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Effect of Shoot Picking on Growth and Yield of Grass Pea

J. Hossain
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

M. O. Ali
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

M. A. Islam
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

M. Hossain
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

Abstract/ Executive Summary:

The field experiment was carried out at Pulses Research Centre and Regional Agricultural Research Station, Ishurdi during rabi season 2018-19 to find out the effect of shoot picking for vegetable on growth, yield and economic return of grass pea. The treatments used for the experiment were T₁ = One time Vegetable harvest at 40 DAE (days after emergence), T₂=Two times vegetable harvest at 40 & 50 DAE, T₃ = Three times vegetable harvest at 40, 50 &60 DAE, T₄ = Four times vegetable harvest at 40, 50, 60 & 70 DAE, T₅ = Two times vegetable harvest at 60 & 70 DAE and T₆ = Control. The highest seed yield (992 kg ha^-1) was obtained from one time shoot picking at 40 DAE. Four times vegetable harvest at 40, 50, 60 & 70 DAE (T₄) gave the maximum gross return (TK. 74750 ha^-1) and gross margin (Tk. 47550 ha^-1) followed by three times vegetable harvest at 40, 50 &60 DAE (T₃). The highest BCR (2.75) was at four times vegetable harvest at 40, 50, 60 & 70 DAE and control gave the lowest BCR (1.38).

Keywords: Growth, Yield, Grass Pea, Vegetable, BCR

Location: Pulses Research Centre and Regional Agricultural Research Station, Ishurdi, Pabna

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Grasspea

Objectives:

To find out the optimum time and frequency of shoot picking for vegetable, and its effect on growth and yield of vegetable and grain yield as well as economic benefit.

Methodology:

The field experiment was conducted at Pulses Research Centre and Regional Agricultural Research Station, Ishurdi, Pabna during rabi season 2018-19. The experimental area are located under High Ganges River Flood Plain (AEZ 11). The soils of the experimental plots were clay loam in texture. The experiment was laid out in randomized complete block design with three replications. It was consisted of six treatments as follows: T₁ = One time vegetable harvest at 40 DAE, T₂=Two times vegetable harvest at 40 & 50 DAE, T₃ =Three times vegetable harvest at 40, 50 &60 DAE, T₄ =Four times vegetable harvest at 40, 50, 60 & 70 DAE, T₅ =Two times vegetable harvest at 60 & 70 DAE and T₆ =Control. The unit plot size was 20 m² (5 m x 4m). The lands were fertilized with 20-20-20 N-P-K kgha^-1, respectively. One third urea and entire amount of all the fertilizers were applied before seed broadcasting and rest two third of urea was applied as top dress after rice harvesting (after 7 days). BARI Khesari-3 was broadcasted on 01 November 2018 in the existing rice field before 15 days of rice harvest and seed rate was 60 kg ha^-1. One hand weeding was done at 40 days after sowing (DAS) for controlling weed. Tafgor (@ 2ml L^-1) and Rovral were used one time for controlling green aphid and powdery mildew at 70 DAS. Crop was harvested on 30 March 2019. Data on yield contributing characters were recorded from 10 randomly selected plants from each plot and grain yield (kg ha^-1) were recorded from the whole plot. R-software package was used for all statistical analyses. The mean differences between treatments were separated by the least significant difference (LSD) at P≤ 0.05 for the measured variables.

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

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The result shows that one time shoot picking for vegetable gave higher seed yield but four times of shoot picking gave high amount of vegetable that affect the gross return, gross margin and BCR. However, this result is different from the first year result. So, it should be continued for the next season for further confirmation.

Knowledge Management: Report/Proceedings