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Response of Promising Mungbean Varieties / Entries Against Flower Thrips and Pod Borers. Season: 2018-2019

Md. Altaf Hossain
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Abstract/ Executive Summary:

Response of promising varieties/entries of mungbean against flower thrips and pod borers were studied at Pulses Research Centre, Ishurdi, Pabna, Bangladesh during kharif-I, 2019. Flower infestation, thrips population and pod borer infestation varied significantly among the varieties/entries. The lowest flower infestation was observed in BARI Mung-8 followed by BINA Mung-8, thrips population was BARI Mung-8 followed by BMXK₁08 011-2 and pod borer infestation was BARI Mung-8 followed by BMXK1 05008-2, respectively. Significantly the highest yield (1914 kg/ha) was obtained from BMXK₁08 011-2 followed BINA Mung-8 (1657 kg/ha). Considering the insect pests reaction and yield potentiality the entry BMXK₁08 011-2 might be promising one to be a variety in future.

Keywords: Pulses, Lentil, Grain yield, Mungbean, BARI Mung-5, BARI Mung-6, BARI Mung-7, BARI Mung-8, Flower thrips, Pod borers

Location: Pulses Research Center, Ishurdi, Pabna, Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Mungbean, Borer

Objectives:

To finding out the more resistant mungbean varieties/entries against flower thrips and pod borers along with grain higher yield.

Methodology:

The experiment was conducted at Pulses Research Center, Ishurdi, Pabna, Bangladesh during kharif-I, 2019. Treatments were ten promising varieties/entries viz., BARI Mung-6, BARI Mung-7, BARI Mung-8, BINA Mung-5, BINA Mung-8, BMXK₁05008-2, BMXK₁07007-4, BMXK₁09012-1, BMXK₁ 08011-2 & MB 08. The experiment was laid out in randomized complete block design with three replications. The treatments (varieties/entries) were randomly allotted in each block. The unit plot size was 3m x 4m with a distance of 1m between the plots and 1.5 m between the replications. The seeds of the respective varieties/entries were sown on March 28 in rows with the spacing of 30 cm. The unit plot contains 10 rows x 4m. The plant populations were maintained constant by keeping plant to plant distance 7 cm. Urea, triple super phosphate, muriate of potash and boric acid were applied @ 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. The population data for thrips in flowers were collected at the peak flowering stage of the varieties/entries. Thrips population was assessed from 20 opened flowers which were randomly collected from two rows of each side of the 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.

At the maturity, all 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 per cent pod infestation was calculated. The pods of central four rows of each plot comprising 4.8 m²(1.2 x 4m) area were harvested. The pods were then threshed; grains were cleaned and sun dried. The grains obtained from each plot were converted into kg/ha. The experimental data were analyzed by Statistix 10 software. The per cent infestation data were transformed by square root for statistical analysis. Mean comparisons for treatment parameters were compared using LSD All-Pairwise Comparisons Test at 5% level of significance.

Source of Information: Annual Research Report-2018-2019, Entomology Division, Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Flower infestation, thrips population and pod borer infestation varied among the varieties/entries. Although the lowest flower infestation, thrips population and pod borer infestation was observed in BARI Mung-8 but it could not provide the highest yield. The highest yield (1914 kg/ha) was obtained from BMXK₁ 08011-2 followed by BINA Mung-8 (1657 kg/ha). The experiment will be repeated in the next year for confirmation of the results.

Knowledge Management: Report/Proceedings