Investigations on Male Flower Structures of Some Chestnuts
2022
Muftuoglu, Basak | Mert, Cevriye
In this study, male flower structures of a total of 19 chestnut cultivar/genotypes, including 17 chestnuts (Castanea sativa Mill.) cultivar/genotypes, which stand out with their selection studies and two hybrid cultivars (Castanea sativa × Castanea crenata), whose cultivation is widespread in our country, were examined and the stamen type was determined. According to our study five chestnut cultivar/genotypes were astamine, one was brachistamine, four of them were mezostamine and nine of them were longistamine. Depending on cultivar/genotypes the average length of the male catkins ranged from 6.41 cm to 20.06 cm, the mean number of cluster per catkin varied from 61.85 to 154.35, the average number of male flowers per cluster ranged from 3.21 to 8.68 and the mean number of stamens per flower varied between 7.36 to 11.61. It was also determined that normal anther and pollen occur in cultivar/genotypes with stamen structure and the average anther length varied between 366.03 and 732.60 µm and anther width between 365.59 and 609.11 µm. The average pollen length varied between 13.14 µm and 21.38 µm and width varied between 10.23 µm and 12.55 µm depending on the cultivar/genotypes. Furthermore 2 different pollen shapes were determined as prolate and subprolate.
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Cette notice bibliographique a été fournie par Ministry of Agriculture and Forestry, Department of Training and Publication, National AGRIS Center (Turkey)
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