auxinnoun [ C ]
uk/ˈɔːk.sɪn/us/ˈɑːk.sɪn/specializeda chemical substance that controls growth in plants
Thesaurus: synonyms and related words
Plant pathology
- blight
- canker
- dry rot
- Dutch elm disease
- etiolated
- excrescence
- fungicide
- herbicide
- insecticide
- node
- organophosphate
- pesticide
- rust
- scab
- sterility
- wither
- worm-eaten
- wormhole