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Seed Treatment with Rhizobium Biofertilizer for Controlling Foot and Root Rot of Chickpea

K. M. Khalequzzaman
Principal Scientific Officer (Plant Pathology)
Spices Research Centre (SRC), Bangladesh Agricultural Research Institute (BARI), Shibganj, Bogura, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted in the sick plot at Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh during 2008-09 to find out the effect of Rhizobium Biofertilizer against foot and root rot of Chickpea varieties. The chickpea varieties were BARIchola -1, BARIchola- 2, BARIchola -3, BARIchola- 4 and BARIchola -5. Seeds were thoroughly inoculated with Biofertilizer (BARI Biofertilizer Rca 202) @ 50 g/kg seed before sowing, where biofertilzer contained 108 Rhizobial cells/mg. The inoculantcoated seeds were sown at the afternoon and furrow was filled up just after seed sowing. The control treatment was BARIchola - 1 without inoculated. BARIchola- 5 showed minimum (9.83%) foot and root rot incidence while BARIchola -1 (untreated) showed the highest incidence (21.22%). The highest number of pods per plant (94.45), number of seeds per plant (143.95), weight of seeds per plant (22.25 g) and yield (1972 kg/ha) were recorded in BARIchola 5 and the lowest of these parameters were recorded in BARIchola -1 without inoculum (control). So, farmers may cultivate BARIchola -5 when seed inoculated with BARI Biofertilizer Rca 202 @ 50 g/kg seed for disease reduction and increasing yield.

Keywords: Biofertilizer, Chickpea, Foot and Root rot, Rhizobium, Seed treatment

Location: Pulses Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh

Start Date: 01-11-2008

End Date: 30-04-2009

Program Area: Pest Management

Commodity: Chickpea, Diseases

Objectives:

To find out the effect of Rhizobium Biofertilizer against foot and root rot of chickpea varieties.

Methodology:

The experiment was conducted in the sick plot at Pulses Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh during 2008-09. The experimental plot was prepared with five ploughings and cross ploughings followed by laddering to break the clods as well as level the soil. The weeds and stubbles of previous crops were collected and removed from the soil. No any chemical fertilizers were applied. The experiment was carried out following Randomized Complete Block Design with five replications. The unit plot size was 4.0 m x 2.0 m and plant spacing was 30 cm with continuous sowing for the experiment. The chickpea varieties were BARIchola -1, BARIchola -2, BARIchola- 3, BARIchola -4 and BARIchola 5. Seeds were initially moistened with molasses at the rate of 50 g per kg seed and then the seeds were thoroughly mixed with peat based Biofertilizer (BARI Biofertilizer Rca 202) @ 50 g/kg seed before sowing, where biofertilzer contained 108 Rhizobial cells/mg (Somasegaran and Hoben, 1994). The control treatment was BARIchola -1 without inoculated. The inoculant-coated seeds were sown at the afternoon on November 20, 2008 and furrow was filled up just after seed sowing. Intercultural operations were done as per needed and to maintain the normal hygienic condition of crop in the field. During the growing period the plots were inspected regularly to record the incidence of foot and root rot disease from seedling to maturity stage of the crop. Dead plants were counted and removed from the field. Disease plant parts were collected and brought into the laboratory for identifying foot and root rot causal pathogens. The crop was harvested on April 1, 2009. Data were recorded on foot and root rot, plant survival, root length, number of nodules/plant, plant height, number of pods/plant, number of seeds/plant, weight of seeds/plant and yield (kg/ha). The incidence of foot and root rot of lentil was recorded at every alternate day. The incidence of foot and root rot of chickpea was calculated.

The recorded data were analyzed statistically to find out the level of significance and the variations among the respective data were compared following Duncan’s New Multiple Range Test (DMRT) according to Gomez and Gomez (1984).

Source of Information: International Journal of Scientific Research in Agricultural Sciences, 2(6), pp. 144-150, 2015; ISSN: 2345-6795

Article Link (Online Journal): http://dx.doi.org/10.12983/ijsras-2015-p0144-0150

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The chickpea variety BARIchola 5 showed minimum foot and root rot incidence and maximum yield when seed inoculated with BARI Biofertilizer Rca 202 @ 50 g/kg seed. So, farmers may cultivate BARIchola -5 when seed inoculated with BARI Biofertilizer Rca 202 @ 50 g/kg seed for disease reduction and increasing yield.

Knowledge Management: Journal