Ectopic expression of a rice triketone dioxygenase gene confers mesotrione tolerance in soybean.

ABSTRACT:

Background

Herbicide-resistant weeds pose a challenge to agriculture and food production. New herbicide tolerance traits in crops will provide farmers with more options to effectively manage weeds. Mesotrione, a selective pre- and post-emergent triketone herbicide used in corn production, controls broadleaf and some annual grass weeds via hydroxyphenylpyruvate dioxygenase (HPPD) inhibition. Recently, the rice HIS1 gene, responsible for native tolerance to the selective triketone herbicide benzobicyclon, was identified. Expression of HIS1 also confers a modest level of mesotrione resistance in rice. Here we report the use of the HIS1 gene to develop a mesotrione tolerance trait in soybean.

Results

Conventional soybean is highly sensitive to mesotrione. Ectopic expression of a

SUBMITTER: Dai S 

PROVIDER: S-EPMC9323515 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature