Bearing flower and fruit properties, and improvement using a plant growth regulator of medium-late maturing citrus 'Reikou'
2015
Hayashida, S.
Investigated a characteristic of the flower set and bearing fruit in medium-late maturing citrus 'Reikou'. And I clarified the form and essence of the fruiting mother shoot which leafy inflorescence was easy to set fruit. Furthermore, I examined it about processing time and disposal density of gibberellin which was a plant growth regulator to raise a bearing fruit rate. As a result, follows became clear. 1) 'Reiko' compared with 'Setoka', there are a many flowers (particularly a leafless inflorescence), and a bearing fruit rate of the leafy inflorescence is low. 2) Leafy inflorescence performs bearing fruit to the fruiting mother shoot of long about 12-13cm and much number of the leaves. 3) A bearing fruit rate of the leafy inflorescence increased by spraying gibberellin in anthesis. And dispersion time of the gibberellin is the full bloom period, and the dispersion density is 25-50ppm.
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