FIELD: agriculture.
SUBSTANCE: method involves determining pest population by number of grown-up insects on glue traps located on sea buckthorn sample; evaluating yield losses from formula: Y=0.45 x - 0.1496, where Y are yield losses, %; X is number of grown-up sea buckthorn flies found on glue traps, pcs.
EFFECT: reduced labor intensity, provision for revealing and using of more stable plant forms in future selection works.
5 tbl
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0 |
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Authors
Dates
2007-04-20—Published
2005-01-11—Filed