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Effect of Shading on Off-season Hydroponic Capsicum Production

AKM Salim Reza Mollik

M.R. Islam

Abstract/ Executive Summary:

Effect of Shading on off season capsicum variety for production through hydroponics culture was conducted at the glass house of Olericulture Division, Horticulture Research Centre, BARI, Joydebpur ,Gazipur, during April 2013 to August 2013. The plant height was higher in T₁ (45) treatment followed by T₃ (41) T₄ (38) and lowest in T₂ (35).The days to 50% flowering was earlier in T₂ (40) and late in T₄ (52) treatment. The days to first was earlier in T₂ (65 days) followed by T₃ (68), T₁ (71) days and late in T₄ (77 days). The number of fruits per plants was higher in T₂ (22) and lower in T₄ (10) treatment. The fruit size was large in T₁ treatment (6.9x6.0) followed by T₂ (5.9x5.2cm) and small in T₄ treatment (4.5x4.2 cm).The individual fruit weight was higher in T₂ treatment (85g) followed by T₃ (80g) and T₁ (75g) and lowest in T₄ (70) treatments. The yield per plant of capsicum was high in T₂ (1.8kg) treatment and followed by T₃ (1.4kg) and T₁ (1.1kg) and lowest yield was found in T₄ (0.7Kg).

Keywords: Capsicum, Shading, Off-season, Hydroponic, Return

Location: Glass house, Olericulture Division, Horticulture Research Centre, BARI, Joydebpur, Gazipur

Start Date: 00-06-2013

End Date: 00-11-2013

Program Area: Crop-Soil-Water Management

Commodity: Capsicum

Objectives:

To find out shading effect on capsicum for off season production in hydroponics culture.

Methodology:

The experiment was carried out at the glass house of Olericulture Division, Horticulture Research Centre, BARI, Joydebpur, Gazipur, during June 2013 to November 2013. The study was set up in CRD design with four treatment and three replication . BARI Capsicum -1 was used as verity. The treatments were T₁= 0% shade, T₂ = 30%, shade T₃= 40% shade and T₄=60% shade. Different thickness black nylon net was used to making shade. Water non Circulating methods were used. The seedlings were grown in sponge block. The sponge were cut into 2.5 cm cube size, in the middle of the cube the seeds were sown after that foam were placed in a tray (60x80x25cm) containing 30L fresh water. A news paper was placed over the Styrofoam to control the evaporation of water. After germination the newspaper was removed. At two to three true leaf stages 10 to 20 cc nutrient solutions were added at an interval of 2 to 3 days. After 3 to 4 weeks the seedlings were transplanted in individual plastic Buckets. Each bucket contain 10 liter of water and 100ml of each nutrient solution ‘A’ and’ B’ adding in the bucket. The composition of nutrient solution to prepare 1000 liters solution: Potassium hydrogen phosphate 263.00g; Potassium Nitrate=583.00g; Calcium Nitrate=100.00g; Magnesium sulphate=515.00g; EDTA iron=79.00g; Manganese sulphate=6.10g; Boric acid=1.70g; Copper sulphate=0.39g; Ammonium molybdate:0.37g; Zinc sulphate=0.44g.Seedling of cucumber were transplanted on July, 10, 2013 and harvested up to November, 2013.The intercultural operations such support the plant with nylon tape ,solution and acid adding etc. were done as and when necessary. The EC and pH were maintained 2.0 ds/m and 6.5 respectively. Data on Ec, PH, solution regularly and adjust EC and pH every days, temperature, yield and yield contributing parameters were recorded and statistically analyzed.

Source of Information: Research Report on Horticultural Crops 2013-2014 (Olericulture) HRC, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The highest yield obtain from 30% shading (1.8kg fruit/plant) and followed by 40% shading (1.4kg/plant) and 0% shading (1.1kg) and lower in 60% shading 0.70kg fruit/plant. The plant height was higher in 0% shade and followed by 30% shade (41cm) and lower in 60% shading (38cm). The benefit cost return was higher in 30% shading (1:7.6) in 60% shading it was (1:1.8). So, it can be concluded that the 30% shading is profitable than 0%, 40%, and 60% shading.From the study it found that the shading has produce effect on capsicum production in hydroponic culture. The maximum yield was obtain from 30% (1.8 kg) and lower in 60% shading (0.7kg). So capsicum can be grown in 30% shading during off-season. The experiment may be repeated for the next season for confirmation of the result.

Knowledge Management: Report/Proceedings