ISHS Acta Horticulturae 323: Symposium on Soil and Soilless Media under Protected Cultivation in Mild Winter Climates
STRESS PHYSIOLOGY IN THE CONTEXT OF PROTECTED CULTIVATION |
| Authors: | M.A. Hall, A.W. Berry, N.V.J. Harpham, G. Roveda-Hoyos, A.R. Smith, S.O. El-Abd |
| Keywords: | Environmental stress, salinity, peas, Arabidopsis, mutants |
| Abstract:
Although plants produced using protected cultivation techniques grow and develop in a partially controlled environment this is not to say that they are not subject to environmental stress even though conditions can and do differ both qualitatively and quantitatively from those obtaining under natural circumstances. This paper will seek to identify the magnitude and kind of the likely stresses and to assess their probable effects in physiological terms; particular attention will be paid to the problem of salinity. In outlining the physiological effects and developmental consequences of various stresses attention will be drawn to investigations seeking to identify those characteristics which may be amenable to genetic manipulation leading to improved resistance. In particular, the use of mutants to identify hormonal involvement and especially the role of ethylene in stress resistance will be outlined and the relevance to horticultural crops emphasized. | |
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