William Macalpine

Scientific Specialist - Agronomy
Sustainable Agriculture Sciences Harpenden
HarpendenKnowledge Exchange Manager
Science Innovation? Engagement and Partnerships
Works With:
+44 (0) 1582 763 133 ext: +44 1582 938018
Rothamsted Research, West Common, Harpenden, Hertfordshire, AL5 2JQ
Peer-reviewed Journals:  

Whittaker, C., Macalpine, W., Yates, N.E., Shield, I. (2016). Dry matter losses and methane emissions during wood chip storage: The impact on full life cycle greenhouse gas savings of short rotation coppice willow for heat. Bioenergy Research. 9: 820–835  doi:10.1007/s12155-016-9728-0

Palomo-Ríos E, Macalpine W, Shield I, Amey J, Karaolu C, West J, Hanley S, Krygier R, Karp A, Jones HD. (2015). Efficient method for rapid multiplication of clean and healthy willow clones via in vitro propagation with broad genotype applicability. Canadian Journal of Forest Research. 45:1-6.

Karp A., Hanley S. J., Trybush S. O., Macalpine W. J., Pei M. and Shield I. F. (2011). Genetic Improvement of Willow for Bioenergy and Biofuels. Journal of Integrative Plant Biology. 53 (2): 151–165.

Karp A., Macalpine W. J. and Shield I. F. (2010). Willow has advanced as an energy crop but is the UK reaping the benefits? Journal of the Royal Agricultural Society of England. 171: 55-61.

Pei M. H., Ruiz C., Shield I. F., Macalpine W. J., Lindegaard K., Bayon C. and Karp A. (2010). Mendelian inheritance of rust resistance in crosses between Salix sachalinensis and S. viminalis to Melampsora larici-epitea. Plant Pathology. 59 (5): 862–872.

Trybush S. O., Jahodová Š, Macalpine W. J. and Karp A. (2008). A genetic study of a Salix germplasm resource reveals new insights into relationships among subgenera, sections and species. Bioenergy Research. 1(1): 67-79.


Conference Proceedings:  

Macalpine, W.J., Shield, I.F., Walsh, L.R.E., Johnston, C., McCracken, A.R., Gilliland, J., Wilson, H., Finnan, J., Power, R., Hartmann, H., Weitz, M., White, R. P., Karp, A. (2014). Rothamsted Research Willow (Salix Spp.) Breeding Programme; Multi-Site Yield Trial Results 2014. In: 22nd European Biomass Conference and Exhibition, Hamburg, Germany. 23-26 June 2014: 116-121. DOI: 10.5071/22ndEUBCE2014-1DO.1.2

Macalpine W. J., Shield I. F., Walsh L. R. E., McCracken A. R., Wilson H., Gilliland J., Hughes A. R., Cunniff J. and Karp A. (2011). Rothamsted Research willow (Salix spp.) breeding programme; multi-site yield trial results 2011. Aspects of Applied Biology 112, Biomass and Energy Crops IV, pp. 263−270.  

Lindegaard K. N., Carter M. M., McCracken A. R., Shield I. F., Macalpine W. J., Hinton-Jones A., Valentine J., Larsson, S. 2011. Comparative trials of elite Swedish and UK biomass willow varieties 2001–2010. Aspects of Applied Biology 112, Biomass and Energy Crops IV, pp. 57–66.

Macalpine W. J., Shield I. F., Karp A., 2010. Seed to near market variety; the BEGIN willow breeding pipeline 2003–2010 and beyond. In Proceedings of the Bioten Conference on Biomass, Bioenergy and Biofuels, 21–23 September 2010, Birmingham, UK, pp. 94–104. Ed. A. V. Bridgewater.

Macalpine W. J., Shield I. F., Trybush S. O., Hayes C., Karp A. 2008. Overcoming barriers to crossing in willow (Salix spp.) breeding. Aspects of Applied Biology 90, Biomass and Energy Crops III, pp. 173-180.

Gezan S. A., Macalpine W. J., Shield I. F., Welham S. 2008. Controlling for competition in neighbouring field plots in a willow (Salix spp.) trial. Aspects of Applied Biology 90, Biomass and Energy Crops III, pp. 181-188.

Shield, I. F., Macalpine, W. J., Karp A. 2008. The effect of the size of the cuttings planted on the subsequent performance of 3 contrasting willow cultivars for short rotation coppice. Aspects of Applied Biology 90, Biomass and Energy Crops III, pp. 225-231.

Shield, I. F., Macalpine, W. J., Hanley, S., Pei, M. and Karp, A. 2007. A willow breeding program for the UK, part of the Biomass for Energy Genetic Improvement Network (BEGIN). International Polar Commission (IPC) WP6 Environmental Applications of Poplar and Willow working party workshop. Montreal, Canada.