On the Relation between the Flowering and the Growing Position of Flower Buds

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1. The bloom time and flowering progress of every branch of 3 varieties, that were U-12, A-5 and C-5, were observed during 5 months from August to December. 2. The flower buds were observed in the following different positions for three growthtypes of branches; (a) On the branches which grew no more after June, the flower buds grew in the terminal and axillary buds. (Fig. 1, I ) (b) On the branches which had twice growth time, they grew in the terminal and axillary buds at the upper and lower portions of one branch. (Fig. 1, II) (c) On the vigorous branches which grew continuously during one growing season, they grew in the axillary buds. (Fig. 1, III) 3. The bloom time of 1-4 flower buds which had grown in each bud was researched, and the following fact was assumed; the flower at the base portion of the buds bloomed first, and then gradually upwards. The period from the first flower blooming (Fig. 2, A) to the second (Fig. 2, B) was about 30 days for U-12, but it was 10-15 days for A-5 and C-5. 4. The terminal flower buds had earlier bloom time comparing the axillary buds on every branch. In each variety, an earlier flowering tendency was observed for (a)-type branch mentioned in the item 2, and the flowering of (b)-type continued till late. 5. Generally speaking, the flower buds on each branch of the varieties which had short flowering period bloomed almost at a time, but those of the variety of long flowering period bloomed by rounds through the time.
日本茶業技術協会の論文

On the Relation between the Flowering and the Growing Position of Flower Buds

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