean

Objectives:

To developing economic and effective integrated management package using blue sticky trap, pheromone trap, bio & synthetic insecticides.

Methodology:

The experiment was conducted at Pulses Research Centre, Ishurdi, Pabna, Bangladesh during kharif-I, 2018. Installing blue sticky trap & pheromone trap and application of bio & synthetic insecticides considered as treatments of the experiment which were: T₁ = IPM Package 1: Installing blue sticky trap & pheromone trap + two spraying of azadiractin (Biomeem plus 1EC) @ 1 ml/l for sucking and leaf feeding pests + third spraying with spinosad (Success 2.5 EC) @ 1.2 ml/l for flower and pod borer insects, T₂ = IPM Package 2: Installing blue sticky trap & pheromone trap + Three spraying of azadiractin (Biomeem plus 1EC) @ 1 ml/l for sucking, leaf feeding and borer pests, T₃ = IPM package 3: Installing blue sticky trap + Two spraying of chlorfenapyr (Intrepid 10 EC) @ 1 ml/l for sucking and leaf feeding pests + third spraying with chlorantraniliprole (20%) + thiamethoxam (20%) (Virtako 40 WG) @ 0.15 g/l for flower and pod borer insects, T₄= Farmers practice: Three spraying of imidachloprid (Imitaf 20 SL) @ 0.5 ml/l of water at vegetative, flowering and podding stage, T₅= Untreated control (water spray only). The experiment was laid out in randomized complete block design with three dispersed replications. The treatments were randomly allotted in each block. The unit plot size was 4.8m x 4m with a distance of 100 cm between the plots and 150 cm between the replications. The seeds of BARI Mung-6 were sown on March 30, 2018 in rows with the spacing of 30 cm. The populations of the plant were maintained constant by keeping plant to plant distance of 7 cm. Urea, triple super phosphate, muriate of potash and boric acid were applied in the plots @ 40-90-40-7.5 kg/ha during final land preparation. Post sowing flood irrigation was done to provide sufficient soil moisture for seed germination to get optimum plant population in all the treatments. Blue sticky trap and sex pheromone traps for Maruca virtata and Helicoverpa armigera were installed (one trap/plot) at flower bud initiation stage and kept in the field up to harvest. Treatment wise bio & synthetic insecticides were sprayed first at 35 days after sowing when plants were in 100% flowering and second spray was done at 42 DAS when plants were in peak flowering & podding stage and third spraying was done at 49 DAS when plants were in seed developing stage. The population data of flower thrips were collected before every spray application and after 24 hrs of each spraying. Thrips population was assessed from 20 opened flower randomly collected from two rows from each plot avoiding border and central four rows. The collected flowers were immediately opened on the white paper board and counted the adult and immature thrips present in the flowers. Central four rows were kept undisturbed for recording yield data. Number of thrips were counted per blue sticky trap at peak flowering stage and numbers of moth caught in the traps were recorded at 7 days interval till harvest. At maturity, all the pods were collected from 10 randomly selected plants from central four rows of each plot and examined. The infested (bored) and total numbers of pods were counted and the percent pod infestation was determined using the following formula: % Pod infestation = Number of infested pods/Total number of pods x 100. The pods of central four rows of each plot comprising 4.8 m² area were harvested. The pods were then threshed; grains were cleaned and dried in the bright sunshine. The grain yield was obtained from each plot was converted into per hectare. The experimental data were analyzed by Genstat software. The per cent infestation data were transformed by square root for statistical analysis. Mean comparisons for treatment parameters were compared using Duncan’s Multiple Range Test at 5% level of significance.

Source of Information: Annual Research Report: 2017-2018, Pulses Research Center, RARS, Bangladesh Agricultural Research Institute, Ishurdi, Pabna, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The overall results of this experiment it is seen that flower infestation, thrips population and pod borer infestation reduced significantly by installation of blue sticky trap, pheromone trap and application of bio & synthetic insecticides. Flower infestation and thrips population were reduced 56.27 to 84.63% and 63.11 to 86.80%, respectively depending on the efficacy of the IPM packages. Pod borer infestation reduced 47.72 to 71.43%. The highest percentage of reduction of flower infestation, thrips population and pod borer infestation was found in the IPM package 3: IPM package 3: Installing blue sticky trap + two spraying of chlorfenapyr (Intrepid 10 EC) @ 1 ml/l + third spraying with chlorantraniliprole (20%) + thiamethoxam (20%) (Virtako 40 WG) @ 0.15 g/l followed by IPM package 1: Installing blue sticky trap & pheromone trap + two spraying of azadiractin (Biomeem plus 1EC) @ 1 ml/l + third spraying with spinosad (Success 2.5 EC) @ 1.2 ml/l. The efficacy of IPM package 3 is little bit higher than IPM package 1 but the yield obtained both the package are statistically similar. Threfore, considering environment friendliness “Installation of blue sticky trap & pheromone trap + two spraying of azadiractin (Biomeem plus 1EC) @ 1 ml/l + third spraying with spinosad (Success 2.5 EC) @ 1.2 ml/l would be the best package for controlling of major insect pests of mungbean with higher yield. As it is first year study, it should be repeated in next year for more confirmation of the result.

Knowledge Management: Report/Proceedings