The middle panicle type (MPT) varieties had big brown rice rate and milled rice rate, low contents of amylose and protein, and high eating score.

• 轻穗型品种每穗颖花数少，产量低，稻米碱消值小，蛋白质含量高。总体来看，重穗型品种产量较高，但米质一般；