Flowering and yield of 'Meiwa' kumquat [Fortunella crassifolia swingle] trees are affected by duration of water stress
2004
Iwasaki, N. (Miyazaki Univ. (Japan). Faculty of Agriculture) | Yamaguchi, T.
Meiwa' kumquat (Formnella crassifolia Swingle) trees were subjected to water stress in order to increase first-flush flowers by withholding water until the soil water content reached about 3596 and maintained 2 weeks, 3 weeks and 4 weeks. In all treatment subjected to water stress increased first-flush flowers as compared with non-treated control trees. The number of first-flush flower increased with the prolonged duration of water stress. Early fruit development in water stressed trees were promoted and fruit diameter at harvest increased significantly. In rind color of the fruit at harvest, a value of the rind increased significantly suggested promotion of fruit maturation in water stressed trees. Total soluble solids of the fruit in water stressed trees were not different from the control trees, while yield per tree in water stressed trees were significantly increased as compared with the control trees. These results indicate that the number of first-flush flowers increases under water stress after termination of new shoot growth and yield increases significantly without degrading fruit quality.
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