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Effect of Plant Growth Regulators on Growth and Yield of Mukhi Kachu

MD . M OSLEH UD- DEEN
Department of Crop Science & Technology, University of Rajshahi, Rajashahi-6205, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted with different concentrations of plant growth regulators to evaluate their effects on the growth and yield of late planted Mukhi Kachu (Alocasia esculenta). Different treatments of uniconazole (growth retardant showed significant influence on plant height, petiole length, number of leases per plant, weight of leaf and weight of petioles per hill, number and weight of corms and cormels per hill and yield of cormel. GA 3 , (growth promoter) enhanced foliage growth, flowering, and cormel development

Keywords: Growth regulators, Mukhi Kachu ,Yield

Location: Rajshahi University

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Aroids

Objectives:

To evaluate the effects of growth regulators on the growth and yield of late planted Mukhi Kachu (Alocasia esculenta)

Methodology:

The experiment was conducted in the experimentatal field of Rajshahi University, Rajshahi. The seed cormel of Mukhi Kachu variety Bilashi was used as experimental material. The land was medium high having sandy loam textured soil with pH 6.5 under the low Ganges river flood plain of agroecological zone AEZ 12. Two separate experiments were conducted. One with uniconazole (Sumiseven), a growth retardant comprising 3 (three) concentrations, such as 100, 150, 250 ppm and a control (0 ppm). Another with GA₃(Gibbrerellic Acid), a growth promoter having same concentrations. Both the experiments were laid out in Randomized Complete Block Design (RCBD) with 3 replications. The unit plot size was 5m x 2.1rn and the plant spacing was 70cm x 50cm. The crop received 110 tons cowdung, 140 kg urea, l00 kg TSP, and 120 kg MP per hectare. Cowdung and TSP were applied before plantation and urea and MP were top dressed in two equal installments at 40 and 90 days after planting. Seed cormels were dipped in the respective concentrations of each growth regulators for 12 hours before planting. The crop was harvested at 90, 120, and 150 days after planting (DAP) to study their growth pattern and yield.

Source of Information: Bangladesh J. Agril. Res. 34(2) : 233-238, June 2009, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Different treatments of uniconazole growth retardant showed significant influence on plant height, petiole length, number of leases per plant, weight of leaf and weight of petioles per hill, number and weight of corms and cormels per hill and yield of cormel. GA 3 , (growth promoter) enhanced foliage growth, flowering, and cormel development.

Knowledge Management: Journal