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Interaction Effect Among the Disease Managements, Seed Treatments and Locations in O-9897 Variety on Disease Incidence, Seed Yield, Stick Yield and Fiber Yield Following Line Sowing Method in the Field

S. M. A. Haque
Senior Scientific Officer
Plant Pathology Department, BJRI, Dhaka

Abstract/ Executive Summary:

The experiments were conducted in the field of Jute Agriculture Experimental Station (JAES), Manikgonj and Kishoregonj Regional Station (KRS), Kishoregonj
of BJRI. The experiments were conducted during the period April 2012 to January 2013. Two different disease management viz. spraying of BAU- Biofungicide
and spraying of Dithane M-45, two different seed treatments viz. Provax-200 and BAU- Biofungicide and two locations viz. JAES and KRS were used for the present study. Interaction between disease managements and seed treatments, in case of KRS, after spraying, interaction effect of BAU- Biofungicide spraying
plants and BAU- Biofungicide treated seed resulted lower seed borne infection (1.39%) and highest disease incidence (3.46%) was encountered in interaction of control and control treatment. The fiber yield/ha (3.97 ton), stick yield/ha (8.82 ton) and seed yield/ ha (373.54 kg) were recorded in interaction effect of BAUBiofungicide spraying plants and BAU- Biofungicide treated seed. In case of JAES, after spraying, lower seed borne infection (2.53%) was observed in interaction effect of BAU- Biofungicide spraying plants and BAU- Biofungicide treated seed and highest disease incidence (5.08%) was encountered in interaction effect among control condition and control treatment. The highest fibre yield/ha (5.03 ton), stick yield/ha (10.01 ton) and seed yield/ ha (369.02 kg) were recorded in interaction effect of BAU- Biofungicide spraying plants and BAU-Biofungicide treated seed. Interaction between disease managements, seed treatments and locations, after spraying, interaction effect of KRS, BAU- Biofungicide spraying plants and BAU- Biofungicide treated seed resulted lower seed borne infection (1.36%) and highest disease incidence (5.08%) was encountered in interaction effect of JAES, control condition and control treatment. The highest fibre yield/ ha (5.03 ton) and stick yield/ha (10.01 ton) were recorded in interaction effect of JAES, BAU- Biofungicide spraying plants and BAU- Biofungicide treated seed. Highest seed yield/ha (373.54 kg) were recorded in interaction effect of KRS, BAU- Biofungicide spraying plants and BAU- Biofungicide treated seed.

Keywords: Interaction; Disease managements; Seed treatments; Disease incidence; O-9897

Location: Jute Agriculture Experimental Station (JAES), Manikgonj and Kishoregonj Regional Station (KRS), Kishoregonj of BJRI.

Start Date: 01-04-2013

End Date: 30-01-2013

Program Area: Pest Management

Commodity: Diseases, Jute

Objectives:

To find out suitable disease management and seed treatments for quality jute seeds and fibre production

Methodology:

Experimental sites and period: The experiments were conducted in the field of Jute Agriculture Experimental Station (JAES), Manikgonj and Kishoregonj Regional Station (KRS), Kishoregonj of BJRI. The experiments were conducted during the period April 2012 to January 2013. Varieties used: Seed of O-9897 was selected for this study. Disease management in the field
i. Spraying of fungicide Dithane M-45 (0.2%)
ii. Spraying of BAU- Biofungicide @ 2% in water [17]
iii. Control (without spray)
Spraying of Dithane M-45: Dithane M-45 (Mancozeb 80%) was sprayed @ 2gm/L (0.2%) water as a preventive measure against the diseases of jute plants. Altogether, two sprays were done. The first spraying was done after disease occurred and the second spraying was done after 45 days of 1 st spraying. Spraying of BAU- Biofungicide: BAU- Biofungicide was sprayed @ 2% in water as a preventive measure against the diseases of jute plants. Altogether, two sprays
were done. The first spraying was done after disease occurred and the second spraying was done after 45 days of 1 st spraying.
Seed management
i. Seed treated with Provax-200 WP (0.4% of seed weight)
ii. Seed treated with BAU- Bio fungicide @ 3% of seed weight
iii. Control (Untreated)
Seed treated with Provax -200 WP: Seeds were treated with Provax-200 (5,6- dihydro -2-methyl-1, 4-oxathin-3- carboxinilide, Group: Oxathin) @ 0.4% of seed weight in a 250 ml Erlenmeyer flask and shaken thoroughly for proper coating of the seeds with the fungicides [6]. Seed treated with BAU- Biofungicide: Seeds were treated with BAU- Biofungicide @ 3% of seed weight in a 250 ml Erlenmeyer flask and shaken thoroughly for proper coating of the seeds. The treated seeds were kept inside the brown paper bags so that seeds remain in dry condition till for further use. Experimental design: The experiments were conducted following Randomized Block Design (RCBD) having three replications. The size of the unit plot was 10m2 (5m x 2m) and the distance between plots and replications were 1.0 m and 1.0 m, respectively. Soil characteristics and nutrient status: The Soil characteristics and nutrient status of the two experimental stations (JAES, Manikgonj and KRS, Kishoregonj) are shown in. Application of fertilizers: During final land preparation Urea 60 kg, Triple Super Phosphate 50 kg and Muriate of Potash 25 kg per hectare were applied [18]. After 15-20 days of seed germination first top dressing with the urea @ 60 kg and again another 15 days later of first top dressing, the 2 nd top dressing was given with 60 kg per hectare. Top dressing of urea was done very carefully so that it will not come in contact with the plant parts. To meet sulphur and zinc deficiency, gypsum and zinc oxide @ 45 kg and 5 kg per hectare were applied. Sowing of seeds: Seeds were sown in line on 20 April, 2012 in Kishoregonj Regional Station (KRS), Kishoregonj and 2 nd May, 2012 in Jute Agriculture Experimental Station (JAES), Manikgonj. Row to row and plant to plant distance were maintained as 1M and 1 M, respectively. The seed rate for O-9897 was 4 kg per hectare. Data collection
Data on different parameters were collected as shown below:
i. Incidence of diseases (%)
ii. Fibre yield per plant (gm)
iii. Fibre yield per hectare (ton)
iv. Stick yield per plant (gm)
v. Stick yield per hectare (ton)
vi. Average number of branch per plant
vii. Average number of fruits per plant
viii. Seed yield per plant (gm)
ix. Seed yield per hectare (kg)
Some plots were kept un-harvested for seed production
Statistical analysis: Data were analyzed statistically and treatments effects were compared by Duncan’s Multiple Range Test (DMRT). Relation between seed borne fungal pathogens and germination was observed with regression equations. Relationships between disease severity and seed, fibre and stick yield were also observed by linear regression lines and equations

Source of Information: J Microbiol Exp 4(2): 00109. (2017)

Article Link (Online Journal): DOI: 10.15406/jmen.2017.04.00109

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The following conclusion may be drawn for quality seed and fibre production from the findings of this study:
i. BAU- Biofungicide (2% in water) can successfully used as spraying agent to avoid Dithane M- 45 or other chemical fungicides for the production of quality healthy jute seeds with higher seed and fibre yield.
ii. Fibre and seed yield were found to decrease with the increase of seed borne infection of fungal pathogens.
iii. Seed germination and disease incidence varied significantly with respect to disease management, seed treatment and location.
So, the following recommendation may be drawn for quality seed and fibre production from the findings of this study:
i. Quality of jute seeds can be maintained by spraying of BAUBiofungicide and seed treated of BAU- Biofungicide enhance
the quality and yield of the jute seed and fibre in the field.

Knowledge Management: Journal