Carya illinoinensis
Pecan
Carya illinoinensis, pecan, is a large deciduous tree recognized by its yellow-green foliage and large delicious nut. Its natural habitat is located in deep bottomland soils and calls for sun and moderate water. It is also drought tolerant and has a multitrunked, spreading form.
Resistant to oak root fungus. Do not plant in saline soil. Resistant to Armillaria. Susceptible to Aphids, Beetle Borers, Beetle Grubs and Caterpillars, Chlorosis, Mistletoe, Phytophthora, Root Rot, Sooty Mold and Verticillium. Sheds twigs, leaves, and fruit.
Good potential utility as an urban tree based on evaluation of 3 trees, healthy crown, 100% survival, slow growth rate. Signs of herbivory found on one individual. These trees grow slower in the nursery than others.
We had good germination with 90 day cold stratification in moist peat, perlite and vermiculite, in a plastic bag in refrigerator then sown in greenhouse. Seedlings are moderatly fast growing.