Lianjing 2 (formerly Lian 8671) (Rice)

Breeding unit: agricultural Science Research Institute of Lianyungang City, Jiangsu Province.

Approval: approved by Jiangsu crop Variety approval Committee in 1997 and by the National crop Variety approval Committee in 1999.

Variety approval number: national examination and approval rice 990021.

Variety source: Taiwan rice.

Characteristics: mid-japonica mid-mature conventional rice variety, plant height 105 cm, seedlings erect, stout, narrow leaves, light green leaves, compact plant type, erect, flag leaves short, flat with panicles, main stem 5 Mui 6 nodes, main signature total leaves 15 Mel 16. The ear is neat, the ear is semi-erect, some have short awn, 117 grains per ear, the ear length is 16.17 cm, the seed setting rate is more than 90%, the grain is oval, yellowish, shiny, some have cracks after maturity, and the 1000-grain weight is 27ml 28g. When ripe, the stalk is green and the seed is yellow. Brown rice rate 85.2%, milled rice rate 78.2%, head rice rate 71.9%, chalkiness 6.4%, transparency grade 1, amylose content 148%, protein content 8.7%. The whole growth period is 154kg / 155 days. High yield, large panicle type, resistance to bacterial blight, susceptibility to rice blast, good salt tolerance. From 1994 to 1995, he participated in the regional test of the northern medium japonica medium maturity group, and the average yield per mu was 632.3 kg, 13.7% higher than that of the control variety Sidao 9.

Key points of cultivation: do a good job of chemical treatment before sowing to prevent evil seedling disease. Generally sowing in the first ten days of May, the seedling age is 35-40 days, and the sowing amount per mu does not exceed 30 kg. The planting density is 20000-25000 holes per mu, and there are 4 seed seedlings per hole. Pay attention to the control of rice blast, sheath blight and rice leaf roller and other insect pests.

Suitable scope: planting in the area with light incidence of rice blast in the Huang-Huai River Basin.