Effect of 4-chlrophenoxyacetic acid application on yield and fruit quality of tomato (Solanum lycopericum L.) under high temperature conditions
2011
Sanada, A. | Kunori, H. | Koshio, K. | Iwahori, S. | Takashi, H., Tokyo Univ. of Agriculture,Tokyo (Japan). Lab. of Tropical Horticultural Science
In tropical or subtropical regions, tomato growers are challenged by the reduction in fertilization rate, yield and fruit quality due to high temperatures and/or excess light intensity. 4-Chlorophenoxyacetic acid (4-CPA) is applied as a supplement to overcome these disadvantages but the effect on fruit yield and/or quality such as antioxidant activity is not yet fully understood. The effect of 4-CPA on yield and fruit quality of Taiwanese heat tolerant tomato varieties and Japanese common varieties were investigated. The results show that 4-CPA application alleviated the decrease in yield and enhanced the antioxidant activity and total phenol content.
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