Effect of Globe Growth and Chromogenic on Day and Night Temperature and the LED Light Treatment of Expert Grafted Cactus (Chamecereus silvestrii f. variegata) Cultivar 'Hee-Mang'

수출 접목선인장 산취 '희망'의 주.야 온도 및 LED광 처리가 모구 생육과 발색에 미치는 영향

  • Nam, Sang-Yong (Department of Horticulture, Sahmyook University) ;
  • Park, Sun-Mi (Natural Science Research Institute, Sahmyook University) ;
  • Ahn, Dong-Hyun (Natural Science Research Institute, Sahmyook University)
  • 남상용 (삼육대학교 원예학과) ;
  • 박선미 (삼육대학교 자연과학연구소) ;
  • 안동현 (삼육대학교 자연과학연구소)
  • Received : 2010.09.15
  • Accepted : 2010.09.27
  • Published : 2010.09.30

Abstract

This experiment was conducted to find the day and night temperature combination and the light-emitting diodes (LEDs) on the most effective globe coloration and growth of Chamecereus silvestrii f. variegata 'Hee-Mang'. The $L^*$value, $a^*$value and $b^*$value were all significant difference in the yellow globe color expression in the day and night temperature combination. Especially, the bright yellow color and visual value were the highest in the temperature combination, the day temperature of $20^{\circ}C$ and night temperature of $20^{\circ}C$. Globe color quality was lowered from the day temperature of $25^{\circ}C$ and night temperatures of $5^{\circ}C$ and $10^{\circ}C$ combination. In light-emitting diodes (LEDs) treatments, $a^*$value and $b^*$value are significant difference. A unique beautiful yellow coloration and globe quality were maintained the $a^*$value of +5.23, $b^*$value of +39.9 in a red LED. The optimum temperature range and light-emitting diodes (LEDs) on the globe color expression were the most effective the day temperature of 200e and night temperature of $20^{\circ}C$ and a red LED. In addition, the outer globe color quality of Chamecereus silvestrii f. variegata cultivation, rather than the light environment improvement is better in a proper temperature environment to keep. Especially, a unique globe color expression of yellow lines was most effective in a red LED.

본 연구는 4개의 생육상에서 주간온도 $20^{\circ}C$$25^{\circ}C$, 야간온도 5, 10, 15, $20^{\circ}C$의 주 야 온도 조합과 적색LED, 청색LED, 분홍LED(청색LED+적색LED), 백색LED 4종의 발광다이오드(LEDs)를 조사하여 산취(Chamecereus silvestrii f. variegata)선인장 '희망'의 모구 생육 및 발색에 가장 효과적인 재배환경을 찾고자 실시하였다. 주 야 온도처리가 황색 모구의 고유색 발현에 미치는 영향은 명도($L^*$값), 적색도($a^*$값), 황색도($b^*$값)가 모두 유의성이 있으며 특히 주간온도 $20^{\circ}C$와 야간온도 $20^{\circ}C$에서 모구색이 선명한 황색으로 관상가치가 가장 높았고, 주간온도 $25^{\circ}C$$5^{\circ}C$, $10^{\circ}C$ 각각의 야간온도에서 모구색 품질이 저하되는 것으로 나타났다. 발광다이오드(LEDs) 처리는 $a^*$값과 $b^*$값에서 유의적 차이가 있으며 적색LED에서 $a^*$값은 +5.23, $b^*$값은 +39.9로 산취선인장의 고유의 아름다운 황색 발색을 유지하며 구색품질이 가장 좋았다. 따라서 산취선인장의 모구색 발현에 영향을 주는 최적 온도범위와 발광다이오드(LEDs)는 주간온도 $20^{\circ}C$와 야간온도 $20^{\circ}C$이며 단색광인 적색 LED에서 가장 효과적이었다. 또한 산취선인장 재배에서 모구색의 외적 품질 향상은 적정 온도 환경 유지보다는 광질 환경을 개선하는 것이 보다 효율적이며 특히 발광다이오드(LEDs) 적색LED가 황색계통의 고유한 모구색 발현에 효과적인 것으로 나타났다.

Keywords

References

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