Supplemental mass pollination to increase seed yields in loblolly pine seed orchards

Bridgwater, F.E.; Bramlett, D.L.

Southern Journal of Applied Forestry 6(2): 100-104


DOI: 10.1093/sjaf/6.2.100
Accession: 000994726

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Extra pollen (from a mixture of 4 stored pollens) was applied to (a) a young orchard in Alabama in March 1975 and 1976, 1 and 2 yr after grafting and (b) an orchard in North Carolina in March 1976 and 1977, 19 and 20 yr after planting. Results showed that supplemental mass pollination reduced conelet and ovule abortion in (a) in 1976, increasing potential seed yield by 222%; the response was not significant in 1975. Potential seed yield was unaffected in the mature orchard.