TY  - EJOU
AU  - Han, Gyung Deok 
AU  - Jung, Dae Ho 
AU  - Heo, Seong 
AU  - Chung, Yong Suk 

TI  - SPAD Value Difference between Blueberry Cultivar ‘STAR’ by Planted Ground and Pot
T2  - Phyton-International Journal of Experimental Botany

PY  - 2022
VL  - 91
IS  - 11
SN  - 1851-5657

AB  - In the smart farm, we can control every detail for production. Collecting every factor that affects the crop’s final yield is necessary to optimize its efficiency. The SPAD values were observed in the ‘Star’ cultivar blueberry (<i>Vaccinium darrowii</i>) three times a day and at three different plant heights. The pattern of SPAD value change was different by the planting position. Ground planted blueberry (<i>V. darrowii</i>) represented a stable SPAD value during the day and at the different heights. However, the SPAD value was increased by time in pot-planted blueberry (<i>V. darrowii</i>). Also, the SPAD value of pot-planted blueberry was lower than ground planted blueberry (<i>V. darrowii</i>). Even when plants were of the same cultivar and age, planting conditions affected the changing pattern of SPAD in a day. Each planting condition had merit. Therefore, proper management is needed to compensate SPAD value in pot-planted blueberry (<i>V. darrowii</i>). This study suggests that environmental conditions like planting factors affect the final products. Therefore, to maximize the efficiency at the smart farm, the factors that could affect the final yield should be investigated and accumulated.
KW  - Cultivation; chlorophyll; fruit; greenhouse; light; smart farm

DO  - 10.32604/phyton.2022.022866