Effect of Biostimulator Chlorella fusca on Improving Growth and Qualities of Chinese Chives and Spinach in Organic Farm
2018
Kim, M.J., National Institute of Agriculture Sciences, Wanju, Republic of Korea | Shim, C.K., National Institute of Agriculture Sciences, Wanju, Republic of Korea | Kim, Y.K., National Institute of Agriculture Sciences, Wanju, Republic of Korea | Ko, B.G., National Institute of Agriculture Sciences, Wanju, Republic of Korea | Park, J.H., National Institute of Agriculture Sciences, Wanju, Republic of Korea | Hwang, S.G., Hongcheon Agricultural Technology Center, Hongcheon, Republic of Korea | Kim, B.H., Samcheok Agricultural Technology Center, Samcheok, Republic of Korea
This study was conducted to investigate the efficacy of freshwater alga, Chlorella fusca on the improvement of growth and qualities in organic spinach and Chinese chives farm. The average height of Chinese chives treated with the chlorella was 3.7 cm smaller than that of the untreated. The leaf width and fresh weight of Chinese chives treated with the chlorella was 0.5 mm wider and 30.3 g heavier than that of the untreated. The commercialization and yield of Chinese chives treated with the chlorella was 11.9% and 18.3%, respectively higher than that of the untreated. Also, the disease severity of gray mold disease of Chinese chives treated with the chlorella was reduced by more than 24.2% when compared with the untreated. The thickness and number of spinach leaves treated with chlorella was 27.9% and 41.8%, respectively higher than that of the untreated. The fresh weight and yield of the spinach treated with the chlorella was 63.6% and 31.5%, respectively higher than that of the untreated. Moreover, the mineral content of K, Ca, Mg, P, Fe, and Mn were recorded higher in the spinach treated with chlorella compared with that of untreated. The results indicated that the freshwater alga, Chlorella fusca is efficient and economical biostimulant in improving plant growth and quality of Chinese chives and spinach in organic farm.
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