| Summary: | 碩士 === 大葉大學 === 分子生物科技學系碩士班 === 106 === Cucumber is one of the most economic vegetable worldwide. It also is one of the highest pesticide residues crops. For maintaining cucumber quality, high frequencies of pesticide spray were applied for cucumber cultivation. This study's aim was to produce the high quality cucumber with pesticide-free. Plant factory is a better approach to produce crops under correctly controlling plant growth conditions. The results showed that cucumber plants grew vigor under plant factory. By measuring and correcting pH and EC values, the hydroponic solutions was maintained optimal conditions for plant growing. The first fruit was harvested the thirty days after planting. We compared different thinning treatments on fruit quantity and quality. (1) 219 numbers of fruit and 28.2 Kg of total fresh weight were harvested three months after planting under control (non-thinning) treatment. (2) 529 numbers of fruit and 63 Kg of total fresh weight were harvested four months after planting under thinning treatment. (3) 143 numbers of fruit and 8.6 Kg of total fresh weight were harvested one month after planting under the special treatment. The radios of straight and curved fruit were 9:1 in special treatment, 7:3 in thinning treatment and 6:4 in control treatment, respectively. Finally, we alsocompared varied numbers of main shoot on yield. The results showed that tree numbers of main shoot was the best yield.
Keywords：Plant factory, Cucumber, Yield assessment, Fruit quality
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