Qinghua Ai 6 (Rice)

Breeding unit: Rice Institute of Guangdong Academy of Agricultural Sciences.

Approval: approved by Guangdong crop Variety approval Committee and recognized by the National crop Variety approval Committee in 1991.

Variety registration number: GS01006-l990.

Variety source: Wanqing / Qinglan / / Huazhuai.

Characteristics: photosensitive late indica late maturing varieties. The plant height is 90-96 cm, the stem is tough, the leaf is narrow and straight, the tillering ability is medium, the effective panicle is 230000 per mu, the 1000-grain weight is 20.7mur21.5 g, and the rice quality is good. The growth period is 138 mi 141 days. Strong stress resistance, high resistance to bacterial blight, more wind-resistant, cold-resistant, saline-alkali resistant, wide adaptability, late ripening stage, slightly more black grain. The average yield per mu is about 350 kg.

Main points of cultivation: the sowing rate per mu is 20-30 kg, the seedling age is about 40 days, and the effective panicle per mu is 200,000-230,000. The fertilization principle of "attacking before, controlling, replenishing tail" and the irrigation method of "shallow before, middle dew and wet after" are adopted.

Suitable scope: planting in Guangdong, Guangxi and Hainan provinces, especially in coastal areas with frequent occurrence of bacterial blight.