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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 654436 | 21605-16 | Amaranthus hybridus L. | Illinois, United States | NC7 |  | Not Available | 2008 | DEVELOPED | PRE 2005 | | | | | Genetic material | Exhibits an alanine by threonine amino acid substitution at position 122 of Acetolactate synthase (ALS) as the basis for imidazolinone-specific resistance in an A. hybridus population from Illinois. In vitro inhibition of enzymatic activity (I50) required 1000-fold greater concentration of imazethapyr in the resistant population compared with a susceptible control. This mutation represents the second ALS alteration associated with herbicide resistance in a natural A. hybridus population. Originally collected from a soybean field in Edgar County, Illinois. | 1752336 | PI 654436 |