Weed Contamination in Seed Production: Dissemination Pathways and Integrated Prevention Strategies

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Journal of Agriculture
Cilt: 8 Sayı: 2
Weed Contamination in Seed Production: Dissemination Pathways and Integrated Prevention Strategies

Weed Contamination in Seed Production: Dissemination Pathways and Integrated Prevention Strategies

Authors : Elvan Koç, Ramazan Gürbüz

Pages : 212-223

Doi:10.46876/ja.1808995

View : 154 | Download : 244

Publication Date : 2025-12-29

Article Type : Review Paper

Abstract :Weeds reduce crop yield and quality and threaten seed purity by spreading through natural (gravity, wind, water, vegetative/ballistic), animal-mediated (ecto- and endozoosaur-induced), and human-mediated (agricultural machinery, seedlings/saplings and other vegetative materials, infested crop seeds, trade, and transportation). Infestation, which occurs in seed production systems due to inadequate post-harvest cleaning of seed, is the most critical transmission route, as infested seed leads to the transport of weed propagules to clean fields. This review outlines the primary weed spread mechanisms, identifies critical stages in the seed production chain where contamination intensifies, and evaluates preventative management strategies. Preventing contamination is forms the foundation of effective weed management.The most crucial step in this approach is the consistent use of certified, clean seed.Certified seed is material that has undergone field and laboratory testing for genetic, physical, and biological quality. Complementary to this practice, cultural practices such as proper harvest timing, ensuring combine residue and equipment hygiene, reducing spread from feed and fertilizer (clean feed, adequate fermentation), and crop rotation, use of competitive varieties, maintenance of irrigation/drainage systems, and early interventions before seed set are critical. Overall, a prevention-based, integrated strategy to limit weed infestation in seed production not only ensures the preservation of seed quality but also stands out as a strategic imperative that supports long-term agricultural sustainability and food security.
Keywords : Weed seed contamination, Certified seed, Spread pathways, Equipment hygiene, Crop rotation, İntegrated weed management

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