埃塞俄比亚西北部不同来源面包小麦种子质量评价

IF 1.8 Q2 AGRICULTURE, MULTIDISCIPLINARY Open Agriculture Pub Date : 2023-01-01 DOI:10.1515/opag-2022-0190
Yekoye Abebaw Yitayew, Dawit Tsegaye Sisay, Dereje Ayalew
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引用次数: 0

摘要

农民获取的种子来源不同,质量标准也不同。与种子质量有关的种子系统(来源)评价研究很少。本研究旨在评估通过埃塞俄比亚西北部阿姆哈拉地区Baso Liben地区现有种子来源(正式和非正式种子来源)获得的面包小麦种子的不同种子品质(物理纯度、生理品质和种子健康)。此外,本研究还评估了农民在种子生产和管理方面的经验。通过半结构化问卷从108名受访者中收集数据,并通过焦点小组讨论从农民和当地专家中收集数据。从58名农民(30名农民从非正式系统采购种子,28名农民从正式系统采购种子)收集种子样本进行实验室检测。使用SPSS v23.0软件对数据进行描述性统计和t检验(两两比较)。结果表明,约32.4%的受访者在与公共种子企业的合同种子生产安排下有优质面包小麦种子生产经验。结果还显示,正规和非正规种子来源在各种种子质量参数上存在显著差异。正规渠道获得的种子比非正规渠道获得的种子具有更好的物理纯度、生理品质和1000粒重。从非正式来源收集的种子样品高度感染了黄曲霉、黑曲霉、毛菌和镰刀菌,而从正式种子来源收集的种子样品感染了Alternata spp和青霉菌spp.种子质量是从正式和非正式来源获取的种子的主要问题。因此,包括国家和地区种子监管机构、政府组织、研究机构和种子生产商/公司在内的各利益相关者的种子质量控制机制应在种子价值链的每个阶段得到高度重视。
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Assessment of bread wheat (Triticum aestivum L.) seed quality accessed through different seed sources in northwest Ethiopia
Abstract Farmers are accessing seeds from different sources with different quality standards. Studies on the assessment of seed systems (sources) in relation to seed quality are scarce. This study was carried out to assess the different seed qualities (physical purity, physiological quality, and seed health) of bread wheat seed accessed through the existing seed sources (formal and informal seed sources) in Baso Liben district of the Amhara region, northwest Ethiopia. In addition, this study assessed the experience of farmers in seed production and management. Data were collected from 108 respondents using a semi-structured questionnaire and from farmers and local experts using focus group discussions. Seed samples were collected from 58 farmers (30 farmers who sourced seed from the informal system and 28 from the formal system) for laboratory testing. Data were analyzed using descriptive statistics and t -test (pairwise comparison) using SPSS v23.0. Results showed that about 32.4% of the respondents have experience in quality bread wheat seed production under contractual seed production arrangements with public seed enterprises. Results also revealed significant differences between formal and informal seed sources for various seed quality parameters. Seeds accessed from the formal sources have better physical purity, physiological quality, and 1,000 seed weight than seeds accessed from informal sources. Seed samples collected from the informal source were highly infected with Aspergillus flavus , Aspergillus niger , Chaetomium spp., and Fusarium spp., and seeds from the formal seed source were infected with Alternata spp. and Penicillium spp. Seed quality is a major concern for the seeds accessed from both formal and informal sources. Therefore, the seed quality control mechanisms of various stakeholders, including national and regional seed regulatory bodies, government organizations, research institutes, and seed producers/companies, should be given much attention at each stage of the seed value chain.
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来源期刊
Open Agriculture
Open Agriculture AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
3.80
自引率
4.30%
发文量
61
审稿时长
9 weeks
期刊介绍: Open Agriculture is an open access journal that publishes original articles reflecting the latest achievements on agro-ecology, soil science, plant science, horticulture, forestry, wood technology, zootechnics and veterinary medicine, entomology, aquaculture, hydrology, food science, agricultural economics, agricultural engineering, climate-based agriculture, amelioration, social sciences in agriculuture, smart farming technologies, farm management.
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