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Screening of BARI Rhizobium Biofertilizers Against 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 at the sick plot, Pulses Research Centre, Ishurdi, Pabna, Bangladesh during two consecutive years of 2010-11 and 2011-12 to screen out the effective BARI Rhizobium Biofertilizers against foot and root rot of chickpea. Six BARI Rhizobium strains viz. BARI Rca 201, BARI Rca 220, BARI Rca 202, BARI chickpea Rajshahi, BARI Rca IC 59 and BARI Chickpea pulse 1 were used as treatments. In 2010-11, foot and root rot incidence ranged from 9.78-26.63%, while the lowest incidence was recorded in BARI Chickpea Rajshahi, but the highest incidence was recorded in untreated control. BARI Chickpea Rajshahi gave the highest plant survival (90.22%) and control treatment gave the lowest plant survival (72.55%). BARI Chickpea Rajshahi treated plots reduced maximum foot and root rot incidence (63.27%) over untreated control. Similar trends of the results were observed in 201112. The highest yield was obtained from BARI Chickpea Rajshahi with 2090 and 2040 kg/ha during 2010-11 and 2011-12, respectively, and the lowest yield was obtained from untreated control for both the years.

Keywords: Screening, Rhizobium biofertilizers, Foot and root rot, Chickpea

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

Start Date: 00-00-2010

End Date: 00-00-2012

Program Area: Crop-Soil-Water Management

Commodity: Chickpea, Bio fertilizer, Diseases

Objectives:

To screen out the effective BARI Rhizobium Biofertilizers against foot and root rot and yield of chickpea.

Methodology:

The experiment was conducted in the sick plot at Pulses Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh during two consecutive years of 2010-11 and 2011-12. 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 three replications. The unit plot size was 1.6 m x 1.5 m and plant spacing was 40 cm with continuous sowing for the experiment. Six BARI Rhizobium Biofertilizers viz. BARI Rca 201, BARI Rca 220, BARI Rca 202, BARI chickpea Rajshahi, BARI Rca IC 59 and BARI Chickpea pulse 1 were used as treatments. Chickpea variety BARIchola 1 was used in this experiment. Seeds were initially moistened with molasses at the rate of 40 g per kg seed and then the seeds were thoroughly mixed with peat based BARI Rhizobium Biofertilizers @ 40 g per kg seed before sowing, where biofertilizer contained 108 Rhizobial cells/mg (Somasegaran and Hoben, 1994). The inoculant-coated seeds were sown at the afternoon on November 9, 2010, and November 16, 2011, respectively, 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 regularly inspected 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 March 16, 2011, and March 20, 2012, respectively. Data were recorded on foot and root rot, plant survival, 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: ABC Journal of Advanced Research, Volume 4, No 2 (2015); ISSN 2304-2621(p); 2312-203X (e)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Seed treatment with BARI Chickpea Rajshahi @ 40 g/kg seeds showed better performance followed by BARI Rca IC 59 and BARI Chickpea pulse 1 in respect of foot and root rot disease control and increase yield of chickpea.

Knowledge Management: Journal