Susceptibility of Various Crop and Weed Species to AAL-Toxin, a Natural Herbicide
- 1 March 1995
- journal article
- research article
- Published by Cambridge University Press (CUP) in Weed Technology
- Vol. 9 (1) , 125-130
- https://doi.org/10.1017/s0890037x0002306x
Abstract
AAL-toxin, produced byAlternaria alternata, was investigated for its phytotoxic effects on 86 crop and weed species. On susceptible tomato leaf discs, AAL-toxin caused electrolyte leakage and chlorosis at 0.01 μM in 24 h. Plants tested exhibited a range of response. AAL-toxin damaged sensitive plants at 5 μM while other plants showed minimal damage at > 1000 μM. Cotton and the important weeds, Canada thistle, field bindweed, and velvetleaf were largely unaffected. Monocots tested were largely immune.Keywords
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