Characteristics of lateral bud development, necrosis and genesis of flower primordium in ‘Kyoho’ grapevinesopen access
- Authors
- Park, Jun Young; Jung, Myung Hee; Kim, Bo Min; Park, Yo Sup; Kim, Jun Hyeok; Park, Hee-Seung
- Issue Date
- Dec-2020
- Publisher
- 충남대학교 농업과학연구소
- Keywords
- bud; flower primordium rate; Kyoho; necrosis rate; tree vigor
- Citation
- Korean Journal of Agricultural Science, v.47, no.4, pp 987 - 993
- Pages
- 7
- Journal Title
- Korean Journal of Agricultural Science
- Volume
- 47
- Number
- 4
- Start Page
- 987
- End Page
- 993
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/48769
- ISSN
- 2466-2402
2466-2410
- Abstract
- This study investigated the effective harvest of ‘Kyoho’ grapevines by examining their characteristics including bud development, necrosis types and flower primordium formation.
The size of the axillary bud did not show any difference in the 5th node or more, but it was smaller because it was closer to the base in the 4th node or less. In the 1st node, the rates of main bud necrosis (MBN), accessory bud necrosis (ABN), and whole bud necrosis (WBN) were high, and the rate of flower primordium formation was low, but there was no significant difference in the other nodes. Therefore, it was expected that using other nodes than the 1st node would be advantageous to secure production. Because the growth progresses after sprouting, the main bud necrosis rate increases, showing a very low flower primordium formation rate in March of the following year. Therefore, a method is needed to increase the storage nutrients in the winter and the rate of flower primordium formation after March. This study found that the thickness of the shoots should be less than 8.5 mm between the 3rd and 4th nodes, and the length should be less than 60 cm for nodes up to the 10th node.
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