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Control of Rhizome Rot Disease of Ginger Through Application of Fungicides

Md. Kamal Hosain
Department of Plant Pathology, Hajee Mohammad Danesh Science and Technology University,Dinajpur, Bangladesh.

Sk. Md. Mobarak Hossain
Department of Plant Pathology, Hajee Mohammad Danesh Science and Technology University,Dinajpur, Bangladesh.

Zoynal Abedin
Kazi and Kazi Tea Estate LTD., Panchagarh, Bangladesh.

Md. Mukul Islam
Department of Plant Pathology, Hajee Mohammad Danesh Science and Technology University,Dinajpur, Bangladesh.

Md. Atiar Rahman
Department of Agroforestry and Environment, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Md. Shazadur Rahman
Department of Agricultural Chemistry, Hajee Mohammad Danesh Science and TechnologyUniversity, Dinajpur, Bangladesh.

Md. Abu Zafor
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University,Dinajpur, Bangladesh.

Abstract/ Executive Summary:

To determine the effect of seed treatment and foliar spray of fungicide on rhizome rot of ginger. The study was laid out in a randomized complete block design with three replications. The experiment was conducted at the plant pathology Field Laboratory Of Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during 2016-2017. Fungicide namely Contaf 5 EC @ 1ml/L water, Bavistin DF @ 1 g/L water, Companion @ 2 g/L water, Fiasta Z-78 @ 2 g/L water, Matco 72 WP @ 2 g/L water, Blitox 50 WP @ 2 g/L water, Cabriotop @ 3 g/L water were applied as seed treatment and foliar spray with one control plot (without fungicide). The total number of unit plots was 24 and the size of the unit plot was 15 m × 7 m. Fungicide Cabriotop was found as the most effective in increasing plant growth and by reducing disease severity of rhizome rot of ginger. Among the treatments, capriotop exhibited the least disease severity (45.08%) of rhizome and maximum yield (4.13 t/ha) of ginger as compared to the control plot (69.04% disease severity and 0.33 t/ha rhizome). Application of the fungicide Cabriotop may be recommended for better performance in controlling of rhizome rot disease of ginger.

Keywords: Ginger; Rhizome rot; Fungicides; Disease severity

Location: Plant Pathology Research Field of Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Start Date: 00-04-2016

End Date: 00-01-2017

Program Area: Pest Management

Commodity: Diseases, Ginger

Objectives:

To identify the most effective fungicide available in Bangladesh for controlling rhizome rot disease of ginger.

Methodology:

The experiment was conducted at the Plant Pathology Research Field of Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh. The experiment was conducted from April 2016 to January 2017. The soil of the experimental plot was sandy loam with good drainage capacity. The experimental plot was medium-high land with a p^H range from 5.5 to 6.0. Local variety rhizomes of diseased free having 1- 2 buds whose average weight 55-60 g. were selected. The collected rhizomes were preserved under soil for about one month for the pre-sprouting of the seed. The selected land was harrowed, ploughed and cross-plowed several times followed by laddering to get a fine tilth. Weeds, stubbles, and rubbishes were removed, proper drainage channels were made around the experimental plots to create a desirable tilth of soil for the planting of ginger rhizomes. Well decomposed cow-dung @ 7 t/ha was applied during the land opening. TSP@ 4 t/ha and MOP @ 3 t/ha, Gypsum @ 2 t/ha were applied at the time of final land preparation. The entire amount of TSP, MOP, and Gypsum was applied during the final land preparation of land. Urea was applied after the first weeding @2 t/ha. Single-factor RCBD (Randomized Complete Block Design). The experiment was conducted with 3 replications having 8 treatments. The treatments were as follows: T₀ = Untreated (Control), T₁ = Treatment of ginger with Contaf 5 EC@1 ml /L, T₂ = Treatment of ginger with Bavistin DF@1 g /L, T₃ = Treatment of ginger with Companion@2 g /L, T₄ = Treatment of ginger with Fiasta Z-78@2 g /L, T₅ = Treatment of ginger with Matco 72 WP@2 g /L, T₆ = Treatment of ginger with Blitox 50 WP@2 g /L, T₇ = Treatment of ginger with Cabriotop@3 g /L. The treatments were applied two times. Firstly, at the time of sowing of rhizomes by dipping them in the treatment solutions for 15 minutes and finally sprayed on the plants at 60 DAS (days after sowing). The chemical composition of the applied fungicides is given below: Pre-sprouted rhizomes were planted in the 2^nd week of April 2016 at the rate of 1.6 t/ha. Pieces of seed rhizome were sown at the rate of 65g (1 rhizome) per hole. The seeds (rhizome) were placed individually in the furrows and the furrow was covered with soil. The plots were earthen up 20 cm high from the level of the drain. Finally, the plot was covered with straw of dry rice. Data were collected on no. of tillers per plant, plant height (cm), no. of leaves per plant, healthy plant per plot, infected plant per plot, and disease severity of plant (%) before harvesting. Data were recorded on 60, 90, 120, 150, and 180 days. The date of harvesting ginger was 15^th January 2017. Rhizomes from each plot were harvested separately. The weight of rhizomes was recorded in each plot in kg and it was converted into hectares. Collected data were analyzed statistically by using the MSTAT-C computer package program

Source of Information: Asian Research Journal of Agriculture - 8(3): 1-9, 2018

Article Link (Online Journal): DOI: 10.9734/ARJA/2018/40356

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the present study, it can be concluded that the application of different fungicides has significant importance on plant height, number of tillers, number of leaves, infected plants, disease severity of plants, and yield of ginger. But among all the treatments, Capriotop was found as the best with the highest yield (4.13 t/ha) of ginger by increasing other yield contributing parameters and reducing disease severity.

Knowledge Management: Journal