Effect of drought and phenological stage at transplanting on root hydraulic conductivity, growth indices, and photosynthesis of Turkish hazelnut

A single drought episode was applied to two groups of container-grown Corylus colurna L. (Turkish hazelnut) seedlings which had concomitantly reached distinct phenological stages; 1) buds opening and no new root growth visible and 2) shoot extension well underway and new root growth just beginning....

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Bibliographic Details
Published in:Journal of environmental horticulture 1995-03, Vol.13 (1), p.11-14
Main Authors: Harris, J.R. (VPI and SU, Blacksburg, VA.), Bassuk, N.L
Format: Article
Language:English
Subjects:
ADAPTABILITY
ADAPTACION
ADAPTATION
CORYLUS
CORYLUS COLURNA
DROUGHT
DROUGHT STRESS
ESTABLECIMIENTO DE PLANTAS
ESTOMA
ESTRES DE SEQUIA
ETABLISSEMENT DE LA PLANTE
ETAPAS DE DESARROLLO DE LA PLANTA
FENOLOGIA
FISIOLOGIA VEGETAL
FOTOSINTESIS
GROWTH RATE
INDICE DE CRECIMIENTO
PHENOLOGIE
PHENOLOGY
PHOTOSYNTHESE
PHOTOSYNTHESIS
PHYSIOLOGIE VEGETALE
PLANT DEVELOPMENTAL STAGES
PLANT ESTABLISHMENT
PLANT PHYSIOLOGY
PLANTULAS
PLANTULE
RACINE
RAICES
ROOTS
SECHERESSE
SEEDLINGS
SEQUIA
STADE DE DEVELOPPEMENT VEGETAL
STOMATA
STOMATAL RESISTANCE
STOMATE
STRESS DU A LA SECHERESSE
TAUX DE CROISSANCE
TRANSPLANT SHOCK
TURKEY
TURQUIA
TURQUIE
WATER STRESS
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Description
Summary:A single drought episode was applied to two groups of container-grown Corylus colurna L. (Turkish hazelnut) seedlings which had concomitantly reached distinct phenological stages; 1) buds opening and no new root growth visible and 2) shoot extension well underway and new root growth just beginning. Two days after rewetting, root hydraulic conductivity was lower for plants exposed to drought, but there was no phenological stage effect. No differences in root hydraulic conductivity were apparent among well-watered plants of stage 1, 2 and a third stage, 3) shoot extension complete (buds set) and root growth well underway. Twenty five days after return to daily irrigation, those plants subjected to the drying treatment had smaller diameter trunks, but total plant height and dry weight of root-balls were similar. No differences in photosynthetic rate or stomatal conductance were evident 25 days after transplanting.
ISSN:0738-2898
2573-5586
DOI:10.24266/0738-2898-13.1.11