People

Pritchard, Hugh W.

Job Title Head of Research Section; Heads of Department Science Strategy Group.
Department Seed Conservation
Section Research
Science Teams Large-Scale Syntheses
Monocots III: Orchids
Millennium Seed Bank Project
Joined Kew 1982
Foreign Language(s)

Qualifications & Appointments

BSc (Hons), Biological Sciences, Univ. Leicester, 1978

PhD, Univ. East London (CNAA), 1983

Fellow of the Institute of Biology

Fellow of the Linnean Society

Visiting Professor of Cryobiology, University of Bedfordshire, UK

Visiting Professor of Plant Physiology, Jilin Agricultural University, China

Editor, Annals of Botany (1994-2001), CryoLetters (2000- ), and Seed Science Research (2006- ).

Founding Trustee, International Society for Seed Science (1999–2006)

Vice-chair International Seed Testing Association’s Seed Storage and Forest Tree & Shrub Seed Committees

Orchid Specialist Group IUCN-SSC

Role

Management and funding of research at Wakehurst Place and Kew

Member of Heads of Department Science Strategy Group, head of Research Section and Departmental Student Steering Committee, and leading on two Darwin Initiative Projects. Successful external grants / consultancy: Defra (two totalling >£650K), Darwin Initiative (two totalling >£350K), Denis Curry Charitable Trust (£15K). Regular reviewing (mss and grants) and editing role. Research focusing on ecological correlates of seed desiccation tolerance, mechanisms of seed viability loss and seed germination modeling. Research links to >20 countries and a portfolio of over 100 papers and four books.

Projects

Darwin Initiative Research Exercise on Community Tree Seeds (DIRECTS) in Africa

Do ‘Intermediate’ Seeds Exist? Towards a Mechanistic Understanding of Cold Stress

Does One Seed Collection Represent the Genetic Diversity of a Population? A Seed Harvest Study

Ex situ Conservation of Plant Germplasm from Arid and Semi-Arid Zones of Mexico

Ex Situ Conservation of Recalcitrant Seeds: Towards the Delivery of Target 8 of the GSPC

Frequency of Desiccation Tolerance in Targeted Taxa, including Palms: Ecological Associations and Predictions

Genetic Polymorphisms in Populations of Aesculus hippocastanum across Europe

Germination Micro-Site Perception: the Role of Light Quality and Quantity

In Vitro Conservation of Bottle Palm (Hyophorbe lagenicaulis (L. Bailey) H.E. Moore)

Interactions between Climate and Plant Species Function and Distribution for Recalcitrant Seeded Taxa

Jumping Seed Storage Types: Effect of Developmental Heat Sum at Continental Scales on the Seed Desiccation Tolerance Trait

Legume Seed Collection for the Millennium Seed Bank

Maternal Environment Effects on Seed Germination and Dormancy: Inter-Site and -Season Comparisons

Maximising Longevity in Orchids and other Socio-economically Important, but Potentially Short-lived, Species

Millennium Seed Bank Project China Programme

Oilseeds – Biogeographical Effects on Composition in Relation to Sustainable Use 

Oxidative Stress and Death Phenomena

Programmed Cell Death in Seeds

Reactive Oxygen Species as Markers of Seed Quality

Collecting and Conserving Wild Species from Burkina Faso and Mali and Building Seed Conservation Capacity

Collecting and Conserving Wild Species from Malawi and Building Seed Conservation Capacity

Western Everlasting: A Seed Conservation Collaboration between the WA Dept of Conservation & Land Management, Kings Park & Botanic Gardens, Greening Australia (WA) and the RBG Kew Millennium Seed Bank Project

Seed Responses to Climate Change and Environmental Extremes

Seed Viability and Ageing Defined by Glutathione Redox Potential

Separating Cardinal Temperatures for Seed Dormancy and Germination in Temperate, Sub-Tropical and Tropical Species

Theme: Climate and Reproductive Biology

Theme: Diagnosis of Viability and Germination

Theme: Ecophysiology and Morphology

Theme: Genetics and Chemical Traits

Theme: Post-Harvest Technology

Theme: Preservation Technology

Theme: Science of Ageing

Towards Universally Applicable Seed Viability Stains

Unwelcome Guests? The Seed Biology of Invasive Species

Selected Publications 2001-2005

Black, M. & Pritchard, H.W. (eds) (2002). Desiccation and Survival in Plants: Drying Without Dying. CABI Publishing, Wallingford, UK, 412 pp.

Daws, M.I., Garwood, N.C. & Pritchard, H.W. (2005). Traits of recalcitrant seeds in a semi-deciduous tropical forest in Panama: some ecological implications. Functional Ecology 19: 874-885.

Daws, M.I., Lydall, E., Chmielarz, P., Leprince, O., Matthews, S., Thanos, C.A. & Pritchard, H.W. (2004). Developmental heat sum influences recalcitrant seed traits in Aesculus hippocastanum L. across Europe. New Phytologist 162: 157-166.

Pritchard, H.W., Daws, M.I., Fletcher, B.J., Gaméné, C.S., Msanga, H.P. & Omondi, W. (2004). Ecological correlates of seed desiccation tolerance in tropical African dryland trees. American Journal of Botany 96: 863-870.

Steadman, K.J. & Pritchard, H.W. (2004). Germination of Aesculus hippocastanum seeds following cold-induced dormancy loss can be described in relation to a temperature-dependent reduction in base temperature (Tb) and thermal time. New Phytologist 161: 415-425.

Selected Publications pre-2001

Grout, B.W.W., Shelton, K. & Pritchard, H.W. (1983). Orthodox behaviour of oil palm seed and cryopreservation of the excised embryo for genetic conservation. Annals of Botany 72: 381-384.

Leprince, O., Van Aelst, A.C., Pritchard, H.W. & Murphy, D.J. (1998). Oleosins prevent oil-body coalescence during seed imbibition as suggested by a low-temperature scanning electron microscope study of desiccation-tolerant and –sensitive oilseeds. Planta 204: 109-119.

Pritchard, H.W. (1991). Water potential and embryonic axis viability in recalcitrant seeds of Quercus rubra. Annals of Botany 67: 43-49.

Pritchard, H.W. & Prendergast, F.G. (1986). Effects of desiccation and cryopreservation on the in vitro viability of embryos of the recalcitrant seed species Araucaria hunsteinii K. Schum. Journal of Experimental Botany 37, 1388-1397.

Steadman, K.J., Pritchard, H.W. & Dey, P.M. (1996). Tissue-specific soluble sugars as indicators of seed storage category. Annals of Botany 77, 667-674.