Danjing 8 (upland rice)

1 Source of variety: Danjing 8 was crossbred and bred by Dandong Academy of Agricultural Sciences of Liaoning Province in 1987. It was examined and approved by Liaoning Variety approval Committee in 1999.

2 characteristics: the days from seedling emergence to maturity are about 130 days, the accumulated active temperature is 2720 ℃, the plant height is above and below 95cm, the stem is stout, the leaf color is thick green, the leaf is short, the plant type is compact, the tillering ability is strong, the root system is developed, and the living stem is mature. The number of effective panicles is about 230000 ears / 667m2, semi-tight panicle type, spike length 15.7cm, dense code, average grain number per spike 90.3 grains, seed setting rate 95%, 1000-grain weight 25g. The glume is yellow and white, the grain is oval, awnless. Drought tolerance and blast resistance were strong, and rice false smut occurred when fertilizing too much in the later stage.

3 yield performance: the average yield of upland rice production test in Liaoning Province from 1997 to 1998 was 425.9kg/667 square meters, which was 24.4% higher than that of the control varieties. This variety has great potential to increase production, and the general yield is about 400kg/667 square meters.

4 main points of cultivation: select low-lying land, intermountain infiltration fields or dry or paddy fields with good water and fertility conservation, moderate softness and PH value below 7.5 under certain irrigation conditions. It requires a high standard of soil preparation quality, reaching the level of the ground, broken soil, no light and dark bumpy, no stubble. The sowing time is late April in Liaoning Province. The sowing amount is about 7.5kg/667 square meters. The sowing method is generally flat strip sowing, row spacing 30cm, sowing after trenching, ditch depth 5cm, sowing width 6cm, soil cover should not be too thick, required in 2cm. When sowing and covering the soil, press (tread) firmly.

5 suitable area: suitable for cultivation in one-season upland rice areas such as Liaoning Province and Hebei Province, and can also be planted in similar ecotype areas. Wheat stubble rice can be planted in Henan and Shandong provinces.