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Growth and Reproductive Behaviour of Chickpea (cicer Arietinum L.) as Influenced by Supplemental Application of Nitrogen, Irrigation and Hormone

Indrajit Roy
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh

Md. Nazmul Haque
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh

Khursheda Parvin
Department of Horticulture, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted during the period from 11 December, 2012 to 30 March 2013 to study the effect of supplementary nitrogen, irrigation and hormones on flower droppings, growth and reproductive behaviour of chickpea. Statistically significant variation was recorded for different rowth and reproductive parameters. Results showed that BARI chola-9 gave the highest plant height, number of branches plant^-1, dry matter content plant^-1 , pod remaining, pod length, seed yield and the lowest flower dropping, pod dropping, total dropping. Among the supplemental treatments, the highest plant height, number of branches plant^-1, dry matter content plant^-1, pod remaining, pod length, seed yield and the lowest flower dropping, pod dropping, total dropping were found from supplemental irrigation + aqueous N before flowering. In case of treatment combination, the highest plant height (39.31 cm), number of branches plant^-1 (6.53), dry matter content plant^-1 (7.02 g), pod remaining (39.67 %), pod length (1.96 cm), seed yield (1.94 t ha^-1 ) and the lowest flower dropping (57.27 %), pod dropping (3.07 %), total dropping (60.33 %) was recorded from BARI chola-9 with supplemental irrigation + aqueous N before flowering.

Keywords: Cicer arietinum L.; hormone; irrigation; nitrogen; seed yield

Location: Experimental Farm, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Start Date: 11-12-2012

End Date: 30-03-2013

Program Area: Crop-Soil-Water Management

Commodity: Chickpea

Objectives:

To study the effect of supplementary nitrogen, irrigation and hormones on flower droppings, growth and reproductive behavior of chickpea

Methodology:

A field experiment was conducted at Sher-e-Bangla Agricultural University, Dhaka, Bangladesh situated at 23°74'N latitude and 90°35' Elongitudeat an altitude of 8.6 meter above the sea level during the period from December 11, 2012 to March 30, 2013. The soil of the experimental site was sandy loam with pH and Cation Exchange capacity (CEC) 5.6 and 2.64 meq/100 g soil, respectively.The experimental site is under subtropical humid climatic conditions. Experimental treatments: The experiment was consists of two chickpea varieties viz.,V₁-BARI chola 8,V₂-BARI chola9 and five supplementary treatmentsi.e.T₁-(no spray at flowering and afterwards) (control), T₂-supplemental irrigation before flowering, T₃-supplemental irrigation + aqueous N before flowering, T₄-PRH (a phytohormone) spray before flowering and T₅-Kinetine spray before flowering. Planting materials, design and plot size: The variety BARI chola 8 and BARI chola 9 were used as the test crops. The two factors experiment was laid out in split-plot design with three replications. The two varieties were assigned in the main plot and five supplementary treatments in sub-plot. The size of the each unit plot was 4.0 m × 3.2 m. The space between two blocks and two plots were 1.0 m and 0.5 m, respectively. Fertilizer application: Urea, Triple super phosphate, Muriate of potash, gypsum, zinc sulphate and boric acid were applied at the rate of 50, 90, 40, 110, 7 and 10 kg ha-1, respectively. All of the fertilizers except urea were applied during final land preparation. Supplemental irrigation before flowering: Supplementary irrigation was applied before flowering and it was done at 15 February at 65 Days after Sowing (DAS). Selected 6 plots were provided with flood irrigation. SIBF + Aqueous N before flowering: SIBF + Aqueous N before flowering was applied before flowering and done at 05 February at 55 DAS. Selected 6 plots were provided with flood irrigation and aqueous N. For aqueous nitrogen 153.6 g urea were mixed with 6 liter of water and sprayed in the plots. PRH (a phytohormone) spray before flowering: PRH were sprayed before flowering and solution were made by adding 12 spoons of PRH with 6 liter of water and applied at 05 February at 55 DAS. Kinetine spray before flowering: Kinetine (kinetine puriss CHR : 6-Furfurylaminopurine, C₁₀H₅O_H) were sprayed before flowering and solution were made by adding 150 mg kinetene and 10 ml ethanol with 6 liter of water and applied at 05 February at 55 DAS. Dry matter content plant^-1: After taking fresh weight at 60, 75, 90 and 105 DAS, the sample was sliced into very thin pieces and put into envelop then placed in oven maintained at 70⁰C for 72 hours. It was then transferred into desiccators and allowed to cool down at room temperature. The final dry matter content was taken. Flower and pod dropping: Flower and pod dropping was counted for 5 selected plants and recorded in each plot. Statistical analysis: Collected data were statistically analyzed to find out the level of significance using MSTAT-C computer package programme. The mean differences were assessed by least significant difference (LSD) at 5% level of probability.

Source of Information: Plant Science Today, 3(1): 30-40, (2016)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

BARI chola-9 cultivated with applying supplemental irrigation along with aqueous N before flowering gave better growth, lower droppings and higher yield of chickpea.

Knowledge Management: Journal