Study of the success grafting of pear varieties Cocia and Williams and Quince variety Saidawi on the Syrian rootstock Pyrus syriaca Boiss. And development of produced seedlings


Abstract in English

This research was conducted in seedling area belonging to Tishreen University and in the Coast seedling belonging to Agricultural Directorate in Lattakia. Results has shown that, the pear variety Cocia grafted on pear Syrian rootstock was significantly better than pear variety Williams and Quince variety Saidawi grafted on the same rootstock, where the percentage of grafting were 100%, 90% and 66.67% consequently, and in the next year 93.33%, 76.67% and 54.00% consequently. Results has shown a good agreement between a variety Cocia and a used rootstock in comparison with the tow other varieties. The results of analytical calculation has shown that, the variety Cocia was better than the tow other varieties Williams and Saidawi in graft-height, also, Williams variety was better than Saidawi variety, and this confirm that, the Cocia variety in medium growth when it grafted on pear Syrian rootstock, whereas, Williams variety was in poor growth and Saidawi variety was very poor in growth when they were grafted on the same rootstalk especially in the first years of grafting.

References used

ANDERSON, P.C.; LOMBARD, P.B.; WESTWOOD, M.N. Leaf conductance, growth and survival of willow and deciduous fruit tree species under flooded soil conditions. JOURNAL OF THE American Society for Horticultural Science, 109, 1984, 132-138
AWASTHI, R.P. and CHAUHAN, P.S. Apple and Pear. In: 50 years of Crop Science Research ICAR Publication, New Delhi, 1997
DAUGAARD H. and CALLESEN, O. The effect of rootstock on yield and quality of Mutsu apples. Journal of Horticultural Science and Biotechnology, 77, 2002, 248- 251

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