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Population Genetics of Forest Trees: Proceedings of the International Symposium on Population Genetics of Forest Trees Corvallis, Oregon, U.S.A., July 31-August 2,1990
第 42 本图书
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Effects of Water Suspension and Wet-dry Cycling on Fertility of Douglas-fir Pollen
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Vacuum Collection of Douglas-fir Pollen for Supplemental Mass Pollinations
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Bark Scoring Problem Grafts in Five Douglas-fir Seed Orchards: a Case History
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Effects of Leader Topping and Branch Pruning on Efficiency of Douglas-fir Cone Harvesting with a Tree Shaker
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Selection and Propagation of Highly Graft-compatible Douglas-fir Rootstocks, a Case History
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Graft Incompatibility in Pinus Contorta
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Effect of Month of Grafting on Douglas-fir Graft Compatibility
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Interstock Trials with Grafted Coastal Douglas-fir
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Tree shaking machine aids cone collection in a Douglas-fir seed orchard
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Improved laboratory methods for testing graft compatibility in Douglas-fir
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