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Efficacy of Seed Treatment and Soil Drenching with Botanical and Fungicide to Control Foot and Root Rot (fusarium Solani and Sclerotium Rolfsii) of Fenugreek (trigonella Foenum-groecum L.)

K. M. Khalequzzaman
Principal Scientific Officer (Plant Pathology)
Spices Research Centre, BARI, Shibganj, Bogura, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Spices Research Centre, Bangladesh Agricultural Research Institute, Shibganj, Bogura, Bangladesh during Rabi season of 2017-2018. Four botanicals namely garlic, neem, Henna @1:5 and turmeric @0.050%, and three chemical fungicides namely Provax 200 WP, Autostin 50 WDG @0.25% and Cabriotop @0.30% were tested with a control (plain water). A fenugreek variety, BARI Methi 2 was used in the experiment. The maximum of 34.11% foot and root rot incidence was observed under control. All treatments with botanicals and fungicides reduced the disease incidence by 9.89-69.48% over control. Plant height, number of pods per plant, number of seeds per plant, weight of seeds per plant and seed yield per hectare ranged 81.44-88.00 cm, 39.11-62.27, 489.99-928.88, 6.08-9.68g and 1.75-2.52t, respectively. The lowest values of all parameters were recorded under control. Every treatment increased each of the parameters significantly over control showing the highest values under Provax 200 WP, which was followed by Autostin 50 WDG and Seed treatment and soil drenching with Cabriotop, Plant survival, number of primary branches, secondary branches, pod length number of seeds per pod and weight of seeds per pod ranged 65.89%, 2.08-2.90cm, 6.55-8.83, 9.4-11.27 and 0.29-0.39g, respectively, under different treatments including control.

Keywords: Provax 200 WP, Autostin 50 WDG, Foot and root rot, Fenugreek

Location: Spices Research Centre, BARI, Shibganj, Bogura, Bangladesh

Start Date: 15-10-2017

End Date: 30-04-2018

Program Area: Pest Management

Commodity: Fungal Disease, Fungicide

Objectives:

To find out the effective control measures against foot and root rot of Fenugreek.

Methodology:

A field experiment was conducted to evaluate the efficacy of four botanicals namely garlic (Allium sativum), neem (Azadirachta indica), Henna (Lawsonia inermis) and turmeric (Curcuma domestica); and three chemical fungicides namely Provax 200 WP (Carboxin + Thiram), Autostin 50 WDG (Carbendazim), Cabriotop (Pyraclostrobin 5% + Metiram 55% WG), as seed treating and soil drenching agents against foot and root rot disease of Fenugreek. All botanicals were used as 1:5 water except turmeric which was used at 0.50% powder. Provax 200 WP and Autostin 50 WDG were used at 0.25% and Cabriotop at 0.30%. Altogether there were eight treatments including a control where plain water was used for seed treatment and soil drenching. The doses of botanicals and chemicals were same for both seed treatment and soil drenching. The experiment was conducted at Spices Research Centre, BARI, Shibganj, Bogura, Bangladesh during Rabi season of 2017-2018. The experimental plot was prepared with five ploughings and cross ploughings followed by laddering to break the clods as well as to level the soil. The weeds and stubbles of previous crops were removed from the field. Cowdung @ 5 t/ha, Urea @175 kg/ha, TSP @175 kg/ha and MOP @135 kg/ha were applied. The entire quantity of cowdung, TSP and MOP were applied during final land preparation. Urea was applied in two equal splits first at 20 days after germination and then at flowering stage just after irrigation (Anon. 2017). The experiment was carried out following randomized complete block design with three replications. Size of the unit plot was 2.5 m × 1.2 m and plant spacing was 30 cm × 10 cm. Variety, BARI Methi 2 was used in the experiment. Seeds were treated before sowing and base at soil level was drenched with the materials by spraying five times at an interval of 7 days. Treated seeds were sown on 20 November, 2017. Weeding was done at 30, 45 and 60 days after emergence and three irrigation were also applied just after three days of each weeding. Other intercultural operations were done to maintain the normal hygienic condition of crop field. The plots were inspected regularly to take observations on foot and root rot disease from seedling to maturity stage of the crop. Dead plants were counted and removed from the field. Disease plant parts were collected in the laboratory for identifying foot and root rot causing pathogens. The crop was harvested at 20 March, 2018. Data were recorded on foot and root rot incidence, plant survival, number of primary and secondary branches/plant, plant height at harvest, pod length, number of pods/plant, number of seeds/pod, weight of seeds/pod, number of seeds/plant, weight of seeds/plant and seed yield. The incidence of foot and root rot of fenugreek was recorded at every alternate day. The recorded data were analyzed statistically to compute ANOVA and variations among treatments means were compared following Duncan’s New Multiple Range Test (DMRT) according to Gomez and Gomez (1984).

Source of Information: Bangladesh Journal of Plant Pathology, 35 (1&2): 27-32, 2019

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Seed treatment and five times soil drenching at an interval of 7 days from seedling stage with Provax 200 WP (Carboxin + Thiram) @0.25% or Autostin 50 WDG (Carbendazim) @ 0.25% may be useful to reduce foot and root rot disease, and to improve plant growth and yield of Fenugreek.

Knowledge Management: Journal