Morphological and physiological responses of Guazuma ulmifolia Lam. to different pruning dates

Pruning is an important management practice for regulating tree structure and physiology, and the timing of pruning can enhance forage production during dry periods of the year. Experimental pruning was performed on Guazuma ulmifolia trees to explain the morphological and physiological changes that...

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Bibliographic Details
Published in:Agroforestry systems 2019-04, Vol.93 (2), p.461-470
Main Authors: Ortega-Vargas, Eloísa, Burgueño-Ferreira, Juan Andrés, Ávila-Reséndiz, Catarino, Campbell, William Bruce, Jarillo-Rodríguez, Jesús, López-Ortiz, Silvia
Format: Article
Language:English
Subjects:
Agriculture
Biomedical and Life Sciences
Branches
Defoliation
Dry season
Foliage
Forestry
Guazuma ulmifolia
Harvesting
Leaf area
Leaves
Life Sciences
Morphology
Photosynthesis
Physiological responses
Physiology
Pruning
Rainfall
Rainy season
Regrowth
Seasons
Senescence
Trees
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Summary:Pruning is an important management practice for regulating tree structure and physiology, and the timing of pruning can enhance forage production during dry periods of the year. Experimental pruning was performed on Guazuma ulmifolia trees to explain the morphological and physiological changes that occur when they are subjected to programmed defoliation to promote regrowth during the dry season. Three prunings (P-1, P-2 and P-3) were conducted from August to October (rainy season), and four foliage harvesting dates (H-a, H-b, H-c and H-d) occurred from February to April (dry season) over 2 years of evaluation. The trees developed similar numbers of branches from pruning and harvesting (P > 0.05). Differing predefined pruning height resulted in greater tree height in P-3. Trees in P-1 developed shorter (P 
ISSN:0167-4366
1572-9680
DOI:10.1007/s10457-017-0136-z