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Effect of Sowing Time Based Temperature Variation on Growth, Yield and Seed Quality of Gardenpea

M. Z. Ali
SO
Agronomy Division, Gazipur

M. A. I. Sarker
SO
ARS, Burirhat, Rangpur

Abstract/ Executive Summary:

A field experiment was conducted at the research field of Agronomy Division, BARI, Joydebpur, Gazipur and ARS, Burirhat, Rangpur to evaluate crop growth, yield and seed quality of garden pea in response to temperature variation prevailed at different sowing dates vij. 10 November, 20 November, 30 November, 10 December, 20 December and 30 December. The sowing dates based temperature variation significantly affected total dry matter (TDM) production, crop growth rate, yield and seed quality of BARI Motorshuti-3. November 20-30 sowing plants performed better and the later the planting dates were the greater the reduction in grain growth duration, seed yield and seed quality. November 20-30 sowing plants produced higher crop growth rate, TDM, yield and seed quality of BARI Motorshuti-3 than other sowing dates. Results revealed that November 20-30 would be optimum time of sowing of gardenpea for maximum yield and quality seed.

Keywords: Sowing time, Temperature variation, Growth, Yield, Seed quality, Gardenpea

Location: Joydebpur, Gazipur and ARS, Burirhat, Rangpur

Start Date: 00-11-2010

End Date: 00-00-2011

Program Area: Crop-Soil-Water Management

Commodity: Gardenpea

Objectives:

The present experiment was conducted to evaluate the crop growth pattern, yield and seed quality under different temperature resulted from different sowing time.

Methodology:

The trial was conducted at the research field of Agronomy Division, BARI, Joydebpur, Gazipur and ARS, Burirhat, Rangpur during rabi season of 2010-2011. Six sowing dates (10 November, 20 November, 30 November, 10 December, 20 December and 30 December) were evaluated in RCB design with 3 replications. The unit plot size was 3 m x 4 m. BARI Motorshuti-3 was used in the experiment. Fertilizers @ N60P28K40S12 kg/ha were applied in the form of urea, triple super phosphate (TSP), muriate of potash (MoP) and zinc sulphate, respectively. All fertilizers were applied as basal. Intercultural operations such as weeding, thinning and irrigations were done as and when required. For dry matter estimation and crop growth analysis 5 plants were sampled at 5 days interval up to maturity. The collected samples were dried component-wise in an oven at 70⁰C for 72 hours. The yield component data was taken from 10 randomly selected plants from each plot and the yield data was recorded plot wise. The collected data were analyzed statistically and the means were adjusted following LSD test. Seed protein content was analyzed by Neo infrared analyzer (NIR) (DA 7200 Diode Array Analyzer). Following ISTA (1999) rules seed quality such as % moisture content, seed germination (%) and vigor index (Abdul-Baki and Anderson, 1973) were recorded by the following formulae: % Moisture Content = Where, M₁ = Weight in grams of the container and its cover, M₂ = Weight in grams of the container, its cover and gardenpea seed before drying, and M₃ = Weight in grams of the container, cover and gardenpea seed after drying Seed germination (%) = Vigor index (V_I) = Average seedling dry weight (g) x seed germination (%)

Source of Information: Annual Report, Agronomy Division 2010-2011

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 25,000/-

Total Budget (Tk.) : 25,000/-

Achievement/Findings:

November 20-30 sowing plants produced higher crop growth rate, TDM, yield and seed quality of BARI Motorshuti-3 than other sowing dates. Results revealed that November 20-30 would be optimum time of sowing of gardenpea for maximum yield and quality seed. From the it might be be concluded that November 20-30 sowing would be optimum time of sowing for producing maximum seed yield and quality seed of gardenpea.

Knowledge Management: Report/Proceedings