強酸處理が甘藷種藷に及ぼす影響

概要

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The seed sweet potatoes were soaked in the 80% solution of H_2SO_4 or in the 30% solution of HCl for 15 or 3O seconds. Injured sweet potatoes were also treated by the same method as above mentioned. Then they were set on seed-bed to compare the sprouting ability. The results obtained are summarized as follows: 1. The sprouting ability of sweet potatoes was invigorated and the growth of buds and roots was accelerated by the acid-treatment. Nevertheless, in some varieties, number of buds per a potato decreased and the position of sprouted buds on the potato was removed from the apical portion to the basal portion. 2. Suger contents of treated seed potatoes increased more rapidly while a few days after setting on bed. 3. The rot of the injured potatoes was prevented by the acid-treatment and the sprouting ability of them was pretty vigorous. 4. By these facts, it may be suggested that the formation of growth substances as traumachic acid will be accelerated and the activity of enzyme will be invigorated by the acid treatment.
日本作物学会の論文
1951-03-30