抄録
1. Increase of physiological carbohydrate does not necessarily augment the percentage of fertilized berries of Muscat of Alexandria.
2. For weak canes which shell flowers sugar injection is ineficacious to give more fertilized berries to clusters of Muscat of Alexandria.
3. On the contrary for such canes asparagin injection is effective to help the good set.
4. Very vigorous canes increase the percentage of fertilized fruits being injected with carbohydrate as well as moderately vigorous canes do without any injection.
