논문 상세보기
pp.397-403
Background: This study was aimed at evaluating the growth, yield, and carbohydrate content in the whole Allium hookeri plant with shading treatment in hot summer. Methods and Results: Different shading rate, including 0 (control), 35 or 55%, was employed from the June 21st to August 31st. Daily average air and soil temperature, which were approximately 2.5℃ and 3.8℃ lower, respectively, were observed with both 35% and 55% treatments in July and August, with no significant difference in daily maximum air temperature. Dry weights were high, approximately 40% and 48% for the shoot and 20% and 12% for the root, with the 35% and 55% treatments, respectively, 8 weeks after shading. Division number was increased by 13% and 19.8% with the 35% and 55% treatments, respectively. The mortality rates of 150 plants were 9.1%, 4.0%, and 1.3% with the 0 (control), 35% and 55% treatments, respectively. At 4 weeks after shading, the highest and lowest sucrose levels in both shoot and root were observed with the 35% and 55% treatments, respectively. At 8 weeks after shading, there was no significant difference in the sucrose content in the shoot among the treatments. Conclusions: The highest plant growth rate and yield with the 55% treatment may be related with the decrease in both air and soil temperatures, resulting in reducted leaf respiration and thus compensate net photosynthesis.
서 언
재료 및 방법
1.실험재료
2. 차광처리
3. 광합성율 조사
4.생육특성 조사
5. 유리당 조사
6.통계분석
결과 및 고찰
1. 차광 처리별 온도감소 효과
2.차광처리에 따른 광합성 특성의 변화
3. 차광처리에 따른 식물생육 특성 비교
4. 차광처리에 따른 지상부, 지하부의 당 함량 변화
REFERENCES
