Pyrus

BP1 is a common semi dwarfing Pear rootstock 60 - 70% tree size of D6/Calleryana. It produces trees uniform in size with reliable heavy cropping, bearing fruit early. Resistant to collar rot and latent viruses however, susceptible to fireblight. BP1 is suitable for high density planting and warmer regions. However, in this environment may require spur pruning. Best on sandy loam to clay loam soils.