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Effect of Different Tunnel Covers on Growth and Yield of Sweet Pepper

M S Islam*
Department of Horticulture, Faculty of Agriculture, Sylhet Agricultural University, Sylhet -3100, Bangladesh

G M A Halim
CSO, Olericulture Division, HRC, BARI, Gazipur, Bangladesh

Abstract/ Executive Summary:

A popular sweet pepper variety ‘California Wonder’ was evaluated under different protective structures in two consecutive seasons of 2008-09 and 2009-10 at the experimental field of Horticulture Research Center (HRC) of Bangladesh Agricultural Research Institute (BARI), Gazipur. Protective structures had remarkable and significant influence on plant growth and yield of the sweet pepper. The plants grown under tunnel cover with polythene and nylon net or tunnel cover with only nylon net had higher plant height compared to that of plants grown in open field. In both of the seasons the highest individual fruit weight (76.13g and 73.71g, respectively) was recorded from the plants grown under tunnel cover with polythene and nylon net while it was the lowest from open field grown plant (45.44g and 48.2g, respectively). The highest number of fruits per plant was recorded in both seasons from the plants grown under tunnel cover with polythene and nylon net and it was closely followed by tunnel cover with only nylon net. The maximum fruit yield per plant (550.1g) was recorded in 2009-10 from tunnel cover with polythene and nylon net which was followed by tunnel cover with only nylon net (439.58g). The lowest per plant fruit yield was obtained from the crop grown in open field (125.1g) indicating brighter scope for sweet pepper cultivation under protective structures.

Keywords: Sweet pepper, Protective structures, Polythene, Nylon net

Location: Horticulture Research Center (HRC) of Bangladesh Agricultural Research Institute (BARI), Gazipur.

Start Date: 00-00-2008

End Date: 00-00-2010

Program Area: Crop-Soil-Water Management

Commodity: Sweet Pepper

Objectives:

The present investigation was undertaken to study the effect of protective structures on the growth and yield of sweet pepper.

Methodology:

The study was conducted at Olericulture Division, HRC, BARI Gazipur, during Rabi season of two consecutive years of 2008-09 and 2009-10. The study was set up in RCB design with four replications. One popular commercial sweet pepper variety California Wonder was included in the study with three protective structures (tunnel covered with polythene and nylon net, tunnel covered with only nylon net and tunnel covered with only polythene; Fig. 1) and a control. The height of the structure was 1.0 meter above soil surface and the thickness of the polythene was 0.5 mm while 120 mesh nylon net was used in this study. Seeds were sown in the seedbed on October 17 of 2008 and 2009. Seedlings of 2-3 leaf stage were transplanted in poly bags. Thirty five day old seedlings (4-5 true leaf stage) were transplanted in the experimental plots. The unit plot size was 4.0 m × 1.0 m and the plants were spaced 50 cm × 40 cm between plant-to-plant and row-to-row, respectively. The crop was fertilized with well decomposed cowdung, urea, TSP, MP, Gypsum and ZnO at the rate of 10 ton, 220 kg, 330 kg, 200 kg, 110 kg and 5 kg per hectare, respectively. Half of the quantity of cowdung was applied at final land preparation. The remaining cowdung, entire quantity of TSP, ZnO, Gypsum and one third each of urea and MP were applied during pit preparation. The rest of urea and MP were applied in two equal splits at 25 and 50 days after transplanting in the main field (Rashid et al. 2006). Irrigation, weeding and mulching were done as and when required. Data were recorded on yield and yield attributes and these were analysed using MSTAT software for interpretation of the results.

Source of Information: J. Sylhet Agril. Univ. 1(1):11-14, 2014 ISSN: 2308-1597

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In conclusion sweet pepper production under Bangladesh condition is possible provided that the crop is protected from biotic and abiotic stresses by any means like protective structures of polythene and nylon net. Protection of plants from low night temperature during heavy cold, protection of the plants from mites and insects are the prerequisite for successful sweet pepper production in Bangladesh.

Knowledge Management: Journal