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Effect of Different Chemicals on Yield of Different Varieties of Mango

P. Bairagi
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202.

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

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

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

N. Parvin
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202.

Abstract/ Executive Summary:

The present study was conducted to determine the effect of variety and chemical regarding fruit yield of mango. These experiments was conducted at the BAU Germplasm Centre (GPC), Mymensingh. Two mango varieties viz. Amrapali (V₁) and Sraboni (V₂) and seven chemical treatments viz. CPA at 10 ppm (T₁), Desis 2 ml L^-1 (T₂), Magic growth at 2 ml L^-1 (T₃), Biskathali extract (T₄), Pheromone trap (T₅), NAA at 100 ppm (T₆) and control (T₇) were used for this study. The experiment was laid out in a Randomized Complete Block Design (RCBD). Among the yield characteristics, variety Amrapali produced higher number of fruits plant^-1 (227.04) as well as yield plant^-1 (46.47kg) than Sraboni. Similar effect was also obtained by NAA at 100 ppm amongst other treatments. As a result, Maximum number of fruits plant^-1 (191.33) and higher yield plant^-1 (47.51 kg) were recorded in NAA at 100 ppm. Similarly, better performance on yield were also obtained with the combined effect between Amrapali and NAA at 100 ppm. So, considering the above investigation Amrapali is outer performance than Sraboni and NAA at 100 ppm was resulted in higher yield.

Keywords: Mango, Yield, Chemical, Pheromone trap, Plant extract.

Location: BAU Germplasm Centre, FTIP, Bangladesh Agricultural University, Mymensingh

Start Date: 00-05-2012

End Date: 00-12-2012

Program Area: Crop-Soil-Water Management

Commodity: Mango

Objectives:

1. To find out suitable variety and to investigate the effect of some chemical as spraying treatment during flowering to marble stage including biskathali extract and pheromone trap on fruit yield of two mango varieties cv. Amrapali and Sraboni.

Methodology:

The present experiment was carried out at BAU Germplasm Centre, FTIP, Bangladesh Agricultural University, Mymensingh during the period from May to December, 2012. The soil of the experimental area was silty loam in texture belonging to the Old Brahmaputra Flood Plain of AEZ 9 (Agro Ecological Zone– 9). Two mango varieties (Amrapali and Sraboni) and seven chemical treatments were used as foliar spray (except pheromone trap) for this study. The age of the plants was 5 years old at the initiation of experiment with a plant spacing 5 m × 5m. The experiment consisted of two factors (Factor A: Varieties ; V₁: Amrapali, V₂: Sraboni and Factor B: seven chemical treatments ; T₁: Chlorophenoxyacetic Acid at 10 ppm, T₂: Desis at 2 ml L^–1, T₃: Magic growth at 2 ml L^-1, T₄: Biskathali extract, T₅: Pheromone trap, T₆: NAA at 100 ppm and T₇: control). The experiment was laid out in Randomized Completely Block Design (RCBD) with three replications where two mango varieties as factor A and seven chemical treatments as factor B were used for this study. The solution of 10 ppm CPA prepared by adding 10 ml CPA in 1000 ml distilled water (1:100) and stirrer for proper mixing. For preparing desis solution, 2 ml Desis dissolved in 1000 ml distilled water and stirrer for proper mixing. Thus, the solution was prepared for further use. The Magic growth of 2ml dissolved in 1000 ml distilled water and stirrer for proper mixing. Thus, the solution was prepared for further use. For the preparation of biskatali extract, the whole plant except root of bishkanthali firstly dried in the sun and oven at 72⁰C then the plant extract of 1000 g was made up using a grinder and dissolved in 1000 ml water. The solution of 100 ppm NAA is prepared by dissolving 100 mg NAA in 1000 ml distilled water. The chemicals and pheromone trap was used during full bloom, at pea and at marble stage. The fruits were harvested at full maturity stage. Fruits are harvested separately from each plant of each treatment. Care was taken to avoid injury in mango fruits during harvesting. Three plants were used for each treatment in each variety and collection of data on fruit number and weight characters, fruit size etc. data were recorded on the register book. The number of total fruit, diseased fruit, insect infested fruit, fresh fruit per plant and weight of total fruit (kg), single fruit wt. (g), mesocarp wt. (g), pericarp wt. (g) and seed wt. (g) per fruit for each treatment of three replicated plant were measured and the average is worked out. For measuring fruit size, width and length of randomly selected ten fruits of each replication were calculated and then their average was calculated into mm. Thereafter size of fruit was calculated from the following formula: Fruit size (mm²) = width of fruit (mm) × length of fruit (mm). The collected data on various parameters were statistically analyzed using MSTAT statistical package. The means for all the treatments were calculated and analysis of variances (ANOVA) for all the parameters were performed by F–test. The significance of difference between the pairs of means was compared by least significant difference (LSD) test at the 1% and 5% levels of probability.

Source of Information: J. Agrofor. Environ. 7 (2): 99-102, 2013; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Variety Amrapali produced higher number of fruits plant^-1 (227.04) as well as yield plant^-1 (46.47kg) than Sraboni. Similar effect was also obtained by NAA at 100 ppm amongst other treatments. As a result, Maximum number of fruits plant^-1 (191.33) and higher yield plant^-1 (47.51 kg) were recorded in NAA at 100 ppm. Similarly, better performance on yield were also obtained with the combined effect between Amrapali and NAA at 100 ppm. So, considering the above investigation Amrapali is outer performance than Sraboni and NAA at 100 ppm was resulted in higher yield.

Knowledge Management: Journal