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Separate and Combined Effects of Supplemental CO 2 , Gibberellic Acid, and Light on Hop Quality and Yield.
- Source :
- Plants (2223-7747); Jun2024, Vol. 13 Issue 12, p1670, 13p
- Publication Year :
- 2024
-
Abstract
- We investigated the effect of supplemental CO<subscript>2</subscript>, gibberellic acid (GA<subscript>3</subscript>), and light on the quality and yield of Humulus lupulus L. strobili (cones). When applied separately, CO<subscript>2</subscript> and light increased the yield by 22% and 43%, respectively, and had a significant effect on the components of cone mass and quality. Exogenous GA<subscript>3</subscript> increased flower set; however, the yield decreased by approximately 33%. Combining CO<subscript>2</subscript>, GA<subscript>3</subscript>, and light, and any combination thereof, resulted in significant increases in flower set and cone yield enhancement compared to separate applications. A synergistic effect occurred when some factors were combined. For example, the combination of CO<subscript>2</subscript> and light resulted in a yield increase of approximately 122%. The combination of all three resources, CO<subscript>2</subscript>, GA<subscript>3</subscript>, and light, resulted in an approximate 185% yield increase per plant. Thus, in comparison to the addition of one supplementary resource, a greater increase in yield resulted from the combination of two or more supplemental resources. Flower set stimulation due to GA<subscript>3</subscript> decreased cone alpha- and beta-acid quality attributes, unless combined with CO<subscript>2</subscript> and light as additional carbohydrate-generating resources. Additional research is needed to close the hop yield gap between current hop yields and the achievement of the plant's genetic potential. [ABSTRACT FROM AUTHOR]
- Subjects :
- GIBBERELLIC acid
CARBON dioxide
CONES (Botany)
HOPS
PLANT yields
FLOWERS
Subjects
Details
- Language :
- English
- ISSN :
- 22237747
- Volume :
- 13
- Issue :
- 12
- Database :
- Complementary Index
- Journal :
- Plants (2223-7747)
- Publication Type :
- Academic Journal
- Accession number :
- 178195709
- Full Text :
- https://doi.org/10.3390/plants13121670