Allelopathic effects of VOCs of Artemisia frigida Willd. on the regeneration of pasture grasses in Inner Mongolia |
| |
| Institution: | 1. School of Forestry and Biotechnology, Zhejiang Agriculture & Forestry University, Lin''an 311300, China;2. College of Agronomy, Inner Mongolia Agricultural University, Huhhot 010019, China;3. College of Life Sciences, Nankai University, Tianjin 300071, China;1. Graduate School of Asian and African Area Studies, Kyoto University, Kyoto 606-8502, Japan;2. Graduate School of Letters, Kyoto University, Kyoto 606-8501, Japan;1. Graduate School of Agricultural Science, Tohoku University, 232-3, Yomogita, Naruko-Onsen, Osaki, Miyagi 989-6711, Japan;2. School of Veterinary Medicine and Biotechnology, Mongolian State University of Agriculture, Ulaanbaatar, Mongolia;1. Université Djilali Bounaama Khemis Miliana, Faculté des Sciences de la Nature et de la Vie & des Sciences de la Terre, Route Theniet El Had, Soufay 44225 Khemis Miliana, Algeria;2. Université d’Oran 1 Ahmed Benbella, Faculté des Sciences de la Nature et de la Vie, Département de Biotechnologie, Route d''aéroport, Oran 31000 Algeria;3. Ecole Nationale Supérieure Agronomique, Département de Productions Végétales, Laboratoire d’Améliorations Intégratives des Productions Agricoles, Rue Hassen Badi, El Harrach 16200, Alger, Algeria;4. Université de Constantine 1, Faculté des Sciences de la Nature et de la Vie. Laboratoire de Génétique, Biochimie et Biotechnologies Végétales, Route de Ain el Bey, Constantine 25000 Algeria;5. Institut de Recherche pour le Développement, UMR Ecologie Fonctionnelle & Biogéochimie des Sols et Agroécosystèmes, INRA-IRD-CIRAD-SupAgro, Place Pierre Viala, 34060 Montpellier, France;6. Institut National de la Recherche Agronomique, UMR Ecologie Fonctionnelle & Biogéochimie des Sols et Agroécosystèmes, INRA-IRD-CIRAD-SupAgro, Place Pierre Viala, 34060 Montpellier, France;1. Dipartimento di Biologia, Università di Firenze, via Madonna del Piano 6, 50019 Sesto Fiorentino, FI, Italy;2. Dipartimento di Scienze delle Produzioni Agroalimentari e dell''Ambiente (DISPAA), Università di Firenze, via della Lastruccia 10, 50019 Sesto Fiorentino, FI, Italy;3. Institute of Microbiology of the ASCR, v.v.i, Videnská 1083, 142 20 Praha 4, Czech Republic;4. Dipartimento di Scienze Biomediche, Sperimentali e Cliniche, Università di Firenze, Viale Morgagni 50, 50134 Florence, Italy;5. Dipartimento di Arboricoltura, Botanica e Patologia Vegetale, Sezione di Patologia Vegetale, Università di Napoli “Federico II”, via Università 100, 80055 Portici, NA, Italy |
| |
| Abstract: | Grassland of Inner Mongolia, the main grassland region of China and part of the Eurasia Steppe that stretches from East China to Hungary, is among the most seriously degraded grasslands in China. Previous studies on causes of grassland degradation in this region focused primarily on anthropogenic activities, such as rapid development, ranching, agricultural activities, and mining for mineral resources. Few studies have examined plant interactions during the processes of grassland degradation. In this study, using the thermal-desorption cold trap/gas chromatography/mass spectrometer technique (TCT/GC/MS) we examined the effects of volatile organic compounds (VOCs) of Artemisia frigida on the seed germination and seedling growth of 4 common grass species, Melitotus suaveolens, Sorghum sudanense, Elymus dahuricus and Agropyron cristatum, in the Inner Mongolian pastures. We found that the major constituents of the VOCs from natural A. frigida were 1,8-cineole, camphene, (E)-3-hexen-1-ol acetate, α-terpineol, β-Terpineol, (R)-(?)-p-Menth-1-en-4-ol, p-cymene, and camphor, whose relative content accounted for 96.0% of the 22 compounds identified for natural A. frigida. The content and amount of these VOCs varied when A. frigida was damaged artificially. The VOCs from A. frigida significantly decreased the seed germination and seedling growth of all the tested plant species. Our finding that artificially damaged plants of A. frigida released different types and amount of VOCs from undamaged ones under laboratory conditions indicate that grazing activity on natural pastures may influence the type and amount of VOCs released from A. frigida. However, more research is needed under field conditions to draw a conclusion if grazing activity has similar impacts on release of VOCs as under laboratory conditions. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
