Table 1 Several herbicides used in paddy in China.

From: A five-year examination into the occurrence of herbicide-resistant barnyardgrass populations in paddy from Jiangsu Province, China

Herbicide

Mode of action

Chemical subgroup

Application method

First registration in China

Bispyribac-sodium

ALS

Pyrimidinylthiobenzoates

Stem and leaf

2004

Penoxsulam

ALS

Triazolopyrimidines

Stem and leaf

2004

Metamifop

ACCase

Aryloxy phenoxy propionate

Stem and leaf

2010

Cyhalofop-butyl

ACCase

Aryloxy phenoxy propionate

Stem and leaf

1998

Quinclorac

Synthetic hormones

Quinoline carboxylic acids

Stem and leaf

1993

Florpyrauxifen-benzyl

Synthetic hormones

Pyridine carboxylic acids

Stem and leaf

2017

Pretilachlor

Cell division inhibitor

Chloramides

Soil

1992