XI WORLD FORESTRY CONGRESS

Antalya, Turkey, 13 to 22 October 1997


VOLUME 3, TOPIC 12


    Comparison of different methods of seed sowing of Oak species for reforestation of western oak Forests in Iran

    Mohammad Fattahi1

    Western oak forests in Iran are situated in a semi-arid climatic region,where water deficit in the growing season is one of the important factors for reforestation of these forests.The object of this research project is the comparison of 4 methods of direct seeding(usual pit, bowl pit, furrow, banquette), with 3 oak Species(Quercus libani,Q.persica,Q. infectoria). The results show that:

    1. There are significant difference between methods and species at 1% level and bowl pit and usual pit , and Quercus libani and Q.persica give the best result .

    2. The average seedling survival was 47.7% at the end of the first growing season which after five years reduced to 22.4% .

    3. Maximum average germination was 71.4% and germination period lasted one and half months after spring rainfall .

    4. Stem/root ratio in the end of periods was from 1/5 to 1/12.

    5. Banquette methods in addition to its high costs has low seedling survival and had most damage by fauna .

    Keywords: direct seeding , oak ( Quercus ),seedling survival ,different methods ,human activity .

    1 Research Institute of Forests and Rangelands of Iran; P.O. Box 13185-116 Tehran, Iran



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