豆荚和种皮木质素含量不同的大豆种子在收获前风化变质过程中的品质和化学成分

IF 1.1 4区 农林科学 Q3 AGRONOMY Journal of Seed Science Pub Date : 2022-01-01 DOI:10.1590/2317-1545v44257665
Cristian Rafael Brzezinski, Julia Abati, C. Zucareli, F. C. Krzyzanowski, A. A. Henning, F. A. Henning
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引用次数: 1

摘要

摘要大豆种子对风化劣化的响应取决于遗传物质的内在特征和降雨期的强度和持续时间。本研究旨在评价采前风化变质对豆荚和种皮中木质素含量不同的大豆种子品质和化学成分的影响。通过四氮唑试验、x射线试验、荚果和种皮中木质素含量、萌发、加速老化、出苗、种子健康试验、油脂、蛋白质和叶绿素含量等评价风化损伤率。试验设计采用7×3因子方案,即在95%荚果成熟颜色时,模拟7个品种和3个降雨量(0、54和162 mm)。大豆种子的生理卫生品质随着收获前降雨量的增加而降低。豆荚中木质素含量高的品种的大豆种子对收获前的风化劣化具有更高的耐受性,并提供更好的种子生理品质。一些品种的种子含油量和蛋白质含量随着降雨量的增加而降低。豆荚中木质素含量较高的植株,在收获前降雨的影响下,其种子中真菌菊核孢子的发病率较低,叶绿素含量也较低。
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Quality and chemical composition of soybean seeds with different lignin contents in the pod and seed coat subjected to weathering deterioration in pre-harvest
Abstract: Soybean seeds may show different responses to weathering deterioration depending on the intrinsic characteristics of the genetic material and the intensity and duration of the rainfall period. This study aimed to evaluate the effect of pre-harvest weathering deterioration on the quality and chemical composition of soybean seeds with different lignin contents in the pod and seed coat. The percentage of weathering damage was evaluated by the tetrazolium test, X-ray test, lignin content in the pod and seed coat, germination, accelerated aging, seedling emergence, seed health test, and oil, protein, and chlorophyll contents. The experimental design was completely randomized in a 7×3 factorial scheme, that is, seven cultivars and three rainfall volumes (0, 54, and 162 mm), simulated when 95% of the pods had a mature color. The physiological and sanitary quality of soybean seeds reduces with an increase in pre-harvest rainfall. Soybean seeds from cultivars with higher lignin contents in the pod present a higher tolerance to pre-harvest weathering deterioration and provide seeds of better physiological quality. Seed oil and protein content is reduced in some cultivars as rainfall increases. Plants with higher lignin contents in the pods produce seeds with a lower incidence of the fungus Cercospora kikuchii and lower chlorophyll content when associated with pre-harvest rainfall.
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来源期刊
Journal of Seed Science
Journal of Seed Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.00
自引率
30.00%
发文量
28
审稿时长
12 weeks
期刊介绍: From 2017 the Journal of Seed Science (JSS) will circulate online version only. Original scientific studies and communications, not yet published or submitted to another journal for publication and written in Portuguese or English, will be accepted for publication. For manuscripts submitted in English, the authors should provide an adequated version. The SCIENTIFIC COMMUNICATION is a category of scientific manuscript which describes a technique, an equipment, new species or observations and surveys of limited results. It has the same scientific rigor as the “Scientific Articles” and the same value as a publication. The classification of a manuscript as a SCIENTIFIC COMMUNICATION is based on its content and scientific merit but it can be a preliminary study, simple and not definitive on a certain subject, with publication justified by its uniqueness and contribution to the area. The Editorial Board of the JSS may invite leading authors of recognized reputation to compose specific Review Articles covering topics of their specialization that will convey to the scientific community the state-of-the-art knowledge related to the specific theme.
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