Direction of pollination affects seed productivity in (shortleaf x loblolly) x lobolly hybrids (1981)La Farge, T., & Hunt, D. L. (1981). Direction of pollination affects seed productivity in (shortleaf x loblolly) x lobolly hybrids. Southeastern Forest Experiment Station, Research Note SE-294. Retrieved from https://www.srs.fs.usda.gov/pubs/rn/rn_se294.pdf In reciprocal crosses between shortleaf X loblolly pine hybrids and loblolly pines, seed production per pollinated flower was higher when the loblolly pine was the mother tree. We therefore recommend that loblolly pines be favored as mother trees in such work, even though storage of pollen for 1 year is required
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