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Growth, Yield and Quality as Influenced by Split Application of Fertilizer on Golden Apple (var. BARI Amra-2) (2018-2019)

Babul C. Sarker
Fruit Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

J. Gomasta
Fruit Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

M. T. Islam
Fruit Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

Abstract/ Executive Summary:

Influence of fertilizer dose and its application method on the growth, yield and quality of BARI Amra-2 was studied at the Fruit Research Farm of Horticulture Research Centre, BARI, Joydebpur, Gazipur during the period from August 2018 to July 2019. Three different levels of fertilizer i.e., F₁: 100 % of the dose (N: 100 g, P: 50 g, K: 90 g, S: 15 g, B: 1.5 g and Cowdung: 15 kg); F₂: 150 % of the dose and F₃: 200 % of the dose per plant mentioned in the FRG, 2012 in combination with four application methods were used as treatments of the experiment. All the fertilizers except urea and MoP were applied during final land preparation as basal dose and the rest of urea and MoP are being applied in splits as per treatments. Urea and MoP were splitted I₁: twice (September and April), I₂: thrice (September, March-April and May-June) and I₃: four times (September, November, March-April and May-June) and the other application method was I₀: the application of whole urea and MoP at a time (September-October). Superiority in number of fruits (113.3 per plant) as well as yield (5.45 kg per plant) was recorded from plants treated with 200 % of the dose per plant mentioned in the FRG, 2012. Control plants always exhibited minimum number of fruits per panicle. Fruits from all the treatments were harvested on 02 September 2019. The highest number of panicles per plant (39.69) and fruits retained per panicle (5.45) were counted in plants received 200 % of the fertilizer dose per plant mentioned in the FRG, 2012 in combination with urea and MoP were applied thrice (F₃I₂) and 200 % of the fertilizer dose per plant mentioned in the FRG, 2012 in combination with urea and MoP were applied twice, respectively. Finally, the yield/plant ranged from 2.30 kg to 8.28 kg where the highest yield was noticed in plants treated with 100 % of the fertilizer dose per plant mentioned in the FRG, 2012 in combination with urea and MoP were applied for four times and the lowest yield was recorded in plants where 100 % of the dose per plant mentioned in the FRG, 2012 was applied at a time.

Keywords: Golden apple, Fertilizer dose, Method of fertilizer, Fruit, BARI Amra-2

Location: Fruit Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Golden apple, Fertilizer

Objectives:

To investigate the effects of fertilizer dose and method of fertilizer application on fruit retention, yield and quality of golden apple.

Methodology:

The experiment was performed at the Fruit Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during July 2018 August 2019. BARI Amra-2 was used in the study as variety. The experiment was laid out in a randomized Complete Block Design (Factorial) with 3 replications. Here, single plant was treated with individual treatment which was replicated for three times. The fertilizer doses i. e., F₁: 100 % of the dose (N: 100 g, P: 50 g, K: 90 g, S: 15 g, B: 1.5 g and Cowdung: 15 kg); F₂: 150 % of the dose and F₃: 200 % of the dose per plant mentioned in the FRG, 2012 in combination with four application methods were used as treatments of the experiment. All the fertilizers except urea and MoP were applied during final land preparation as basal dose. Urea and MoP were splitted I₁: twice (September and April), I₂: thrice (September, March-April and May-June) and I₃: four times (September, November, March-April and May-June) and the other application method was I₀: the application of whole urea and MoP at a time (September-October). Weeding was done before each of the fertilizer application and light irrigation was applied immediately after fertilizer application for better uptake of nutrient by the plants. Insecticide of (Cypermethrin @ 2 ml per litre) was sprayed once after fruit set and fungicide (Carbendazim @ 2 g per litre) was also applied once after a five day long rain in May 2019. The data on the following parameters like initial plant height, final plant height, plant height increase, initial base girth, final base girth, base girth increase, initial canopy spread (N-S & E-W), final canopy spread (N-S and E-W), canopy spread increase, panicle per plant, days required to 50% flowering, days required to fruit set, fruit set per panicle, fruits harvested per panicle, total number of fruits harvested, fruit retention per panicle at an interval of 7 days up to harvest, individual fruit weight and yield per plant were recorded. The collected data were tabulated and statistically analyzed with appropriate design of experiment (Gomez and Gomez, 1984) adopting a statistical package programme MSTAT-C. The treatment means were separated by Least Significant Difference (LSD) test at 5 % level of significance.

Source of Information: Annual Research Report 2018-2019, Fruit Research Farm of HRC, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The highest number of panicles per plant (39.69) and fruits retained per panicle (5.45) were counted in plants received 200 % of the fertilizer dose per plant mentioned in the FRG, 2012 in combination with urea and MoP were applied thrice (F₃I₂) and 200 % of the fertilizer dose per plant mentioned in the FRG, 2012 in combination with urea and MoP were applied twice, respectively. Maximum number of fruits (151.0) was harvested from F₃I₂and minimum (53.67) fruits were harvested from F₁I₀ where individual fruit weight ranged from 42.70 g to 58.0 g. Finally, the yield/plant ranged from 2.30 kg to 8.28 kg where the highest yield was noticed in plants treated with 100 % of the fertilizer dose per plant mentioned in the FRG, 2012 in combination with urea and MoP were applied for four times and the lowest yield was recorded in plants where 100 % of the dose per plant mentioned in the FRG, 2012 was applied at a time.

Knowledge Management: Report/Proceedings