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Effect of Fertilizer on Grafted Jackfruit Plant (2018-2019)

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

M. A. Siddiky
Fruit Research Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

Abstract/ Executive Summary:

An experiment was conducted at the Fruit Research Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during 2018-19 to study the effects of fertilizer on 11 years old grafted jackfruit plant. There were 5 fertilizer treatments per plant viz., T₁: NPK 300-130-300 g, T₂: NPK 450-200-450 g, T₃: NPK 600-260-600 g,T₄: NPK 750-320-750 g and T₅: Only Cow dung 20 kg/plant. Plant height, base girth and number of fruits per plant differed significantly among the treatments. All the treatments produced fruits. Treatment T₄ produced the highest number of fruits (19) and the lowest number of fruits was found in T₁(12.0). The total fruit yield per plant was significantly influenced by different treatments. The highest fruit yield per plant (158.7 kg) was recorded in the treatment T₄ NPK (600-260-600 g/plant) followed by T₃-NPK 600-260-600 g (98.6 kg). The lowest fruit yield per plant (58.8 kg) was obtained from T₁ (NPK 300-130-300 g). Fruit length and fruit diameter differed significantly among the treatments. The highest number of bulb was observed in the treatment T₄(203) and the lowest number of bulb was recorded in T₁ (130).

Keywords: Jackfruit, Weeding, Irrigation, Grafted plants, Cowdung , Fertilizer

Location: Fruit Research 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: Jackfruit

Objectives:

To find out the appropriate fertilizer dose and the time of application for young grafted jackfruit plants.

Methodology:

The experiment was conducted at the Fruit Research Farm of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during the year 2018-19. There were 5 fertilizer treatments per plant viz., T₁: NPK 300-130-300 g, T₂: NPK 450-200-450 g, T₃: NPK 600-260-600 g, T₄: NPK 750-320-750 g and T₅: Only Cow dung 20 Kg/plant. Fertilizers were applied at 3 installments: 1^st- 50% (N and K) and other fertilizers in September/October, 2^nd- 25% (N and K) after fruit set, 3^rd- 25% (N and K) after 60 days of fruit set. gypsum-400 g, boric acid- 5 g and cow dung @ 20 kg/plant were used as blanket dose.

Grafted plants of jackfruit AH Joy-201 were planted in the month of July, 2008. Pruning, training, weeding and irrigation were done as and when necessary. The experiment was laid out in Randomized Complete Block Design (RCBD) with 4 replications. Fruits were harvested in the month of April to June, 2018. Data on plant growth characters and fruit characters were recorded during the fruiting season of 2018 and were analyzed statistically. Mean separation was done on the basis of Duncan’s Multiple Range Test (DMRT) at 0.05 level.

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:

Increased application of fertilizers up to NPK (750-320-750 g/plant) accelerated the number of fruits and total fruit yield of grafted jackfruit plants. The Experiment will be continued for further verification.

Knowledge Management: Report/Proceedings