促进品种间和品种内多样性及作物种群进化的政策层面

IF 1.6 3区 农林科学 Q2 AGRONOMY
Bal Krishna Joshi, Shree Prasad Neupane, Devendra Gauchan, Ajaya Karkee, Dipendra Kumar Ayer, Dejene Kassahun Mengistu
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引用次数: 0

摘要

在正规种子系统中,广泛遗传基础的栽培品种的价值往往被低估,该系统主要强调统一、单一基因型的品种,以确保粮食安全。为了深入了解农民品种、混合栽培品种和进化种群的意义,我们采用了一种综合方法,包括调查、焦点小组讨论、访谈、实地观察和文献综述。目前种子系统和品种处理方面的法律框架主要服务于种子公司、育种者和推广官员的利益,对农民的需求和偏好考虑有限。这导致以遗传变异大为特点的农民品种以及混合栽培品种和进化种群在政策框架内得到的支持有限。这些遗传基础广泛的栽培品种经过农民世世代代的培育和保存,表现出对各种环境条件的适应能力。正规种子系统的地位日益突出,使农民与其农业遗产的一个重要方面分离开来。目前,该系统由政府部门和私营种子公司管理,农民必须出资才能参与种子系统。为了鼓励种植具有大量遗传多样性的特定地点品种,有必要通过一个涵盖所有农产品(而不仅仅是种子)的法律框架来推广这些品种,无论其是否注册。这种框架承认农民独立维护和培育种子的能力,有助于保护遗传多样性和可持续农业。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Policy dimension for promoting inter and intra-varietal diversity and evolutionary crop populations

Policy dimension for promoting inter and intra-varietal diversity and evolutionary crop populations

The value of broad genetic base cultivars is often underestimated in the formal seed system, which primarily emphasizes uniform, monogenotyped varieties to ensure food security. To gather insights on the significance of farmer’s varieties, cultivar mixtures, and evolutionary populations, a comprehensive approach involving surveys, focus group discussions, interviews, field observation and literature reviews was undertaken. Current legal frameworks in seed systems and variety handling predominantly serve the interests of seed companies, breeders, and extension officials, with limited consideration for the needs and preferences of farmers. This results in farmer’s varieties, characterized by their high genetic variation, as well as cultivar mixtures and evolutionary populations, receiving limited support within the policy framework. These broad genetic base cultivars have been cultivated and preserved by farmers for generations and exhibit resilience to diverse environmental conditions. The formal seed system, which has gained prominence, has separated farmers from a crucial aspect of their agricultural heritage. It is now managed by government offices and private seed companies, necessitating financial contributions from farmers to participate in the seed system. To encourage the cultivation of site-specific varieties with substantial genetic diversity, there is a need to promote these varieties, whether registered or unregistered, through a legal framework that encompasses all agricultural produces, not solely seeds. Such a framework acknowledges the capacity of farmers to independently maintain and cultivate their seeds, contributing to the preservation of genetic diversity and sustainable agriculture.

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来源期刊
Euphytica
Euphytica 农林科学-农艺学
CiteScore
3.80
自引率
5.30%
发文量
157
审稿时长
4.5 months
期刊介绍: Euphytica is an international journal on theoretical and applied aspects of plant breeding. It publishes critical reviews and papers on the results of original research related to plant breeding. The integration of modern and traditional plant breeding is a growing field of research using transgenic crop plants and/or marker assisted breeding in combination with traditional breeding tools. The content should cover the interests of researchers directly or indirectly involved in plant breeding, at universities, breeding institutes, seed industries, plant biotech companies and industries using plant raw materials, and promote stability, adaptability and sustainability in agriculture and agro-industries.
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