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Effect of Nutrient Solution Strength on Growth, Fruit Quality and Yield of Strawberry 'Ssanta' in Hydroponics  

Jun, Ha Joon (Department of Horticulture, Daegu University)
Byun, Mi Soon (Department of Horticulture, Daegu University)
Liu, Shi Sheng (Department of Horticulture, Daegu University)
Jeon, Eui Hwan (Department of Horticulture, Daegu University)
Park, So Deuk (Gyongsangbuk-do Agricultural Research & Extension Services)
Chae, Jang Hee (Gyongsangbuk-do Agricultural Research & Extension Services)
Publication Information
Journal of Bio-Environment Control / v.21, no.3, 2012 , pp. 192-198 More about this Journal
Abstract
Experiments were conducted to investigate the optimum concentration of nutrient solution in hydroponics for strawberry 'Ssanta' bred at Gyongsangbuk-do Agricultural Research & Extension Services. Nutrient solutions for strawberry, which made by Yamazaki, were supplied EC (Electrical Conductivity) 0.6, 0.8, 1.2, and $1.8dS{\cdot}m^{-1}$ after planting on cocopeat medium during experiment period. Growth of shoot of strawberries did not show statistical differences among treatments. Fruit length showed the longest in EC $0.8dS{\cdot}m^{-1}$ in all clusters. In the second flower cluster, fruit length showed longer in EC 0.8 and $1.2dS{\cdot}m^{-1}$ than EC 0.6 and $1.8dS{\cdot}m^{-1}$. In the third flower cluster, it showed the longest in EC 0.8 and $1.2dS{\cdot}m^{-1}$, followed by 0.6 and $1.8dS{\cdot}m^{-1}$. The longest was in EC $0.8dS{\cdot}m^{-1}$ and the shortest in EC $1.8dS{\cdot}m^{-1}$ in the fourth flower cluster. Fruit diameter did not show significant differences among treatments, but longest in EC 0.8 and $1.2dS{\cdot}m^{-1}$ in all clusters. The heaviest mean fruit weight appeared in EC $0.8dS{\cdot}m^{-1}$ in all flower clusters. And heavier in EC $1.2dS{\cdot}m^{-1}$ in the second and third clusters. Also the weight was significantly light in plants grown in EC 0.6 and $1.8dS{\cdot}m^{-1}$ in the second and third cluster. Soluble solids of fruit was the highest in EC $0.6dS{\cdot}m^{-1}$ in all clusters. As the results, we came to the conclusion that the optimum EC for strawberry 'Ssanta' was EC $0.8{\sim}1.2dS{\cdot}m^{-1}$ in this experiment.
Keywords
hydroponics; nutrient solution strength; 'Ssanta'; strawberry;
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