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Integrated Management of Pests and Diseases of Watermelon

M.M. Rahman
Senior Scientific Officer
Plant Pathology Division, BARI, Gazipur

M. I. Faruk
Senior Scientific Officer
Plant Pathology Division, BARI, Gazipur

M. R. Ali
Principal Scientific Officer
Plant Pathology Division, BARI, Gazipur

Abstract/ Executive Summary:

A field experiment was conducted to test the efficacy poultry refuse and pesticides in controlling watermelon pest and diseases. Among the treatments, combination of poultry refuse with pesticidal treatments showed better performance for disease and insect management and increasing the plant growth and yield of watermelon compared to only fungicidal application or control treatments.

Keywords: Integrated management, Pest and diseases, Water melon

Location: BARI, Gazipur

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Pest Management

Commodity: Diseases

Objectives:

To manage different diseases and pests of water melon

Methodology:

The experiment was conducted in Plant Pathology experimental field during winter 2009-10. The seeds were sown in poly bag on 14th November, 2009 at the rate of 2 seeds/bag. After 25 days seedlings were planted in the main field. The plot size was 3m X 2m and 10 seedlings were planted per plot. All types of intercultural operations such as irrigation weeding etc. were done as and when necessary. Experiment was laid out in RCB Design with 3 replications. The treatments were T₁ = Fungicidal sprays, T₂ = Furadan, T₃ = T₁ (Fungicidal sprays) + T₂ (Furadan), T₄ = T₃ (Fungicidal sprays + Furadan) + Insecticides, T₅ = T₄ (Fungicidal sprays + Furadan + Insecticides) + Poultry refuse and T₆ = T₅ (Fungicidal sprays + Furadan + Insecticides + Poultry refuse) + Soil drenching with Cu-fungicides, T₇ = T₆ (Fungicide + Furadan+ insecticide + Poultry refuse + Soil drenching with Cu-fungicide) +Oomite T₈ = Control. Whenever any symptom of disease was noticed, the infected samples were brought to the laboratory for analysis. The samples were incubated on both PDA and moist chamber. The fungi grown on the culture were observed under sterio and compound microscope. The insects presents on the watermelon plants were identified with the help of entomologists. The fungi, insects, nematode and viral diseases which were found under microscope were recorded. The pictures of the symptoms were taken. Data were recorded on disease incidence, plant growth parameter, gall index (0-10 scale) (Zeck, 1971) and yield per plot.

Source of Information: Annual Report 2009-10, BARI

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Results showed that integrated approach significantly reduced insects and disease incidence and increased the yield and plant growth of watermelon as compared to single treatment or control. Combinations of poultry refuse with pesticide treatment showed the highest performance for disease and insect management and increased the plant growth and yield of watermelon which was followed by pesticide treatment. Only fungicidal treatment reduced disease incidence but did not increase growth and yield of watermelon.

Knowledge Management: Report/Proceedings