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Effect of Fertilizers on the Incidence of Anthracnose Disease, Yield and Quality of Mango

M. N. A Chowdhury
Bangladesh Agricultural Research Institute, Shibganj, Bogra, Bangladesh.

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

Abstract/ Executive Summary:

Effect of different fertilizers on the control of anthracnose disease, yield and quality of mango cv Amrapali was investigated, Application of combined fertilizers gave the highest fruit sot, fruit rotontion and fresh fruits, therefore, produced the highest yield per plant and per hectare. The highest number of healthy fruits was found from 2^nd year crop and the lowest was obtained from 1^styear. The highest (8.47 t/ha) yield was obtained from 2^nd year and the lowest (4.58 t/ha( was obtained from 1^st year crop. Among the treatments, combined application of NPK, Zn So₄, Gypsum and Cowdung gavo the highest (50.67) numbor of healthy fruits and the lowest (16) was obtained from untreated plant. The highest (12.41 t/ha) yield was obtained from combined application of NPK, Zn So₄, Gypsum and Cowdung and the lowest (3.88 t/ha) was obtained from untreated plant. In respect of combined effect, the highest (15.22 t/ha) yield was obtained from 2^nd year x T₉ treated plant and the lowest (2. 95 t/the) was found in untreated 1^styear plant.

Keywords: Mango, Fertilizers, Anthracnose, Yield,

Location: Germplasm Centre (GPC), FIT, Department of Horticulture, BAU, Mymensingh.

Start Date: 00-07-2000

End Date: 00-07-2002

Program Area: Crop-Soil-Water Management

Commodity: Mango

Objectives:

To determine the effects of fertilizers in controlling mango anthracnose.

Methodology:

The investigation was carried out from July 2000-2001 and July 2001-2002 at Germplasm Centre (GPC), FIT, Department of Horticulture, BAU, Mymensingh. The single factro experiment was conducted in randomized complete block design (RCBD) with 3 replications. The treatments were Cowdung (T₁), Mustard oil cake (T₂), Urea (T₃), TSP (T₄), MP (T₅), Gypsum (T₆), Zinc sulphate (T₇); CD + MOC (T₈), NPK + Zinc sulphate + Gypsum (T₉),PK + Zinc sulphate (T₁₀).K + Zine sulphate (T₁₁) and Control (T₁₂).

The organic manures. well decomposed cowdung and mustard oil cake and the inorganic fertilizers- urea, TSP. MP, zinc sulphate and gypsum were used in the experiment. The organic manures and inorganic fertilizers were applied separately and also combindely during the month of July-August. The combinations of organic manures were cowdung + Mustard oil cake. Before fertilization, weeding was done and basin type furrows around the trees 100 cm away from the base of the tree were prepared with spade. Manures and fertilizers were applied in the furrows and then thoroughly mixed with the soil. Mustard oil cakes were decomposed in water for three days before these were mixed with the furrow soils. Fertilizers were applied in the following rates.

The variety was Amrapali and spacing was 2.5m x 2.5m Pooled analysis was also done in this experiment. The recorded parameters were fruit retention per Inflorescence and per plant (%); total number of healthy fruits per inflorescence and per plant (%) total number of diseased fruits per inflorescence and per plant (%); % fruit area diseased/ Severity; fruit weight (9); Yield/plant; yield (t/ha) and total soluble solids (TSS). The benefit-cost ratio (BCR) analysis was calculated. Horsfall and Barratt (1945) grading scale was used for calculating disease severity. TSS was determined by reflactormeter.

Source of Information: J Agric Rural Dev 5(1&2), 70-78, June 2007,ISSN 1810-1860

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The highest number of healthy fruits was found from 2^ndyear crop and the lowest was obtained from 1^st year. The highest (8.47 t/ha) yield was obtained from 2^nd year and the lowest (4.58 t/ha (was obtained from 1^st year crop. Among the treatments, combined application of NPK, Zn So₄, Gypsum and Cowdung gave the highest (50.67) numbor of healthy fruits and the lowest (16) was obtained from untreated plant. The highest (12.41 t/ha) yield was obtained from combined application of NPK, Zn So₄, Gypsum and Cowdung and the lowest (3.88 t/ha) was obtained from untreated plant. In respect of combined effect, the highest (15.22 t/ha) yield was obtainod from 2^nd year x T₉ treated plant and the lowest (2. 95 t/the) was found in untreated 1^st year plant.

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