Morphological Characterization of Pollen in Some Varieties of Walnut (Juglans regia)

IF 2.4 3区 农林科学 Q2 HORTICULTURE International Journal of Fruit Science Pub Date : 2022-04-05 DOI:10.1080/15538362.2022.2060895
N. Acarsoy Bilgin
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引用次数: 6

Abstract

ABSTRACT In this study carried out to determine the pollen characteristics of walnut, Bilecik, Chandler, Fernette, Fernor, Kaman 1, Pedro, Şebin, and Şen 1 varieties were used as material. As a result of scanning electron microscopy (SEM) examination it was stated that the pollen shapes were oblate spheroidal for all the walnut varieties. The pollen of the varieties exhibited diversity in pollen length (37.54–40.52 µm), width (41.10–45.02 µm), pori diameter (2.45–3.61 µm), distance between pori (11.28–14.41 µm) and spinules (0.54–0.73 µm), pore (16.40–23.00) and spinules (20.50–43.50) number, spinule width (0.18–0.26 µm) and length (0.09–0.28 µm). Results showed that in particular, the Fernor had the largest pore diameter, so their number per unit area was low. In contrast, Bilecik had the smallest pore diameter. Distance between pori of this variety was the least. Therefore, a large number of pori was observed on the surface. In addition, spinules sizes were determined to be larger in Şen 1, but smaller in Chandler variety than the others. In particular, these morphological properties of pollen can be used for identification of different varieties. Also, the pollen shape and exine patterning of the varieties studied were illustrated by SEM images.
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部分核桃品种花粉形态特征研究
摘要本研究以核桃品种Bilecik、Chandler、Fernette、Fernor、Kaman 1、Pedro、Şebin和Şen 1为材料,研究核桃花粉特性。扫描电镜(SEM)分析表明,所有核桃品种的花粉形态均为扁球状。各品种花粉在花粉长(37.54 ~ 40.52µm)、宽(41.10 ~ 45.02µm)、孔直径(2.45 ~ 3.61µm)、孔距(11.28 ~ 14.41µm)与小刺距(0.54 ~ 0.73µm)、孔数(16.40 ~ 23.00)与小刺数(20.50 ~ 43.50)、小刺宽(0.18 ~ 0.26µm)、长(0.09 ~ 0.28µm)等方面均表现出多样性。结果表明,其中弗诺的孔径最大,单位面积上的孔数较少。相比之下,Bilecik的孔径最小。该品种气孔间距最小。因此,在表面观察到大量的孔隙。此外,在Şen 1中确定的小刺大小较大,但钱德勒品种比其他品种小。特别是,花粉的这些形态特征可以用于不同品种的鉴定。此外,还对所研究品种的花粉形态和外壁图案进行了扫描电镜分析。
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来源期刊
International Journal of Fruit Science
International Journal of Fruit Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
6.40
自引率
0.00%
发文量
64
审稿时长
10 weeks
期刊介绍: The International Journal of Fruit Science disseminates results of current research that are immediately applicable to the grower, extension agent, and educator in a useful, legitimate, and scientific format. The focus of the journal is on new technologies and innovative approaches to the management and marketing of all types of fruits. It provides practical and fundamental information necessary for the superior growth and quality of fruit crops. This journal examines fruit growing from a wide range of aspects, including: -genetics and breeding -pruning and training -entomology, plant pathology, and weed science -physiology and cultural practices -marketing and economics -fruit production, harvesting, and postharvest
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