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Shooting and Fruiting Characteristics of 'Hachiya' Persimmon Tree Affected by Sub-zero Temperature Treatment at Early Budding Stage

발아 초기에 영하온도 처리에 따른 감나무 '갑주백목' 의 신초 생장과 착과 특성

  • 김호철 (원광대학교 원예산업학부)
  • Received : 2019.09.20
  • Accepted : 2019.10.13
  • Published : 2019.11.30

Abstract

The purpose of this study was to investigate shooting and fruiting characteristics of persimmon 'Hachiya' affected by sub-zero temperature at early budding stage. The number of developed shoots, and the number of shoots with young fruits, and the shooting and fruiting of terminal buds of one-year-old branch (1YOB) were significantly decreased with the sub-zero temperature treatment (SZT). The number of shoots developed in the top of 1YOB decreased 47.2% due to SZT. The number of shoots with fruits was significantly decreased at 50% or higher in non-budding rate of 1-YOB. Especially the number of fruits (Y) at the three terminal buds of 1YOB was significantly affected by SZT and the non-budding rate (X) as Y = -0.145X + 12.950 ($r^2=0.4672^*$). Therefore, in the early budding stage of persimmon, when tree is affected by SZT ($-2^{\circ}C$, 3 hours), shoots growth is reduced and increase of 10% in non-budding rate reduces 1.4 of fruits per the three terminal buds of 1YOB.

본 연구는 감나무 '갑주백목'의 발아 초기에 영하의 온도 처리에 따른 신초 생육 및 착과 특성을 알아보기 위해 수행되었다. 1년생 가지 당 발생된 신초 수, 착과된 신초 수, 그리고 정단부의 신초의 생장 및 착과는 영하온도 처리에 따라 뚜렷이 감소하였다. 그리고 1년생 가지 정단부에서 발생한 신초의 착과 수는 영하온도 처리에 의해 47.2% 감소하였다. 1년생 가지의 착과 신초 수는 그 가지의 눈 고사율 50% 이상 가지에서 유의하게 감소하였다. 특히, 정단부 3개의 눈에서 발생한 착과 수는 영하온도 처리와 이에 따른 눈 고사율 차이의 영향을 뚜렷하게 받았다. 영하온도처리를 받은 1년생 가지의 눈 고사율(X)과 정단부 3개의 눈에서 발생된 과실수(Y) 간 Y=-0.145X+12.950($r^2=0.4672^*$)의 유의한 관계를 나타내었다. 따라서 감나무 발아초기에 영하 온도($-2^{\circ}C$, 3시간)의 영향을 받으면 신초 생장량이 감소되고, 눈 고사율 10% 증가함에 따라 1년생 가지(정단부 3개의 눈) 당 착과 수는 1.4개 감소되는 것으로 생각된다.

Keywords

References

  1. H.S. Im, “The Functional for the Prevention and Treatment on Hair Loss from Astringent Persimmon Fruit Extracts,” The Journal of the Convergence on Culture Technology, Vol. 4, No. 3, pp. 253-259, 2018. http://dx.doi.org/10.17703/JCCT.2018.4.3.253
  2. Moon JY and Lee JM, “Studies on the Occurrence of Cold Injury in Several Fruit Trees and Factors Affecting Cold Hardiness. I. Occurrence of Cold Injury as Influenced by Fruit Species, Cultivars, Tree Age, and Location and Site of Orchards,” J. Kor. Soc. Hort. Sci., Vol. 26, No. 4, pp. 318-326, 1985.
  3. H.C. Kim, K.S. Bae, J.H. Bae, and T.C. Kim, “Freezing Hardiness according to Dormancy Level and Low Temperature in Persimmon (Diospyros kaki),” J. Bio-Environ. Control, Vol. 16, No. 3, pp. 269-273, 2007.
  4. Park YS and Park HS, "Cold Injury of Reproductive Organ by Low Temperature and It's Duration in Loquat Orchard," Proceedings of J. Kor. Soc. Hort. Sci., Vol. 12, pp. 146-147, 1994.
  5. Song GC, Choi IM, and Cho MD, “Cold Hardiness in Relation to Vine Management in ‘Campbell Early’ Grapevines,” Kor. J. Hort. Sci. Technol., Vol. 18, No. 3, pp. 387-390, 2000.
  6. S.T. Choi, D.S. Park, J.Y. Son, Y.O. Park, K.P. Hong, and K.S. Cho, “Climate-related Changes in Fruit Growth of ‘Fuyu’ Persimmon during the Harvest Season,” Kor. J. Hort. Sci. Technol., Vol. 31, No. 1, pp. 32-37, 2013. http://dx.doi.org/10.7235/hort.2013.12067
  7. Salisbury FB and Ross CW, "Plant Physiology. 4th ed," Wadsworth, pp. 329-355, 551-574, 585, 1991.
  8. Sparks D, "Abnormal Flowering in Pecan Associated with Freezing Temperatures," HortScience, Vol. 27, pp. 801-803, 1992. https://doi.org/10.21273/HORTSCI.27.7.801
  9. S.K. Kang, H. Motosugi, K. Yonemori, and A. Sugiura, “Freezing Injury to Persimmons (Diospyros kaki Thunb.) and Four Other Diospyros Species during Deacclimation in the Spring as Related to Bud Development,” Scientia Horticulturae, Vol. 77, No. 1-2, pp. 33-43, 1998. http://dx.doi.org/10.1016/s0304-4238(98)00166-6
  10. Park SJ, “Effect of Different Degrees of Defoliation on Fruit Quality, Reserve Accumulation and Early Growth of Young Fuyu Persimmon,” Kor. J. Hort. Sci. Technol., Vol. 20, No. 2, pp. 110-113, 2002.
  11. TKMansfield and Howell GS, "Response of Soluble Solids Accumulation, Fruitfulness, Cold Resistance, and Onset of Bud Growth to Differential Defoliation Stress at Veraison in 'Concord' grapevines," Amer. J. Enol. Vitic., Vol. 32, pp. 200-205. 1981.
  12. D. Weon, “Service Platform Design for Smart Environment Disaster Management,” The Journal of the Convergence on Culture Technology, Vol. 4, No. 3, pp. 247-252, 2018. http://dx.doi.org/10.17703/JCCT.2018.4.3.247
  13. J.M. Im, W.Y. Kim, W.J. Byoun, and S.J. Shin, “Fruit Price Prediction Study using Artificial Intelligence,” The Journal of the Convergence on Culture Technology, Vol. 4, No. 2, pp. 197-204, 2018. http://dx.doi.org/10.17703/JCCT.2018.4.2.197