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Influence of Sulphur on Morpho-physiological and Yield Parameters of Rapeseed (brassica Campestris L.)

Ferdousi Begum
Semior Scientific Officer
Oilseed Research Centre, BARI

Feroza Hossain
Professor
Department of Botani, Jahangimagar University, Dhaka

MD. Rariqul Islam Mondal
Director General
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Abstract/ Executive Summary:

Field experiments were conducted at the Central Research Station of Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during the period from November to February in 2004-05 and 2005-06 to evaluate the effect of different levels of sulphur (0, 20, 40, 60, and 80 kg/ha) on rapeseed variety BARI Sarisha-15. Results showed that the most of the growth parameters and yield attributes were significantly influenced by different doses of sulphur. The growth parameters, yield and yield contributing characters were increased with the increasing levels of sulphur fertilizer up to 60 kg S/ha and with the doses beyond that were found to decrease. All growth parameters like plant height, leaf area, dry matter accumulation, leaf area index, crop growth rate, net assimilation rate, and relative growth rate and all yield components, such as number of siliquae per plant, seeds per siliqua, 1000-seed weight and seed yield per plant were found maximum from the treatment with 60 kg S/ha, which was at par with 80 kg S/ha. The highest seed yield were found when S was used @ 60 kg/ha. The same treatment gave 24.71% and 24.32 % higher seed yield than the control treatment, which were statistically identical with dose at 80 kg /ha of sulphur in both the years.

Keywords: Rapeseed, Sulphur, Morpho- physiological parameters, Yield parameters.

Location: Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

Start Date: 00-09-2004

End Date: 00-02-2006

Program Area: Crop-Soil-Water Management

Commodity: Mustard, Fertilizer

Objectives:

To work on the morphological and yield aspects of rapeseed, especially with sulphur fertilizer.

Methodology:

The field experiments were conducted at the Central Research Station of Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during the period from November 2004 to February 2006.The experimental field was a piece of well drained high land with moderately even topography. The area belongs to Madhupur tract (AEZ,28), clay loam in texture, having low organic matter, moderately slow permeability, and deficient in nitrogen, phosphorus, potassium, and sulphur in comparison with the standard nutrient status. The soil is acidic in nature with p^Hranging from 5.9 to 6.1. The experiments were laid out in a randomized complete block design (factorial) with three replications having plant distances 30 cm and 5 cm respectively. Plot size was 2.4 m x 3.0 m. Among the different varieties of rapeseed/mustard, a newly developed high yielding variety was selected for the study. Recommended doses of N, P, K, Zn, and B fertilizers except sulphur, intercultural operations were applied and plant protection measures were done accordingly. Sulphur was applied at the rate of 0, 20,40, 60, and 80 kg/ha in the form of gypsum as basal dose. Data were collected on growth parameters i.e., plant height, leaf area, dry matter accumulation at different growth stages starting from 18 days after emergence at 10 days interval upto 78 days. Leaf area index, crop growth rate, net assimilation rate, and relative growth rate were calculated. Data were also collected on yield parameters i.e., number of siliquae/plant, siliqua length, seeds/siliqua, 1000-seed weight, seed yield/plant, seed yield per hectare, and stover yield per hectare after harvested, collected data were statistically analyzed and treatment means were compared by least significant difference test.

Source of Information: Bangladesh J. Agril. Res. 37(4): 645-652, December 2012, (ISSN 0258-7122)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the results of the experiments, it can be concluded that application of sulphur fertilizer to rapeseed var. BARI Sarisha-15, the stimulated growth of plants which had significant effects on plant height, leaf area index, crop growth rate, and net assimilation rate. Most of the growth parameters, yield, and yield contributing characters were increased with the increasing levels of sulphur fertilizer up to 60 kg S/ha and with the doses beyond that were found to decrease the parameters .So, it may be concluded that 60 kg S/ha may be used for increasing physiological parameters and seed yield of the rapeseed variety BARI Sarisha- 15.

Knowledge Management: Journal