Volume 11, Issue 41 (fall 2007)
jwss 2007, 11(41): 131-140 |
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F. Kamiab, A. Vesvaei, A. Ebadiand, B. Panahi. Determination and Evaluation of the Flowering Time, Pollen Quantity and Quality in The Some Male Genotypes of Pistachio (Pistacia vera L.). jwss 2007; 11 (41) :131-140
URL: http://jstnar.iut.ac.ir/article-1-732-en.html
URL: http://jstnar.iut.ac.ir/article-1-732-en.html
Abstract: (20075 Views)
This research was conducted in order to select male genotypes of pistachio with good performance. The study was performed on 10 genotypes in regard to their flowering time, pollen quantity and quality. The results indicated that flowering times of P1, P2 genotypes were simultaneous with Kallehghochi P3, P4, P5 genotypes with Ahmad Aghaii P6 and P7 genotypes with Ohadi and P8, P9, P10 genotypes with Akbari. Inflorescence weight showed big differences between them, ranging from 4.5gr for P6 to 1.66gr for P8. The amount of pollen per inflorescence also showed big difference, ranging from 71mg for P2 and 267mg for P5. In order to determine the percentage of pollen germination, a medium consisting of sucrose, agar and boric acid was used. The percentage of pollen germination also showed big difference, ranging from 30%for P3 and P4 and 85% for P10. Stored pollen at 4°C temperature showed 30% germination after one month and 0% germination after three months. The results also indicated that the percentage of pollen germination in culture medium without boric acid was lower, compared with other treatments. The viability of pollens collected from cutting inflorescences kept in water bottle was higher than that obtained from dried inflorescences maintained in room condition.
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