Oregon State University. Extension Service; Stebbins, Robert L.; Mellenthin, Walter M., 1920-; Lombard, P. B. (Porter B.) ([Corvallis, Or.] : Oregon State University, Extension Service, 1981-06-01)
Why be concerned about
pollination? While most
varieties of pear will set
some fruit without cross pollination,
usually they will set more and better
fruit with it. Cross pollination means
the transfer of pollen fr ...