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Growth and Yield Responses of Chickpea Var. BARI Chola-7 Following Application of Tiba

Saiful Islam
Plant Physiology Laboratory, Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

Nargis Jahan
Plant Physiology Laboratory, Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted to evaluate the effect of TIBA (0, 10, 20, 50 and 100 ppm) on the growth and yield attributes of BARI Chola-7 laid out in RBD. Foliar application of TIBA at flower initiation stage, decreased plant height significantly with increasing concentrations of TIBA. Number of branches and leaves per plant were found to increase from 21 and 14 days after spray (DAS) onwards, respectively due to all the TIBA treatments and the maximum number of branches and leaves per plant were recorded due to 100 ppm TIBA which was statistically at par with 20 and 50 ppm TIBA. Dry matter per plant was recorded maximum from 21 DAS up to harvest due to 20 ppm TIBA. Except 100-seed weight, other yield contributing characters viz. number of seeds per plant, yield per plant, yield per hectare were also found to maximum due to 20 ppm TIBA treatment. The highest harvest index was recorded from 20 ppm TIBA.

Keywords: Chickpea, TIBA, Growth, Yield components, Yield

Location: Department of Botany, University of Dhaka

Start Date: 00-12-2017

End Date: 00-03-2018

Program Area: Variety and Species

Commodity: Chickpea

Objectives:

To find out the effects of TIBA on growth, yield and yield attributes of BARI Chola-7.

Methodology:

A field experiment was carried out at the research field of the Department of Botany, University of Dhaka during Rabi (December-March) season of 2017-2018. The experimental soil was analyzed and very low levels of nitrogen, phosphorus and low levels of potassium, sulphur and boron were recorded (FRG 2012). Cowdung, urea, TSP, MP, gypsum and boric acid were applied as basal amount during final land preparation. The experiment was laid out in randomized block design (RBD) with four replications. The unit plot size was 2 m × 1.1 m. Seeds of cickpea cv. BARI Cola-7 collected from BARI, Joydebpur, Gazipur were sown on 29th November 2017 in rows having a gap of 40 cm. Plants in rows were maintained 15 cm apart by thinning seedlings at 15 days after sowing. Intercultural operations were done as and when necessary. The five foliar treatments tested were as follows: T₀ = Water spray (control); T₁ = 10 ppm TIBA; T₂ = 20 ppm TIBA, T₃ = 50 ppm TIBA and T₄ = 100 ppm TIBA. The foliar spray was done at 45 days after sowing by using separate sprayers. Twelve random plants were sampled from each replication for recording data. Data on plant height, number of branches per plant, leaves per plant and total dry matter (TDM) per plant were recorded at an interval of 7 days after spray (DAS) up to 49 DAS and at harvest. Final harvest was done on 20th March, 2015. Number of seeds per plant, 100-seed weight (g), seed yield (g/plant and t/ha) and harvest index (%) were calculated after harvest. The data were subjected to statistical analysis and treatment means were compared for significance by using LSD test (Steel et al. 1997) at 5% level of probability.

Source of Information: Bangladesh J. Bot. 48(3): 603-608, 2019 (September)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The overall results of the investigation indicated that TIBA has both stimulatory and inhibitory effect on different growth parameters and the magnitude of effect was different depending on the concentration. The application of higher doses of TIBA (100 ppm) though produced highest number of branches and leaves per plant but decreased dry matter per plant and yield per plant. Of all the five treatments, however, application of TIBA at 20 ppm showed better stimulations on the yield contributing characters of BARI Chola-7 and thus leading to significant increase in seed yield.

Knowledge Management: Journal