AI Article Synopsis
- Orobanche aegyptiaca, a harmful weed, significantly damages agriculture and poses economic threats, prompting research into control methods.
- The study tested three lily cultivars for their ability to induce germination of O. aegyptiaca seeds, finding that parts like bulbs and leaf scales were particularly effective in triggering 'suicidal germination.'
- Results suggest that lilies could serve as trap crops or be processed into natural herbicides, providing an innovative approach to manage this parasitic weed in farming.
Article Abstract
As a devastating holoparasitic weed, Orobanche aegyptiaca Persoon. (Egyptian broomrape) causes serious damage to agricultural production and threatens economic development, which has raised widespread concern. The present study was conducted to determine whether lilies have the potential to be used as 'trap crops' for controlling O. aegyptiaca Persoon. In the experiments, the ability of three popular lily cultivars (Lilium Oriental hybrids 'Sorbonne', Lilium LA (Longiflorum hybrids x Asiatic hybrids) hybrids 'Ceb Dazzle', and Lilium Longiflorum hybrids (L. formosanum x L. longiflorum) 'L. formolongo') to induce O. aegyptiaca Persoon. seed germination was assessed. Parts of the three lily cultivars, including the rhizosphere soil and underground and above-ground organs, all induced "suicidal germination" of parasitic O. aegyptiaca Persoon. seed at four growth stages. Specifically, Sorbonne and Ceb Dazzle behaved with similar allelopathy, and the bulb, scale leaf and aerial stem exhibited stronger allelopathic effects on O. aegyptiaca Pers. germination compared to other organs. Aqueous L. formolongo leaf extracts may contain more stable, effective stimulants given that they induced the highest germination rate at 76.7% even though the extracts were serially diluted. We speculate that these organs may be advantageous in further isolating and purifying economical active substances that can be substitutes for GR24. These results indicate that lilies have the potential to be used as a trap crops or can be processed into green herbicide formulations that can be applied in agriculture production to rapidly deplete the seed bank of O. aegyptiaca Persoon. parasitic weeds in soil.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4643976 | PMC |
| http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0142811 | PLOS |
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