Jinzhu No.1 (Rice)

Breeding unit: Rice Research Institute of Tianjin Academy of Agricultural Sciences.

Approval: approved by Tianjin crop Variety approval Committee in 1990, Beijing crop Variety approval Committee in 1993, and approved by the National crop Variety approval Committee in 1995.

Variety registration number: GS01008-1994.

Variety source: red Flag 25A/H-5//IR54///81-342.

Characteristics: mid-maturing japonica rice varieties. The seedling stage grows luxuriantly, the root system is developed, the plant height is about 100 cm, the stem is hard, the total leaf number of the main stem is 15, the flag leaf angle is small, the ear size is scattered, some have short top awn, the panicle rate is 85.6%, the average spike rate is 108 grains per panicle, the seed setting rate is 96%, the 1000-grain weight is about 26 grams, the brown rice rate is 83.8%, the milled rice rate is 77.0%, the head rice rate is 67.5%, the alkali elimination value is 6.9, the gel consistency is 81 mm, and the amylose content is 19.2%. The protein content is 9.3%. The whole growth period is 145 days, which has the characteristics of good rice quality, high yield and medium resistance to rice blast.

Cultivation points: seed treatment before sowing, prevention and control of evil seedling disease and dry tip nematode disease. Sparse sowing and strong seedling, sparse planting, sufficient base fertilizer, nitrogen, phosphorus and potassium. Strive for 220,000-260 million effective panicles per mu, fall on the roasted field when the total number of stems per mu reaches 350000, control ineffective tillering, and intermittent irrigation should be carried out after heading.

Suitable scope: Tianjin, Beijing, Hebei and other places as wheat stubble rice or late rice, northern Shaanxi, southern Liaoning as single cropping rice.