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Effect of Shoot Picking on Growth and Yield of Grass Pea (2019--2020)

J. HOSSAIN
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M.O. ALI
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M. A. ISLAM
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

R. U. CHOUDHURY
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Abstract/ Executive Summary:

The field experiment was carried out at Pulses Research Centre and Regional Agricultural Research Station, Ishurdi during rabi season 2019-20 to find out the effect of shoot picking for vegetables 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 result shows that one-time shoot picking for vegetables gave a higher seed yield but four times of shoot picking gave a high amount of vegetables. However, the maximum gross return, gross margin, and BCR were obtained from two times vegetable harvest at 60 & 70 DAE.

Keywords: Shoot picking, Economic benefit, Grasspea

Location: ulses Research Centre and Regional Agricultural Research Station, Ishurdi

Start Date: 00-00-2019

End Date: 00-00-2020

Program Area: Variety and Species

Commodity: Grasspea

Objectives:

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

Methodology:

The field experiment was conducted at Pulses Research Centre and Regional Agricultural Research Station, Ishurdi, Pabna during rabi season 2019-20. The experimental area is located under the High Gangis 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 kg ha^-1, respectively. One-third of urea and the entire amount of all the fertilizers were applied before seed broadcasting and the rest two-third of urea was applied as top dress after rice harvesting (after 7 days). BARI Khesari-3 was broadcasted on 07 November 2019 in the existing rice field before 15 days of rice harvest and the seed rate was 60 kg ha^-1. One hand weeding was done 40 days after sowing (DAS) for controlling the weed. Tafgor (@ 2ml L^-1) and Rovral were used one time for controlling green aphid and powdery mildew at 70 DAS. The crop was harvested on 02 April 2020. Data on yield contributing characters were recorded from 10 randomly selected plants from each plot and grain yield (kg ha^-1) was 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 2019-2020, Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The vegetable yield was affected by the different times of shoot picking of grass pea and more times shoot picking gave more vegetables. Four times vegetable harvest at 40, 50, 60 & 70 DAE (T₄) gave the highest vegetable yield which was 1128 kg ha^-1 and one-time vegetable harvest at 40 DAE (T₁) provided 84 kg ha^-1_,which was the lowest vegetable yield. Plant height, branches plant^-1, pod length, seeds pod^-1and 1000-seed weight had no significant difference but pods plant^-1and seed yield had significant differences due to time of shoot picking. The plant height varied from 82 cm to 88 cm, branches plant^-1 ranged from 6.20 to 5.27, pod length fluctuated 3.67 cm -3.40 cm, numbers of seeds pod^-1 differed 3.80 cm -3.27 cm and 1000-seed weight was 71 g- 70 g. The highest pod plant^-1 (47) was recorded in T₁ and the lowest pod plant^-1 (34) was obtained from T_4.Similarly, the highest yield (1033 kg ha^-1) was recorded from one-time vegetable harvest at 40 DAE (T₁) which was followed by T₆ (980 kg ha^-1) and the lowest yield (689 kg ha^-1) was recorded from four times vegetable harvest at 40, 50, 60 & 70 DAE (T₄). This might be due to the effect of the number of pods plant^-1. Two times vegetable harvest at 60 & 70 DAE (T₅) gave the maximum gross return (Tk. 64150 ha^-1) and gross margin (Tk. 38150 ha^-1) followed by four times vegetable harvest at 40, 50, 60 & 70 DAE (T₄). The minimum gross return (Tk. 48575 ha^-1) and gross margin (Tk. 24175 ha^-1) were at two times vegetable harvest at 40 & 50 DAE. The highest BCR (2.47) was at two times vegetable harvest at 60 & 70 DAE and two times vegetable harvest at 40 & 50 DAE gave the lowest BCR (1.99).

Knowledge Management: Report/Proceedings