Influence of 6-benzylaminopurine spray time after pinching on growth and flowering of Veronica dahurica Steven

Q3 Agricultural and Biological Sciences Advances in horticultural science Pub Date : 2021-09-17 DOI:10.36253/ahsc-10158

Jin-Ho Kim, H. Oh, Sang Yong Kim, G. Suh

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Abstract

Veronica dahurica Steven (family Scrophulariaceae) is an ornamental plant from Korea. The aim of the present study was to produce multiple-branched plants by using 6-benzylaminopurine (BA) spray application at several time intervals after pinching. All 10 cm long plants were sprayed with 0, 500, 1000, and 2000 mg·L-1 BA at 0, 7, and 14 days after pinching. Growth characteristics were examined 10 weeks after pinching and flowering time was recorded. The number of branches was highest in the group sprayed with 1000 mg·L-1 BA at 0 d after pinching. The greatest plant height was observed in the group treated with 1000 mg·L-1 BA 14 d after pinching and the minimum plant height was observed in the group sprayed with 500 mg·L-1 BA at 0 d after pinching. The groups sprayed with higher BA concentrations and with longer intervals between pinching and spraying showed greater delay in the time to first flower. The flower length was decreased in the pinched and BA-treated group compared with the control. Thus, BA application and pinching could promote multiple branch induction and control flowering time in V. dahurica Steven.

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摘心后6-苄氨基嘌呤喷雾时间对白芷生长和开花的影响

白芷（玄参科）是韩国的一种观赏植物。本研究的目的是通过在摘心后的几个时间间隔使用6-苄基氨基嘌呤（BA）喷雾来生产多分枝植物。在摘心后0、7和14天，用0、500、1000和2000mg·L-1 BA对所有10cm长的植株进行喷雾。在摘心10周后检查生长特性，并记录开花时间。1000 mg·L-1 BA组在摘心后0 d枝条数最高。1000 mg·L-1 BA处理组摘心后14d株高最高，500 mg·L-1BA处理组在摘心后0d株高最低。BA浓度越高、摘心和喷雾间隔越长的组，初花时间延迟越大。与对照组相比，摘心组和BA处理组的花朵长度减少。因此，施用BA和摘心可以促进白芷的多分枝诱导并控制开花时间。

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来源期刊

Advances in horticultural science Agricultural and Biological Sciences-Horticulture

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Advances in Horticultural Science aims to provide a forum for original investigations in horticulture, viticulture and oliviculture. The journal publishes fully refereed papers which cover applied and theoretical approaches to the most recent studies of all areas of horticulture - fruit growing, vegetable growing, viticulture, floriculture, medicinal plants, ornamental gardening, garden and landscape architecture, in temperate, subtropical and tropical regions. Papers on horticultural aspects of agronomic, breeding, biotechnology, entomology, irrigation and plant stress physiology, plant nutrition, plant protection, plant pathology, and pre and post harvest physiology, are also welcomed. The journal scope is the promotion of a sustainable increase of the quantity and quality of horticultural products and the transfer of the new knowledge in the field. Papers should report original research, should be methodologically sound and of relevance to the international scientific community. AHS publishes three types of manuscripts: Full-length - short note - review papers. Papers are published in English.