Detailed Introduction to the Dianxi 4 Rice Variety

Dianxi 4 is a new high-yield, high-quality japonica rice line bred by the Japonica Rice Breeding Center of the Yunnan Academy of Agricultural Sciences, with the cross combination Koshihikari/Hexi 24//Hexi 34. Characteristics: plant height about 90 cm, moderate tillering ability, effective panicles per mu can reach about 280,000, excellent plant type, stiff culms, erect leaves; panicle length 20.3 cm, about 120 grains per panicle, golden husk, good mature color, awnless; 1000-grain weight 25.1 g, non-shattering; cold tolerant, fertilizer tolerant, lodging resistant; highly resistant to rice blast; whole growth period about 174 days. Grain quality trait indicators: appearance quality grade 4, relatively good eating quality; brown rice rate 83.5%, milled rice rate 74.9%, head rice rate 70.8%, grain length 4.7 mm, length-to-width ratio 1.7, chalkiness rate 4%, chalkiness degree 0.2%, transparency grade 2, alkali spreading value 7.0, gel consistency 76 mm, amylose content 18.0%, protein content 10.9%. Yield performance: yield potential can reach 750 kg/mu.