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Effect of Fungicides in Controlling Leaf Blight of Panikachu

Dr. Mohammed Hossain
Chief Scientific Officer
Tuber Crops Research centre, BARI, Joydebpur, Gazipur

M. Iqbal Hossain
Tuber Crops Research centre, BARI, Joydebpur, Gazipur

M.M. Begum
Tuber Crops Research centre, BARI, Joydebpur, Gazipur

S. Alam
Tuber Crops Research centre, BARI, Joydebpur, Gazipur

T.K. Dey
Tuber Crops Research centre, BARI, Joydebpur, Gazipur

Abstract/ Executive Summary:

Seven fungicides were tested against leaf blight of Panikachu at Joydebpur. Results showed that all the fungicides reduced the disease significantly over control. Among them, Rexizeb 80 WP showed the best performance to reduce the disease by 75.38% followed by Mixol 72 WP (62.05%), I-zeb 80 WP (61.94%) and Perfectman 80 WP (61.14%) when compared with control. However, Panikachu gave the highest yield (20.50 t/ha) when treated with the fungicide Mixol 72 WP followed by I-zeb 80 WP (15.00 t/ha).

Keywords: Fungicide, Leaf Bligh, Panikachu

Location: Joydebpur, Gazipur

Start Date: 07-05-2009

End Date: 15-09-2010

Program Area: Pest Management

Commodity: Fungicide

Objectives:

To screen some newly introduced fungicides against leaf blight disease of Panikachu at Joydebpur.

Methodology:

The panikachu sucker was planted at Joydebpur on 07.05.2009. The unit plot size was 3.0 m x 1.8 m and spacing was 60 cm x 45 cm and replicated three times. The crop was fertilized at the rate of 5 tons of cow dung, (N: P₂O₅: K₂O: S @ 70:25:90:20 kg/ha) per hectare. Seven fungicides viz. Mixol 72 WP (0.2%), Baizeb 80 WP (0.2%), I-zeb 80 WP (0.2%), Monozeb 80 WP (0.2%), Rexizeb 80 WP (0.2%), Perfectman 80 WP (0.2%), and Dithane M-45 (0.2%) were used in the trial. One control treatment was also maintained in the trial. The spraying was started just after initiation of the disease symptom at 10 days interval. Data on percent foliage infection and stolon yield were recorded. The harvesting of stolon was started from 5 August 2009 and continued up to 15 September 2009. Data were analyzed statistically.

Source of Information: TCRC Annual Report-2009-10, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 25,000/=

Total Budget (Tk.) : 25,000/=

Achievement/Findings:

All the tested fungicides reduced the disease significantly over control. Rexizeb 80 WP showed best performance to reduce the disease by 73.51% followed by Mixol 72 WP (62.05%), I-zeb 80 WP (61.94%) and Perfectman 80 WP (61.14%).

Knowledge Management: Report/Proceedings