Selection Of High Quality Rice Varieties In Shiqian County Based On Agronomic Character Information

In order to help Shiqian county to successfully build a safe agricultural product quality county,vigorously develop high-quality rice and ensure food safety production;At the same time,in order to solve the current situation of shiqian County,there are only a few varieties of high-quality rice in the market,the seed market is chaotic,the high-quality varieties are aging,and there is no variety suitable for planting in a large area of the county,let alone the high-quality rice varieties suitable for creating brands and other problems.In this study,according to the national standard of high-quality rice(GB/T17891-2017),14 varieties of high-quality rice above the national standard of grade 3 were selected and compared with zhongyou 169 of high-quality rice locally grown in Shiqian County for regional test.Based on Shi Qian county elevation difference,warp/weft span,terrain and landform,taking BIGEMAP technology testbed study of information technology,in the eastern county,west,north,northwest,southwest and southeast selection six test sites(leqiao village in Benzhuang town,goose village in Shigu town,Renjiazhai village in Dashaba Township,Kongshihua village in Longjing Township,Gejiu village in Jufeng township,Diyin village in Wude town,),according to the testing varieties in 2018 and 2019 in each of the sites of different agronomic traits,Including the seedling stage and tillering stage and heading stage,mature period,the entire growth period,spike grain number and effective tiller number per spike,panicle,and resistance,and carries on the correlation analysis of these agronomic traits,especially the yield,ear grain number and effective tiller number per spike,panicle,seed setting rate and the correlation analysis,and for each type of lodging resistance,resistance to rice blast,rice song of disease resistance,resistance to sheath blight traits were analyzed.Analysis findings:(1)The varieties with high yield,stable yield and strong resistance are Yixiangyou 2115 and F You498,which can be planted in a large area in Shiqian county;(2)The varieties with high yield resistance but unstable yield include Deyou 4923,Lvyou4923,Deyou 4727,Yliangyou 585 and Rong18 You 2348.The five varieties can be selectively planted in some areas,but cannot be widely promoted in the whole county.(3)Yixiangyou 1108,Yixiangyou 2168,and Jingliangyouhuazhan have high yield,but unstable yield and weak resistance.The three varieties can only be planted in the Shiqian part,and disease prevention and control should be paid attention to.(4)Quanyou 822,Nei 5 you 39,Chuanyou 6203,and Jingliangyou 534,these 4 varieties have low fertility and weak resistance,so they are not suitable for promotion in Shiqian county.Eventually came to the conclusion that can be in Shiqian county area cultivated varieties have appropriate Yixiangyou 2115 and Fyou498,the varieties of planting according to requirements of the quality and safety of agricultural products quality control measures,to achieve high quality rice and high quality rice quality and safety,and that the two varieties can be as high quality rice branding Shiqian county,in the power of Shiqian successfully forged county,the quality and safety of agricultural products at the same time boost the crucial for poverty.