Effects of Seawater Spraying and Water Washing on Vine Growth and Fruit Quality of 'Campbell Early' Grapevines
2008
Song, G.C. (National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea), E-mail: [email protected] | Ryou, M.S. (National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea)
The experiments were conducted to determine the rate of leaf browning and leaf fall occurrences caused by salty wind in 'Campbell Early' grapevines due to salty wind damage and to find out the methods to minimize these damages. Seawater was sprayed on 'Campbell Early' grapevines at the rate of 10,000 Lㆍha-¹ to initiate the damage. After which, water washing was done at the rate of 10,000 Lㆍha-¹. Vine growth and fruit quality were measured regularly after each spraying. Leaf browning and leaf fall rates increased as seawater spraying frequency increased, particularly when the spraying was done in August. Soluble solid concentration and anthocyanin content in fruits decreased by seawater spraying on the first year as well as the following year. Leaf browning became severe at the start of water washing and was delayed after seawater spraying. It is recommended the grapevine leaves be washed with water within 1 h after hit by salty wind. However, there was no significant difference in fruit quality among the different starting times of water washing at the same rate of seawater spraying within 5 h after the seawater spraying.
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