Huaidao No. 6 (Rice)

Huaidao No. 6, formerly codenamed "Huai 6329", was bred by the double cross of Wuyujing 3 / / China 91 / Yanjing 2 used by the Institute of Agricultural Sciences of Huaiyin City, Jiangsu Province. it is an excellent mid-maturity and medium japonica variety with high yield, stable yield and high quality.

The plant height of Huaidao No. 6 is about 95cm, the stem is stout, and the lodging resistance is strong. The plant type is moderate in distribution, and the leaves are stiff and evenly arranged. The tillering ability was strong, and the maximum number of stem sacs per mu was 300000 ~ 320000. The stems and tillers grow neatly, and the panicle rate is high, generally reaching 75% to 80%. The average number of effective panicles per mu is about 240000, the filled grains per panicle is 100,120 grains, and the 1000-grain weight is about 28g. The results of multi-point intermediate experiments for many years showed that they all showed good field resistance to bacterial blight and rice blast, and only a few experiments showed light resistance to rice blast. Medium shattering, good color change in the later stage, not premature senescence, yellow stalk green seed, ripe color and ripe phase. The whole green period of wheat stubble rice planted in Huaibei was about 150 days, which was 1 day earlier than that of Zhendao 88. According to the results of rice testing in 1998 by the Rice quality Inspection Center of the Ministry of Agriculture in the spring of 1999, 9 of the 12 indexes, such as brown rice rate, head rice rate, transparency, gel consistency, alkali elimination value and protein content, reached the first-grade high quality rice standard issued by the Ministry of Agriculture. Chalkiness and amylose content reached the second grade high quality rice standard. Another chalkiness rate is 12%, which is also close to the second-grade high-quality rice standard. In the autumn of 1999, the seed station of Jiangsu Province was uniformly sampled and sent to the Rice quality Inspection Center of the Ministry of Agriculture for analysis. the total score was one of two medium-maturing japonica varieties with more than 60 points, which was 5 points higher than Zhendao 88 and Sidao 9 and 3 points higher than Zaofeng 9. Rice white, soft and hard moderate, not hard after cold, good palatability.

Yield performance: in 1995, participated in the Central Japonica Regional Test in Huaiyin City, the average yield per mu 615.Okg, 13.9% higher than the control Sidao 9, ranking first among the tested varieties (lines). He participated in the Huaibei Central Japonica Regional Test in Jiangsu Province for two consecutive years from 1997 to 1998, with an average yield of 649.2kg per mu, which was higher than that of the control. Sidao 9 increased by 10.2%, reaching a very significant level, ranking second among the tested varieties (lines). In 1999, the medium japonica production experiment in Huaibei, Jiangsu Province, showed an average yield of 601.5kg per mu, which was 3.2% higher than that of Zhendao 88.

Cultivator, Agricultural Science Institute of Huaiyin City, Jiangsu Province

Region and technology 1. Cultivate strong seedlings. Usually sow in the first and middle of May and transplant in the middle of June. The seedling age of wet seedling is about 30 days, the sowing amount of net seedling board per mu is 25~30kg, the seedling age of dry raising seedling is about 45 days, and the sowing rate of net seedling board per mu is 40~45kg. Wet seedlings should apply sufficient basic fertilizer, one leaf early weaning fertilizer, heavy application of long and thick rattan fertilizer at three leaves stage, and skillful application of marriage fertilizer 3-4 days before transplanting, so as to strive for an average of 1-2 tillers per seedling. According to the requirements of the operation rules of dry seedling raising, we should do a good job of fertilizing the old bed, soaking seeds with chemicals, moisturizing the seedlings, controlling water to promote roots and promoting tillers, and preventing and controlling diseases, insect pests and weeds, so as to ensure the growth of seedlings, with an average of 2 tillers per plant before transplanting. two。 Reasonable close planting. The plant type of Huaidao No. 6 is moderate, and the transplanting row is suitable for 23cm × 13cm in the field, with 20 000 holes per mu, 3 million seedlings per hole and 70 000 ~ 80 000 basic seedlings per mu (including large tillers with two leaves and one heart). The high-yielding square 27cm × 13cm has 3-4 seedlings per hole, and the basic seedling is about 60 000 per mu. If the basic seedling is more than 100000, the population in the middle stage will be larger and the panicle type will become smaller. If the basic seedling is less than 50, 000, the panicle number will be insufficient and the yield will be affected. 3. Use fertilizer scientifically. Base fertilizer was applied before soil preparation, urea 12.5~15.Okg or ammonium bicarbonate 40~5Okg and calcium superphosphate 30~4Okg were applied per mu. Returning green fertilizer was applied about 7 days after transplanting, and urea 12.5kg was applied per mu. Panicle fertilizer should be given consideration to both protection and protection, and urea 8kg should be applied at the remaining leaves of 3.5 and 1.5 respectively. Potassium fertilizer can be applied at the late tillering stage, or at the same time as flower-promoting fertilizer before jointing, applying potassium chloride 1Okg per mu. 4. Take care of the slurry. It is necessary to live trees in deep water, promote tillering in shallow water, and strive for early and quick development. About 18 days after planting, when the total number of tillers reached about 220000 / mu, the field was shelved appropriately, and the peak seedlings were controlled at about 28 days after planting, 300000 ~ 320000 / mu. In the booting and flowering stage, the water layer was mainly irrigated, the rest of the time was dry and wet alternately, and the water was cut off 5-7 days before maturity, in order to nourish roots and protect leaves, increase grain and weight. 5. Do a good job in pest prevention and control. Omethoate and other pesticides are used to control rice to horses in seedling fields, and Jinggangmycin, Shachongshuang, methamidophos are used to control diseases and insect pests such as sheath blight and borer in the field, especially before heading and during the peak tillering period.