维管束木质部水分运输抑制和细胞解剖结构差异可能导致浆果近端开裂

IF 2.4 3区 农林科学 Q1 Agricultural and Biological Sciences
Chuan Zhang, Liwen Cui, Meng Shen, Vivek Yadav, Haixia Zhong, Fuchun Zhang, Xiaoming Zhou, Xinyu Wu
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引用次数: 0

摘要

葡萄浆果近端经常开裂,这可能与其吸水性和细胞解剖结构有关。为了研究吸水率、细胞解剖结构和浆果近端开裂之间的关系,我们选择了 49 个品种。其中 18 个容易在近端开裂,31 个具有抗性。对成熟浆果进行的离体浸泡实验测量了不同品种浆果开裂程度的差异。体外染色用于追踪吸水率,石蜡切片用于观察和分析不同组织的结构参数。结果表明,易裂浆果的开裂率和吸水率明显高于抗裂浆果。易开裂果实的特点是角质层、表皮和表皮下层较薄。染色后发现,染料吸收仅限于浆果近端。其他细胞大小参数也可能导致近端附近开裂。通过追踪水分运输和分析不同品种细胞结构特征的差异,我们推测维管束木质部水分运输抑制和细胞解剖结构的差异可能导致浆果近端开裂。初步解释了近端浆果开裂的原因,为进一步筛选抗裂品种提供了理论支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Vascular bundle xylem water transport repression and cell anatomical structure differences may lead to berry cracking near the proximal end

Vascular bundle xylem water transport repression and cell anatomical structure differences may lead to berry cracking near the proximal end

Grape berries often crack near the proximal end, which may be related to water absorption and their cellular anatomical structure. To study the relationship between water absorption, cell anatomical structures, and berry cracking near the proximal end, 49 varieties were selected. Eighteen were prone to cracking near the proximal end, while 31 were resistant. An in vitro soaking experiment on ripe berries measured the difference in berry-cracking degrees among different varieties. In vitro staining was used to trace water absorption and paraffin sections were prepared to observe and analyze the structural parameters of different tissues. Results showed that the cracking rate and water uptake of the crack-prone berries were significantly higher than those of the crack-resistant berries. Fruit prone to cracking was characterized by a thinner cuticle, epidermis, and sub-epidermis. After staining, it was found that dye absorption was limited to the berry near the proximal end. Other cell size parameters may also lead to cracking near the proximal end. By tracing water transport and analyzing differences in cell structure characteristics among varieties, we speculated that the vascular bundle xylem water transport repression and differences in cell anatomical structures may have led to berry cracking near the proximal end. The reasons for berry cracking near the proximal end were preliminarily explained, providing theoretical support for further screening of crack-resistant varieties.

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来源期刊
Horticulture Environment and Biotechnology
Horticulture Environment and Biotechnology Agricultural and Biological Sciences-Horticulture
CiteScore
4.30
自引率
4.20%
发文量
0
审稿时长
6 months
期刊介绍: Horticulture, Environment, and Biotechnology (HEB) is the official journal of the Korean Society for Horticultural Science, was launched in 1965 as the "Journal of Korean Society for Horticultural Science". HEB is an international journal, published in English, bimonthly on the last day of even number months, and indexed in Biosys Preview, SCIE, and CABI. The journal is devoted for the publication of original research papers and review articles related to vegetables, fruits, ornamental and herbal plants, and covers all aspects of physiology, molecular biology, biotechnology, protected cultivation, postharvest technology, and research in plants related to environment.
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