Polyspermy in apomictic Crataegus: yes and no.
Scott
Rod J
RJ
Department of Biology and Biochemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK. bssrjs@bath.ac.uk
D027825:Crataegus / Q000196:embryology / Q000502:physiology*; D005306:Fertilization / Q000502:physiology*; D011003:Ploidies; D012639:Seeds / Q000235:genetics