title: Assessing Drought Responses Using Thermal Infrared Imaging.
abstract: Canopy temperature, a surrogate for stomatal conductance, is shown to be a good indicator of plant water status and a potential tool for phenotyping and irrigation scheduling. Measurement of stomatal conductance and leaf temperature has traditionally been done by using porometers or gas exchange analyzers and fine-wire thermocouples attached to the leaves, which are labor intensive and point measurements. The advent of remote or proximal thermal sensing technologies has provided the potential for scaling up to leaves, plants, and canopies. Thermal cameras with a temperature resolution of <0.1 K now allow one to study the temperature variation within and between plants. This chapter discusses some applications of infrared thermography for assessing drought and other abiotic and biotic stress and outlines some of the main factors that need to be considered when applying this to the study of leaf or canopy temperature whether in controlled environments or in the field.
authors: School of Agriculture, Food and Rural Development Agriculture Building, Newcastle University, Newcastle upon Tyne, UK, NE1 7RU. Ankush.Prashar@newcastle.ac.uk.
authors: Ankush
authors: A
authors: Prashar
authors: Division of Plant Science, University of Dundee at the James Hutton Institute, Invergowrie, Dundee, DD2 5DA, Scotland, UK. h.g.jones@dundee.ac.uk.|School of Plant Biology, University of Western Australia, Crawley, WA, 6009, Australia. h.g.jones@dundee.ac.uk.
authors: Hamlyn G
authors: HG
authors: Jones
mesh_terms: D055864:Droughts; D018515:Plant Leaves / Q000378:metabolism* / Q000502:physiology; D054046:Plant Stomata / Q000378:metabolism / Q000502:physiology; D014867:Water / Q000378:metabolism
chemical_list: D014867:Water
keywords: Drought; Plant stress; Stomatal conductance; Thermal imaging; Water use efficiency