ISHS Acta Horticulturae 705: V International Walnut Symposium
INTRODUCING AN INNOVATIVE PROCEDURE FOR LARGE COMMERCIAL SEED LOTS STRATIFICATION IN PERSIAN WALNUT |
| Authors: | K. Vahdati, S.H. Hoseini |
| Keywords: | walnut, Juglans regia, seed, stratification |
| Abstract:
Seeds, which were collected from a Persian walnut (Juglans regia L.) tree, were stratified by the following methods in mid-January; (1) Direct planting of seeds in the nursery, (2) Outdoor stratification of seeds in moist sand, (3) 24-h dip in water followed by outdoor stratification of seeds in sand and (4) Two-weeks dip in water (with three times replacing of water). Germination rate of seeds by these methods was 80, 85, 88 and 95%, respectively. Although all the used methods led to high germination rate but last method which considered as an innovated procedure was more convenient in commercial level. Moreover, seeds germinated 20 days earlier and seedlings had stronger growth in late season using this method. Advantages and disadvantages of each method will be discussed in this article. | |
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