Adaptability Evaluation And Quality Division Of New Flue-cured Tobacco Varieties In Lijiang Tobacco-growing Area Based On GIS

The high-quality characteristic tobacco leaves in Lijiang tobacco district support the development of multiple cigarette brands and meet the raw material needs of many domestic cigarette brands,which is of great significance to the development of tobacco in China.In order to select the next step of seed preparation and scientific and reasonable tobacco planting in Lijiang tobacco area,the adaptability evaluation and quality zoning of new flue-cured tobacco varieties in Lijiang tobacco area based on GIS are carried out.Firstly,the chemical composition of tobacco soil in Lijiang tobacco area is analyzed and evaluated.Then the C3 F samples of six new varieties of Yunyan 105,Yunyan 100,Yunyan116,Yunyan 121,Qin Yan 96 and NC71 are selected,and the adaptability evaluation of six new flue-cured tobacco varieties in Lijiang townships is carried out from the perspective of conventional chemical composition and neutral fragrance-causing components of tobacco leaves.Finally,multi-variety and multi-point tests are used,Arc GIS technology is used to map the comprehensive analysis of quality,and the zoning management of suitable planting varieties in each township is specific.The results showed that:(1)The most suitable areas for tobacco planting soil are Yongning Town and Cuiyu Township;The suitable areas are Labo Township,Xichuan Township and Xibuhe Township;The sub-suitable areas are Fengke Township,Jinmian Township,Yongbei Township,Shunzhou Township,Jina Town,Pianjiao Town,Qihe Township and Jinjiang Township;The unsuitable areas are Yongxing Township,Yongningping Township,Tongda Township,Xinzhuang Township,Renhe Township,Tacheng Township,Ludian Township,Judian Township,Liming Township,Shigu Township,Jiuhe Township,Lashi Township,Baisha Township,Longpan Township,Dagu Township,Dadong Township,Mingyin Township and Baoshan Township.(2)The most suitable areas for the conventional chemical composition of Yunyan 105 were Tacheng Township,Ludian Township,Judian Township,Liming Township,Renhe Township,Xinzhuang Township and Tongda Township;The most suitable areas for the conventional chemical composition of Yunyan 100 are Tongda Township,Xinzhuang Township,Renhe Township and Xingquan Township;The most suitable areas for the conventional chemical composition of Yunyan 116 are Tacheng Township,Judian Township,Ludian Township,Liming Township and Longpan Township;The most suitable areas for the conventional chemical composition of Yunyan 121 are Tacheng Township,Ludian Township,Judian Township,Liming Township,and Renhe Township;The most suitable areas for the conventional chemical composition of Qin Yan 96 are Tacheng Township,Ludian Township,Judian Township and Liming Township;The most suitable areas for the conventional chemical composition of NC71 are Qihe Town,Jinjiang Township,Baisha Town,Lashi Town and Jiuhe Township.(3)The most suitable areas for Yunyan 105 incense ingredients are Tacheng Township,Ludian Township,Judian Township,Liming Township,Tongda Township,Xinzhuang Township,Xingquan Township,Renhe Township;The most suitable areas for Yunyan 100 incense ingredients are Jiuhe Township,La Shi Town,Gucheng District,Qihe Town and Jinjiang Township;The most suitable areas for Yunyan 116 incense ingredients are Tacheng Township,Ludian Township,Judian Township and Liming Township;The most suitable areas for Yunyan 121 incense ingredients are Tacheng Township,Ludian Township,Judian Township,Liming Township,Cuiyu Township,Yongxing Township,Yongningping Township,Tongda Township,Xinzhuang Township,Xingquan Township,Renhe Township;The most suitable areas for incense ingredients of Qin Yan 96 are Tacheng Township,Ludian Township,Judian Township and Liming Township;The most suitable areas for NC71 fragrance ingredients are Lashi Town,Qihe Town and Jinjiang Township.(4)The comprehensive evaluation of Yunyan 105 quality shows that the most suitable areas are Tacheng Township,Ludian Township,Judian Township,Liming Township,Xinzhuang Township and Renhe Township;The comprehensive evaluation of Yunyan 100 quality shows that the most suitable areas are Tongda Township,Xinzhuang Township and Renhe Township;The comprehensive evaluation of Yunyan 116 quality shows that the most suitable areas are Judian Town,Ludian Township and Liming Township;The comprehensive evaluation of Yunyan 121 quality shows that the most suitable areas are Ludian Township,Tacheng Township,Judian Township,Liming Township,Cuiyu Township,Xinzhuang Township,and Renhe Township;The comprehensive evaluation of the quality of Qinyan 96 shows that the most suitable areas are Liming Township,Judian Township and Ludian Township;The NC71 quality comprehensive evaluation shows that the most suitable areas are Qihe Town,Jinjiang Township and La Shi Town.(5)From the perspective of comprehensive evaluation through GIS mapping,the best performing variety in Lijiang tobacco area is Yunyan 121,followed by Yunyan 105,Yunyan 116,Qin Yan 96,NC71,and the worst performing is Yunyan 100.