Rice (Oryza sativa L.) is one of the most important world's cereal crops. Nowadays, however, more and more weeds are occurring in rice fields, particularly the conspecific weedy rice (O. sativa f. spontanea). Weedy rice is one of the most notorious weeds found in rice-planting areas all over the world. It commonly causes reduction of rice yield and affects grain quality. Weedy rice is also called red rice, as most weedy rice has red pericarp. Because of the affinity of weedy and cultivated rice, weedy rice ...
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