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- Title
Replant problem in Casuarina equisetifolia L.: Isolation and identification of allelochemicals from its roots.
- Authors
Long, F.; Xie, B. B.; Liang, A. J.; Liu, Y.; Lin, Y. M.; Chen, C.; Hong, T.; Hong, W.; Wu, C. Z.; Li, J.
- Abstract
To understand the replant problem in Casuarina equisetifolia L. plantations, we isolated and identified five chemicals [12, 13-dihydromicromeric acid (M-1), betulinic acid (M-2), 3-Ocaffeoyl lupeol (M-3), catechins (M-4) and epicatechin (M-5)] from its roots by electrospray ionization mass spectrometry and ¹H and 13C nuclear magnetic resonance spectroscopy. Bioassays showed that the identified chemicals were inhibitory to C. equisetifolia i.e. its own germination and seedling growth. Among these, 12,13-dihydromicromeric acid was most harmful. These findings suggested that the identified chemicals may be the key allelochemicals in C. equisetifolia replant problem.
- Subjects
NUCLEAR magnetic resonance spectroscopy; ALLELOCHEMICALS; ELECTROSPRAY ionization mass spectrometry; CASUARINA; BETULINIC acid; CATECHIN
- Publication
Allelopathy Journal, 2018, Vol 43, Issue 1, p73
- ISSN
0971-4693
- Publication type
Article
- DOI
10.26651/allelo.j./2018-43-1-1131