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Asian Journal of Agricultural Research
  Year: 2017 | Volume: 11 | Issue: 3 | Page No.: 93-97
DOI: 10.3923/ajar.2017.93.97
 
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Determination of Pollen Quality and Production in New Walnut Cultivars

Akide Ozcan, Sakir Burak Bukucu and Mehmet Sutyemez

Abstract:
Background and Objective: Walnut (Juglans regia L.) is a monoecious plant and wind-pollinated. In addition, there is no self and cross-incompatibility in this fruit. The germination rate and viability of pollens and its fertilization ability must be known to select a cultivar as a pollinator. Therefore, this study aimed to determine pollen production, pollen viability and pollination of some walnut cultivars in vitro. Materials and Methods: This study was conducted on four different walnut cultivars, i.e., "DiriliS, 15 Temmuz, MaraS 12 and Bayrak". In the study, pollen viability rate, pollen germination rate, amount of pollen production and normal developed pollen rates were determined. The pollen viability studies with TTC and FDA tests and pollen germination experiments with agar in the petri and Hanging drop methods. Experimental data were analyzed using analysis of variance (one-way ANOVA), by Tukey’s (HSD) test. Results: In this study, generally the germination rate of pollens reached a high level in both germination tests. However, the highest germination rate was obtained from sucrose concentration by 15% in hanging drop test. The pollen viability studies with both tests and pollen germination experiments both methods, the viability values ranged from 87.53% (MaraS 12) and 92.70% (15 Temmuz), germination levels were between 5.18% and 50.14%. Conclusion: As a result of this research, all walnut cultivars were adequate in terms of pollinator potential while Bayrak and 15 Temmuz was highest.
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How to cite this article:

Akide Ozcan, Sakir Burak Bukucu and Mehmet Sutyemez, 2017. Determination of Pollen Quality and Production in New Walnut Cultivars. Asian Journal of Agricultural Research, 11: 93-97.

DOI: 10.3923/ajar.2017.93.97

URL: https://scialert.net/abstract/?doi=ajar.2017.93.97

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