Effect of Runner Cutting Time on Growth and Yield during Nursery of Strawberry (cv. Maehyang and Seolhyang)
2012
Kim, D.Y., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Kim, S., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Kang, Y.I., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Yun, H.K., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Yoon, M.K., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Kim, T.I., Chungcheongnam-do Agricultural Research and Extension Services, Yesan, Republic of Korea | Choi, J.M., Chungnam National University, Daejeon, Republic of Korea
This study was conducted to investigate the effects of the runner cutting time on the growth and yield of strawberry (Fragaria × ananassa cv. Maehyang and Seolhyang) during nursery period of two consecutive years (2009 and 2010). Strawberry runners which connected from mother plants to daughter plants were cut 30, 20, 10 and 5 days before transplanting day (11 Sep. 2009 and 10 Sep. 2010). When runner cutting time delayed, more nutrition was supplied to the daughter plant until late nursery period. It showed that there was a tendency to increase the fresh weight, crown diameter and leaf chlorophyll content. On the other hand, when the runner was cut earlier, the growth of underground part such as root weight was improved. Irrigation demand increased to 29.7% in case of runner cutting from mother plant compared with runner non-cutting treatment. In addition, infection ratio of anthracnose through runner part was 37.6% higher in case of runner cutting than that of runner non-cutting treatment. After transplanting, budding and flowering period were delayed up to 2 or 3 days because of late runner cutting. But there was no significant difference in marketable fruit yield among runner cutting times. It is recommended to conduct runner cutting 5 or 10 days before transplanting for reducing the occurrence of anthracnose.
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