Foliage removal influences sweetpotato biomass yields in hydroponic culture

Greenhouse studies were conducted to determine the effect of harvesting sweetpotato [Ipomoea batatas L. (Lam.)] foliage tips (terminal 15 cm ) on storage root yield, edible biomass index (EBI), and linear growth rate. Plants were grown hydroponically from 15-cm vine cuttings planted in 0.15 X 0.15 X...

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Bibliographic Details
Published inHortScience Vol. 30; no. 5; pp. 1000 - 1002
Main Authors David, P.P. (Tuskegee University, Tuskegee, AL.), Trotman, A.A, Mortley, D.G, Bonsi, C.K, Loretan, P.A, Hill, W.A
Format Journal Article Conference Proceeding
LanguageEnglish
Published Alexandria, VA American Society for Horticultural Science 01.08.1995
Subjects
Agronomy. Soil science and plant productions
Biological and medical sciences
BIOMASA
BIOMASSE
BOUTURE
COSECHA
Cropping systems. Cultivation. Soil tillage
CULTIVO HIDROPONICO
CULTIVO SIN TIERRA
CULTURE HYDROPONIQUE
CULTURE SANS SOL
EFECTOS SECUNDARIOS
EFFET SECONDAIRE
ESQUEJES
FEUILLE
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
HOJAS
INDICE DE CRECIMIENTO
IPOMOEA BATATAS
RACINE
RAICES
RECOLTE
RENDEMENT DES CULTURES
RENDIMIENTO DE CULTIVOS
TAUX DE CROISSANCE
Tending. Growth control
Tillage. Tending. Growth control
Cultural practice
Root
Soilless study
Nutrient solution
Biomass
Experimental study
Convolvulaceae
Dicotyledones
Hydroponic cultivation
Angiospermae
Foliage
Pruning
Spermatophyta
Chemical composition
Yield
Tuber plant
Ipomoea batatas
Greenhouse study
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Summary:Greenhouse studies were conducted to determine the effect of harvesting sweetpotato [Ipomoea batatas L. (Lam.)] foliage tips (terminal 15 cm ) on storage root yield, edible biomass index (EBI), and linear growth rate. Plants were grown hydroponically from 15-cm vine cuttings planted in 0.15 X 0.15 X 1.2-m growth channels using a recirculating nutrient film technique system. Nutrients were supplied from a modified half-strength Hoagland solution with a 1 N:2.4 K ratio. Foliage tips were removed at 14-day intervals beginning 42 days after transplanting. Final harvest was at 120 days after planting. At the end of the growing season, harvested foliage tips totaled 225 g/plant (fresh mass). Foliage removal significantly reduced storage root yield, shoot biomass, and linear growth rate expressed on a canopy cover basis. The EBI was higher for plants with foliage removed than for the control
Bibliography:9747079
F01
ISSN:0018-5345
2327-9834
DOI:10.21273/hortsci.30.5.1000