Seed market dynamics and diffusion of new wheat varieties in Bihar, India: a supply-side perspective.

IF 4 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY
Agricultural and Food Economics Pub Date : 2024-01-01 Epub Date: 2024-11-11 DOI:10.1186/s40100-024-00330-w
Hari Krishnan Kala-Satheesh, Drisya Kuriyedath, Jesna Jaleel, E P Nihal Rahman, Archana Raghavan Sathyan, Vijayalaxmi D Khed, A G Adeeth Cariappa, Vijesh V Krishna
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引用次数: 0

Abstract

An examination of the dynamics of seed markets in Bihar, India, reveals a paradox-despite an influx of wheat varieties bred by public and private sectors and the proliferation of seed market networks in rural villages, older wheat varieties remain prevalent-necessitating a thorough investigation of the seed distribution system. Unlike most empirical studies that examine the adoption of new and improved crop varieties from a farmer's perspective, our study shifts the focus to the seed supply side. We analyse data collected from 200 private seed dealers who cater to the needs of over 163,000 farmers spread across 10 districts in Bihar. We use descriptive statistics alongside dealer-level and varietal-level regression models to examine the relationship between seed sales and varietal age. Findings indicate that the number of varieties available with a dealer (varietal richness) is positively associated with the number of seed buyers (dealer's reach) and the total quantity of seeds sold. Private varieties are in demand despite their higher prices. Dealer-level models showed that varietal age affects neither the reach nor the sales, allowing older public-sector varieties to coexist with more recent private-sector ones. However, the varietal-level regression models show that dealers rank the new varieties higher as the ones being sold more. To explore the potential of private seed markets to reduce the proliferation of old wheat varieties that are more susceptible to evolving biotic and abiotic stress factors, we recommend strengthening the varietal registration and seed certification processes, implementing better seed traceability systems, and fostering public-private partnerships in variety development and seed dissemination. Investing in market experiments to incentivize seed dealers to engage in quality assurance can help refine strategies and ensure efficient and inclusive dissemination of promising wheat varieties.

Supplementary information: The online version contains supplementary material available at 10.1186/s40100-024-00330-w.

印度比哈尔邦种子市场动态与小麦新品种的推广:供应方视角。
对印度比哈尔邦种子市场动态的研究揭示了一个悖论--尽管公共和私营部门培育的小麦品种大量涌入,农村种子市场网络也在不断扩大,但老式小麦品种仍然普遍存在,因此有必要对种子分配系统进行深入调查。大多数实证研究都是从农民的角度考察改良作物新品种的采用情况,与此不同,我们的研究将重点转向了种子供应方。我们分析了从 200 家私营种子经销商处收集到的数据,这些经销商满足了比哈尔邦 10 个县超过 16.3 万农民的需求。我们使用描述性统计以及经销商层面和品种层面的回归模型来研究种子销售和品种年龄之间的关系。研究结果表明,经销商的品种数量(品种丰富度)与种子购买者数量(经销商的影响力)和种子销售总量呈正相关。尽管价格较高,但私人品种仍有需求。经销商层面的模型显示,品种年龄既不影响覆盖面,也不影响销售量,这使得较早的公共部门品种与较新的私营部门品种共存。然而,品种层面的回归模型显示,经销商对新品种的排名较高,因为新品种的销量更大。为了挖掘私营种子市场的潜力,减少更易受不断变化的生物和非生物胁迫因素影响的陈旧小麦品种的扩散,我们建议加强品种登记和种子认证程序,实施更好的种子可追溯系统,并在品种开发和种子传播方面促进公私合作。投资市场实验以激励种子经销商参与质量保证,有助于完善战略,确保高效、全面地推广有前景的小麦品种:在线版本包含补充材料,可查阅 10.1186/s40100-024-00330-w。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Agricultural and Food Economics
Agricultural and Food Economics Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)
CiteScore
5.50
自引率
5.10%
发文量
29
审稿时长
13 weeks
期刊介绍: Agricultural and Food Economics (AFE) is an international peer-reviewed and open access journal published on behalf of the Italian Society of Agricultural Economics. AFE welcomes research articles from economists, scholars and researchers from all over the world to publish problem-oriented and high-quality articles. AFE publishes only original articles from a wide variety of economic perspectives that address current and relevant issues related to the agricultural and food system. AFE publishes articles focused on applied analysis, the discussion of innovative results, and relevant policy and managerial implications. AFE seeks clearly written articles from experts in the field, to promote insightful understanding of the current trends in the agri-food system. Topics of specific interest to AFE include agricultural and food market analysis, agri-food firm management and marketing, organization of the agri-food chains, consumer behavior, food quality and safety issues, economics of nutrition and food security, food and health economics, agri-food policy and trade, sustainable rural development, natural and marine resource economics and land economics.
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