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Effect of Organic Manures on Flowering and Fruiting of Guava

T. Khatun
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

M.A. Rahim
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

M.R. Islam
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

M.S. Alam
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

M.M.A. Hossain
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

An experiment was carried out at BAU Germplasm Centre (GPC) of Bangladesh Agricultural University, Mymensingh during the period from January to August 2009 to examine the effect of different dose of organic manure on flowering and fruiting of Guava (variety BAU Guava-5). The experiment consisted of seven doses of each paragon compost viz. 0, 4.5, 6.75, 9.0, 11.25, 13.5, 18.05 kg/tree, mustard oil cake viz. 0, 1, 1.5, 2.0, 2.5, 3.0, 3.5 kg/tree, and cowdung viz. 0, 9.0, 13.5, 18.0, 22.0, 27.0, 36.0 kg/tree. The experiment was laid out in RCBD with three replications. Results revealed that in case of paragon compost the dose 11.25 kg/tree gave the highest yield (19.79 t/ha); in case of mustard oil cake the dose 2.5 kg/tree gave the highest yield (13.63 t/ha) and in case of cowdung the dose 36.0 kg/tree gave the highest yield (16.79 t/ha). Among the organic manures the best result was found by the application of paragon compost at 11.25kg/tree and the lowest was in mustard oil cake.

Keywords: Organic manure, Flowering, Fruiting, Guava

Location: BAU Germplasm Centre (GPC) of Bangladesh Agricultural University, Mymensingh

Start Date: 00-01-2009

End Date: 00-08-2009

Program Area: Crop-Soil-Water Management

Commodity: Guava

Objectives:

1. To study the effect of organic manuring (paragon, mustard oil cake, cowdung) on the growth and yield of guava. The core objectives of the study are to increase and assess the yield and quality of fruit per unit area of land, to select the balance dose of organic manure and to reduce the cost of production of Guava.

Methodology:

The experiment was conducted at Germplasm Centre of Bangladesh Agricultural University, Mymensingh during the period from January 2009 to August 2009. The experiment was laid out in Randomized Complete Block Design with three replication. Each block contains 21 plants. Total no. of plants 63. The distance between plant to plant and row to row 4 m and 3.47 m respectively. The treatment was randomly assigned in the plants of each block. The experiment was done in two years old guava plants. The plants were established by layers and planted in 2007 and all the plants were uniform in size. The experiment was conducted to study the effect of organic manure on flowering and fruiting of guava. Different types and doses of manures were applied in 3 February 2009 which were Paragon Compost T₁=0, T₂=4.5, T₃=6.75, T₄=9.0, T₅=11.25, T₆=13.5, T₇=18.05 kg/tree, Mustard oil cake T₈=0, T₉=1, T₁₀=1.5, T₁₁=2.0, T₁₂ =2.5, T₁₃=3.0, T₁₄=3.6 kg/tree, and Cowdung T₁₅=0, T₁₆=9, T₁₇=13.5, T₁₈=18.0, T₁₉=22.5, T₂₀=27 and T₂₁= 36 kg/tree respectively. Intercultural operation such as weeding, irrigation, thinning and disease control were done as and when necessary. Fruits harvesting were started from June 13, 2009 and harvesting continued to 22 August. Harvesting was done at different time depending on maturity. Data to be collected on plant height (cm), canopy volume (cm³), number of flowers per plant, fruit set per plant, number of fruits per plant, total number of fresh fruits, number of drop fruit, number of diseased fruit, individual fruit weight (g), fruit size (length and breadth, cm), pulp (endocarp and mesocarp, g), number and weight (g) of seeds per fruits, total fruit weight (g)/plant and yield (t/ha). The significance of difference between pair of means was tested by the Least Significant Difference (LSD) tested at 5% and 1% level of probability.

Source of Information: J. Agrofor. Environ. 4 (2):93-96, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results obtained from this investigation exhibited a great influence of organic manures on flowering and fruiting of guava an indication to apply paragon compost at the dose of 11.25 kg/plant to get higher yield (19.79 t/ha) of guava in Bangladesh.

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