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re: Eastern White Pine in south Louisiana
Posted on 1/29/24 at 10:10 am to White Bear
Posted on 1/29/24 at 10:10 am to White Bear
Seed Production and Dissemination- Second-year cones mature during September and October and seeds are disseminated during November. When ripe, cones are green and have a specific gravity of 0.88. Test results show seeds are mature and germinable when the cones float in SAE 20-weight motor oil. Filled seeds sink in absolute ethanol, and empty or partially filled seeds float. Cleaned seeds are small, ranging from 88,180 to 114,640/kg (40,000 to 52,000/lb) and average 101,410/kg (46,000/lb). Seeds at a moisture content of between 5 and 10 percent have been stored for as long as 10 years at -17.8° to -15.0° C (0° to 5° F) and remained viable (16).
Seedling Development- Seeds are not highly viable if the trees are isolated and poorly pollinated. Stratification improves seed germination (11). Sixty percent germination can usually be attained after only 7 days of stratification at 4° C (39° F) (3); however, the recommended cold stratification regime is 0.6° to 5.0° C (33° to 41° F) for 28 days (16).
Seedling Development- Seeds are not highly viable if the trees are isolated and poorly pollinated. Stratification improves seed germination (11). Sixty percent germination can usually be attained after only 7 days of stratification at 4° C (39° F) (3); however, the recommended cold stratification regime is 0.6° to 5.0° C (33° to 41° F) for 28 days (16).
Posted on 3/6/24 at 6:54 pm to CajunTiger78
Planted 2 saplings, we shall see what happens. The first was pretty dried out. I planted them in dappled shade areas.
This post was edited on 3/6/24 at 6:55 pm
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