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Effect of Phosphorus on Growth and Nodule Formation of Indigo Plant Under Old Hymalyan Piedmont Field Condition

A. T. S. U. A. Siddiqui
MS student
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

A. K. M. M. Hossain
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

M. M. Rahman
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

S. M. Rahman
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

S. M. Sayem
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the soil science field laboratory Hajee Mohammad Danesh Science and Technology University, Dinajpur, during the period from March 28 to 23 October 2005 to evaluate the effect of phosphorus (P) on growth and nodule formation of indigo plant under Old Himalayans Piedmont field condition. The highest shoot length, , shoot dry weight, root dry weight, nodules plant^-1, number of effective nodules, dry weight of nodules plant^-1, 1000 seed weight, grain yield were obtained from the treatment 50 kg P₂O₅. The tallest shoot of 63.60 cm, 140.20 cm and 241.5 cm were recorded from the treatment 50 kg P₂O₅ at 45 DAS, 75 DAS and at harvest, respectively. The maximum dry matter of shoot 3.14, 14.74 and 71.33 g plant^-1, were recorded in the treatment 50 kg P₂O₅ at 45 DAS, 75 DAS and at harvest, respectively. The maximum dry matter yield of root 0.56 g, 1.37 g and 4.31 g plant^-1 were obtained to the treatment 50 kg P₂O₅ at 45 DAS, 75 DAS and at harvest, respectively. The control gave the minimum dry matter yield of shoot and root. The results showed that the highest number of nodule of 12.8 and 24.6 were recorded to the treatment 50 kg P₂O₅ at 45 DAS and 75 DAS, respectively.

Keywords: Nodulation, Indigo plant, Dry matter

Location: Field laboratory of Hajee Mohammad Danesh Science and Technology University, Dinajpur

Start Date: 28-03-2005

End Date: 23-10-2005

Program Area: Crop-Soil-Water Management

Commodity: Indigo

Objectives:

To evaluate the growth and nodule formation of indigo plant under Old Himalayans Piedmont field condition as affected by phosphorus.

Methodology:

A field experiment was conducted at the soil science field laboratory Hajee Mohammad Danesh Science and Technology University, Dinajpur during the period from March 28 to 23 October 2005 to evaluate the growth and nodule formation of indigo plant under Old Himalayans Piedmont field condition as affected by phosphorus. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. The experiment was conducted with nine levels of P₂O₅ viz. 0, 20, 30, 40, 50, 60, 70, 80, 90 kg ha^-1. Each of the nine of phosphorus (P) from triple super phosphate was used in the respective plots, Muriate of potash @ 110 kg ha^-1 and 50% urea@ 55 kg N ha^-1 was used as basal dose. The remaining half of urea was top dressed at 30 DAS. Intercultural operations and irrigation were done as and when necessary. Ten plants were selected from each plot before flowering and at maturity to keep on shoot length, shoot dry weight, root dry weight, no. of nodules Plant^-1, 1000- seeds weight, grain yield (Kg ha ^-1). Soil samples were collected before and harvest of crop to analyze total nitrogen and available P, S and Zn contents. Data on yield and yield components were analyzed and means were tested by Duncan’s New Multiple Range TEST (DMRT).

Source of Information: Int. J. Sustain. Crop Prod. 2(6):21-24, 2007

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The application of 50 kg P₂O₅ ha^-1 as TSP showed the better performance out of others investigated treatments on growth, nodulation and all yield characteristics. So the treatment 50 kg P₂O₅ ha^-1 had the best effect on the growth, nodulation and grain yield of indigo plant.

Knowledge Management: Journal