Shendao No. 1 (Liaoshendao [2006] 172)
Shenyang Agricultural University selected Qiandaijin as female parent and Shennong 8801 as male parent in 1998. It was examined and approved by Liaoning Provincial crop Variety approval Committee in 2007.
Characteristics: the growth period of this variety is about 150 days, and it is a mid-early maturing variety. At seedling stage, the leaf color is dark green, the leaf is erect, the plant height is 95 cm, the plant type is compact, the tillering ability is medium, the main stem has 15 leaves, the semi-tight panicle type, the ear length is 17 cm, the number of grains per ear is 120, the weight of 1000 grains is 25 grams, the glume is yellow and white, and there is no awn. Determined by the rice and product quality supervision, inspection and testing center of the Ministry of Agriculture, brown rice rate is 81.6%, milled rice rate is 73.4%, head rice rate is 66.3%, grain length is 5 mm, grain length / width ratio is 1.8, chalky grain rate is 6%, chalkiness degree is 0.4%, transparency grade 1, alkali nitrate value 7, gel consistency 68 mm, amylose 16.9%, protein 7.8%, rice quality is excellent. The disease of panicle neck blast was identified and investigated in the field.
Yield performance: participated in the regional trial of rice mid-early maturity group in Liaoning Province from 2004 to 2005, increased yield at 7 points and decreased yield at 3 points, with an average yield of 537.47 kg per mu in two years, 3.74% higher than that of Tiejing 5, and participated in the production experiment of the same group in 2006. the average yield per mu was 532.3 kg, 5.31% higher than that of Shennong 315.
Key points of cultivation techniques: sowing in early April, transplanting in late May, row spacing of 30 cm × 13.3 cm, 3 seedlings per hole. Apply 50 kg of standard nitrogen fertilizer, 15 kg of phosphate fertilizer and 20 kg of potash fertilizer per mu. Transplanting seedlings in shallow water, shallow wet tillering, enough seedlings to dry the field. Pay attention to the control of rice blast.
Suitable area: Shendao No. 1 is suitable to be planted in middle and early maturing rice areas in the east and north of Liaoning Province.
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Returning straw to the field
The main results are as follows: 1. Straw cover in wheat field. After wheat sowing is completed, 250-300 kg rice straw per mu is cut into 10-20 cm straw sections, and the fields are evenly covered so that the grass does not pile up and the land is not exposed. 2. The rape field was covered with straw. When transplanting rape, the seedlings should be planted in the hole where sufficient base fertilizer is applied, and then the whole field should be evenly covered with 300 kg of rice straw / mu. The grass should not cover the hole (seedling) and the soil should not be exposed, and at the same time, the comprehensive control and necessary field management measures should be taken. 3. Drainage and
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Green Rice 24 (9724)
This variety is a new medium indica variety with high quality, high yield and disease resistance introduced by Sande Company, Green Institute of Anhui Academy of Agricultural Sciences. In recent years, it has been planted in a large area in southern and northern Anhui and along the Huaihe River, showing the characteristics of both high quality and high yield, and has been listed as the first choice for the development of high quality rice. The whole growth period of this variety is 140 days, the general yield is 550 kg, and the high yield field can reach 600 kg. Plant height 120 cm, medium tillering ability, large panicle and many grains, total grains per panicle 145, 1000-grain weight 28.7 g, seed setting rate 88%, resistance
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