Evaluation of alternate bearing intensity in Iranian pistachio cultivars
2005
Esmailpour, A.,Pistachio Research Institute, Rafsanjan (Iran)
This project was undertaken in Rafsanjan area in order to determine alternate bearing on 12-year-old pistachio trees for four years. Six trees from each cultivar were selected at a suitable harvest time and fresh and dry yield rates, splitting and blanking percentage, nut size (ounce) and nut/kernel ratio were measured. This experiment was conducted and analysed in a randomised complete block design in 4 replications, and means were compared using the Duncan test. Results showed that different cultivars have different alternate bearing intensity and this was significant in some cultivars. Alternate bearing intensity in 'Ahmad-Aghaii', 'Safid pesteh-Nough' and 'Fandoghi-zodras' cultivars was high and it was low in 'Jandaghi', 'Shahpasand' and 'Italiaii' cultivars. Percentage of blanking nuts was significant in some cultivars and that range varied between 4.9 per cent and 39.1 per cent
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