Yunnan No. 4 (Rice)

Yunnan Line 4 is a new japonica rice line with high yield and high quality bred by the Japonica Rice breeding Center of Yunnan Academy of Agricultural Sciences. The combination is Yueguang / Hexi 24 / / Hexi 34. Characteristics: the plant height is about 90 cm, the tillering ability is medium, the effective ear per mu can reach about 280000 ears, the plant shape is good, the stalk is hard, the leaves are erect; the ear length is 20.3cm, the number of grains per panicle is about 120grains, the hull is golden, ripe color is good, awnless; the 1000-grain weight is 25.1 grams, not shedding grains; cold resistance, fertilizer resistance, lodging resistance; high resistance to rice blast; the whole growth period is about 174days. Rice quality traits: appearance quality grade 4, taste quality good; brown rice rate 83.5%, milled rice rate 74.9%, head rice rate 70.8%, grain length 4.7mm, aspect ratio 1.7, chalkiness rate 4%, chalkiness 0.2%, transparency grade 2, alkali elimination value grade 7.0, gel consistency 76mm, amylose content 18.0%, protein content 10.9%. Yield performance: the yield potential can reach 750 kg / mu.