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Effect of Shoot Picking on Growth and Yield of Grass Pea (2018--2019)

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

M. HOSSAIN
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 2018-19 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 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: Shoot picking, Vegetables, Economic benefit, Grasspea

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

Start Date: 00-00-2018

End Date: 00-00-2019

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 2018-19. The experimental area is located under 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 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 01 November 2018 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 30 March 2019. 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 2018-2019, Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Plant height was affected by the different times of shoot picking of grass pea for vegetables. Maximum plant height was attained when no-shoot picking (Control) was done at all the period except 20 DAE (days after emergence) and minimum plant height was observed when three times shoot (T₃ and T₄treatments) were harvested. The yield attributes of grass pea were a significant effect due to time of shoot picking except for pant population, a number of seeds pod^-1 and thousand seed weight. The maximum number of branches plant^-1 (5.40) and pod plant^-1 (42) was recorded in T₁ and the lowest number of branches plant^-1 (3.47) was obtained from T6 (control). The numbers of seeds pod^-1 and 1000-seed weight did not differ significantly among the treatments. The highest yield (992 kg ha-1) was recorded from a one-time vegetable harvest at 40 DAE (T₁) which was followed by T₂ (925 kg ha^-1) might be due to the cumulative effect of yield contributing characters i.e. number of pods plant^-1 and branches plant^-1The highest amount of vegetable (Tk. 41417 ha^-1) was obtained from four times of shoot picking (T₄). 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 DAE (T₃). The minimum gross return (Tk. 30333 ha^-1) and gross margin (Tk. 8333 ha^-1) were in control. 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). The result shows that one-time shoot picking for vegetables gave higher seed yield but four times of shoot picking gave the high amount of vegetables 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