Seedling development Taxodium distichum

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bald cypress swamp , spanish moss @ first landing state park in virginia beach, va


after germination, seedlings must grow fast enough keep @ least part of crowns above floodwaters of growing season. bald cypress seedlings can endure partial shading, require overhead light growth. seedlings in swamps reach heights of 20 75 cm (8 29.5 in) first year. growth checked when seedling submerged flooding, , prolonged submergence kills seedling.


in nurseries, taxodium seeds show apparent internal dormancy can overcome various treatments, including cold stratification or submerging in water 60 days. nursery beds sown in spring pretreated seeds or in fall untreated seeds. seedlings reach 75 100 cm (29.5 39.5 in) in height during first (and only) year in nursery. average size of 1-0 nursery-grown seedlings in seed source test including 72 families 81.4 cm (32.0 in) tall , 1.1 cm (0.43 in) in diameter.


control of competing vegetation may necessary year or more bald cypress planted outside of swamps. 5 years after planting on harrowed , bedded, poorly drained site in florida, survival high, heights had increased 30 cm (12 in), because of heavy herbaceous competition. seedlings grown in crawfish pond in louisiana, weed control , soil moisture excellent through june, averaged 2.9 m (9.5 ft) , 3.5 cm (1.4 in) diameter @ breast height (dbh) after 5 years. however, replicate of same sources planted on old soybean field, weed control , soil moisture poor, resulted in same dbh, smaller average seedling height of 2.1 m (6.9 ft). when planted in residential yard , weeded , watered, averaged 3.7 m (12 ft) tall 3 years later.








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