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Effect of Disease Managements on Disease Incidence, Seed Yield, Stick Yield and Fibre Yield Following Line Sowing Method in O-9897 Variety

S. M. A. Haque
Senior Scientific Officer
Plant Pathology Department, Bangladesh Jute Research Institute

I. Hossain
Professor
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh.

M. A. Rahman
Professor
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh.

M.A. Alam
Senior Scientific Officer
KIshoregonj Regional Station, Kishoregonj

Abstract/ Executive Summary:

The experiment was conducted in the field of Jute Agriculture Experimental Station (JAES), Manikgonj and Kishoregonj Regional Station (KRS), Kishoregonj of BJRI during the period April 2012 to January 2013. Two different disease management practices viz. Dithane M-45 and BAU Biofungicide and Seeds having moisture content 9.5% were used for the present study. Disease management showed lowest disease incidence 3.13% and 2.11% at JAES and KRS, respectively with BAU- Biofungicide spraying and highest disease incidence 4.26% and 4.47% at JAES and KRS, respectively were recorded under control condition. The, highest seed yield (339.24 kg ha-1), fibre yield (4.03 t ha-1) and stick yield (8.76 t ha-1) were recorded under BAU- Biofungicide sprayed plants and lowest seed yield (297.47 kg ha-1), fibre yield (1.95 t ha-1) and stick yield (4.85 t ha-1) were recorded under control treatment.

Keywords: Disease management, Disease incidence, Seed quality, Yield

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

Start Date: 01-04-2012

End Date: 31-12-2013

Program Area: Pest Management

Commodity: Jute, Diseases

Objectives:

To find out suitable disease management 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 Bangladesh Jute Research Institute (BJRI). The experiments were conducted during the period April 2012 to January 2013. Varieties Used: Seed of O-9897 was selected for this study. Moisture Content of Seeds: Seeds having moisture content 9.5% (Khandakar and Bradbeer, 1983 and Bangladesh Gazette, 2010) was selected for field study. Disease Management in the Field:i) Spraying of fungicide dithane M-45 (0.2%). Dithane M-45 (Mancozeb 80%) was sprayed at 2 g L-1 (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. ii) Spraying of BAU Biofungicide at 2% in water (Hossain, 2011b) BAU- Biofungicide was sprayed at 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 and iii) Control (without spray). Experimental Design: The experiment was conducted following Randomized Block Design (RCBD) having three replications. The size of the unit plot was 10 m2 (5x2 m) 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). Land Preparation: The land was first opened on 13 March 2012 with a power tiller. Final land preparation was done by tractor drawn disk plough and thoroughly prepared with four ploughings and three cross ploughings followed by ladderings in order to level the soil. Weeds and stubbles were removed from the field. Finally, individual plots were prepared by using spades before sowing of seeds. Application of Fertilizers: During final land preparation urea 60 kg ha-1, triple super phosphate 50 kg ha-1 and muriate of potash 25 kg ha-1 were applied (Islam, 2009; Islam et al., 2008). After 15-20 days of seed germination first top dressing with the urea at 60 kg and again another 15 days later of first top dressing, the 2nd top dressing was given with 60 kg ha-1. 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 at 45 and 5 kg ha-1 were applied (Islam, 2009; Islam et al., 2008). Sowing of Seeds: Seeds were sown in line on 20 April, 2012 in Kishoregonj Regional Station (KRS), Kishoregonj and 2 May, 2012 in Jute Agriculture Experimental Station (JAES), Manikgonj. Row to row and plant to plant distance were maintained as 1M and 1M, respectively. The seed rate for O-9897 was 4 kg ha^-1. Data collection: Data on different parameters were collected: 1) Incidence of diseases (%), 2). Fibre yield per plant (g) and per hectare (t). Fibre was harvested at field duration of 120 days from the jute plants grown in different blocks. The crop was harvested after 120 days of sowing. After being harvested, bundles of plants were to leave in a heap in dry jute field for four days to make defoliation. 3) Stick yield per plant (g) and per hectare (t). Stick was harvested from the jute plants grown in different blocks. 4) Average number of branch per plant, 5) Average number of fruits per plant, 6) Seed yield per plant (g) and per hectare (kg). The ripening pods (65-75%) were harvested from the jute plants. Seeds were extracted from the harvested pods, dried and seed yield per plant and hectare were recorded. Statistical Analysis: Data were analyzed statistically and treatments effects were compared by Duncan’s Multiple Range Test (DMRT) (Gomez and Gomez, 1984).

Source of Information: Thai Journal of Agricultural Science. 48 (1): 39-46. (2015)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

For quality seed and fibre production from the findings of this study: 1) 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. 2) Fibre and seed yield were found to decrease with the increase of seed borne infection of fungal pathogens. So, the following recommendation may be drawn for quality seed and fibre production from the findings of this study: Foliar spray of BAU Biofungicide increase the quality and yield of the jute seed and fibre in the field.

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