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Investigation on Foot and Root Rot of Betel Vine (piper Betle L.) in Kushtia District of Bangladesh

Afsana Jahan
Dept. of Plant pathology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Md. Rafiqul Islam
Dept. of Plant pathology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Md. Mahfuzar Rahman
Dept. of Agronomy, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Md. Harun-Or-Rashid
Dept. of Plant pathology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Md. Jannatul Adan
Dept. of Plant pathology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

Betel vine crop is mainly attacked by foot and root rot disease in Kushtia. Young stems were found more prone to attack than the old ones. Pathogenicity test showed Sclerotium rolfsii produced characteristic symptoms on betel vine and proved to be the causal pathogen of the disease. An investigation on the diseases of betel vine was done in six upazilla of Kushtia district, viz. Bheramara, Daulatpur, Khoksha, Kumarkhali, Kushtia Sadar and Mirpur. Disease incidence and severity of foot and root rot of betel vine ranged from 24.00 to 58.00% and 17.65 to 34.75%, respectively , where the maximum disease was recorded in Mirpur and the minimum was in Khoksha in the month of July and October. Disease incidence and severity of foot and root rot of betel vine ranged from 50.00 to 58.00% and 33.25 to 34.20%, respectively in Mirpur where the maximum disease was recorded in July and the minimum was in October. In Kushtia Sadar, disease incidence and severity of foot and root rot of betel vine ranged from 27.0 0 to 37.00% and 18.45 to 20.39% respectively. In Bheramara, disease incidence and severity of foot and root rot of betel vine ranged from 27.00 to 37.00% and 18.30 t o 20.38%, respectively. In Kumarkhali, the disease incidence and severity were 45.0 0 to 50.00% and 27.95 to 30.60% respectively. In Khoksha, disease incidence and severity of foot and root rot of betel vine ranged from 24.00 to 31.0 0% and 17.65 to 18.80% respectively. In Daulatpur, disease incidence and severity of foot and root rot of betel vine ranged from 39.0 0 to 46.00% and 22.30 to 24.35% respectively , considering all the locations of Kushtia District, the maximum disease was recorded in the month of July and the minimum was in October.

Keywords: Piper betel L., Sclerotium rolfsii, Paan Boroj, Disease incidence and Disease severity

Location: Department of Plant Pathology, Sher-e-Bangla Agricultural University , Sher-e- Bangla Nagar, Dhaka-1207.

Start Date: 00-07-2012

End Date: 00-10-2014

Program Area: Pest Management

Commodity: Betel leaf

Objectives:

1.To isolate and identify the causal pathogen of foot and root rot of betel vine.

2. To study the pathogenicity of the isolated organism through Koch’s postulates.

3. To conduct a survey on the disease incidence and disease severity of foot and root rot of betel vine in major growing areas of Kushtia district.

Methodology:

The experiment was conducted at the M.S. Laboratory and in the nursery house of Department of Plant Pathology, Sher - e - Bangla Agricultural University (SAU), Sher - e - Bangla Nagar, Dhaka - 1207. Survey on the incidence and severity of foot and root rot of betel vine were conducted in major betel vine growing location in the district of Kushtia during 2013 - 2014. The In vitro and In vivo experiments were conducted during July 2012 to October 2014. Survey was conducted at different upazilla of major betel vine growing locations in the Kushtia district. Six upazilla, viz. Bheramara, Daulatpur, Khoksha, Kumarkhali, Kushtia Sadar, Mirpur were the survey area. Three borojes (betel vine garden) in an upazilla were considered for recording diseases of betel vine. During the survey, the cultivation area of betel vine, name of the cultivars and different diseases observed in the three “borojes” were recorded in each upazilla. In each betel vine growing upazilla, five survey plots in a “boroj” were randomly selected for data recording. Each spots covered an area of approx. 1200 square meter farmer plots. Cultivars of betel vine available in those areas were considered for investigation. Two visits were made to each spot in each month during the study period. Ten plants were selected randomly from each plot. Every selected plant was observed carefully and symptoms of the diseases were recorded. Completely Randomized Design (CRD) was followed for the laboratory and in the nursery experiments. Randomized Completely Block Design (RCBD) was followed for field experiments. Data were analyzed for ANOVA using MSTAT-C program. Least Significance Difference (LSD) test were performed to determine the level of significant differences and to separate the means within the parameters.

Source of Information: J. Biosci. Agric. Res. 07(01): 590-599, EISSN: 2312-7945

Article Link (Online Journal): DOI: http://dx.doi.org/10.18801/jbar.070116.71

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

There is a wider possibility of betel vine cultivation. Foot and root rot of betel vine was the most prevalent disease in different upazilla of Kushtia district and there prevalence was higher in July and lower in October irrespective of the different betel vine growing areas of Kushtia district. In pathogenicity test, S. rolfsii isolates were found to be highly virulent against the of betel vine. In the surveyed areas, there is an urgent need for improvement of management practices using pesticides, fertilizer, irrigation, etc. The growers should be trained keeping in view the management of diseases. It was also observed that there were no linkages between the research institutes and growers. This affects the transfer of technology. Therefore, for smooth transfer of production technology from the institutions to the farm level is needed. However further investigations are need to be carried out to ascertain the present findings for consecutive years.

Knowledge Management: Journal