Rice appearance quality trait is mainly referred to grain length (GL), grain width (GW), ratio of length and width (L/W), chalkiness (CH), degree of white core (DWC), milling rice (MR) and transparence (TR).

• 稻米的外观品质性状主要包括粒长、粒宽、长宽比、垩白率、垩白度、整精米率和透明度等。