open pollination
Pollination by natural means, so that the pollen parent is unknown (cf. controlled pollination).
This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
Read the preface. Order the book.
Pollination by natural means, so that the pollen parent is unknown (cf. controlled pollination).
This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
Read the preface. Order the book.