优良食味水稻新品种宁香粳9号在苏州地区的引种示范试验

Demonstration Test of a New High-quality Edible Rice Variety Ningxianggeng 9Introduced in Suzhou Area

引进和推广优良食味水稻品种对稳定粮食生产面积、丰富品种结构、增加农民收入意义重大。宁香粳9号是南京农业大学水稻研究所育成的早熟晚粳稻新品种,2020年通过江苏省农作物品种审定委员会审定,该品种具有熟期早、株型紧凑、穗层整齐、后期熟相好、丰产性好等优点。本研究以宁香粳9号为试验材料,以苏州地区为主,开展了宁香粳9号生长特性、产量及其构成因素以及抗性表现试验,综合评价该品种的区域适宜性。结果表明,宁香粳9号在苏州地区种植,株高在89.4~106.0 cm之间,全生育期在145~164 d之间,产量在8 145.0~10 923.0 kg/hm^(2)之间,丰产性较好,抗倒伏能力强,抗病性强,具有巨大的生产价值,值得推广应用。

The introduction and popularization of high-quality edible rice varieties are of great significance to stabilize the grain production area,enrich the variety structure and increase farmers'income.Ningxianggeng 9 is a new early maturing late japonica rice variety bred by the Rice Research Institute of Nanjing Agricultural University and approved by Jiangsu Crop Variety Approval Committee in 2020.It has the advantages of early maturity,compact plant type,neat panicle layer,good late maturing phase,good yield and so on.In this study,Ningxiangjing 9 was used as test material,and the growth characteristics,yield,yield components and resistance performance of Ningxiangjing 9 were mainly tested in Suzhou area,so as to comprehensively evaluate the regional suitability of this variety.The results showed that the average plant height of Ningxianggeng 9 was between 89.4 cm and 106.0 cm,the whole growth period was 145-164 days,the average yield reached 8145.0-10923.0 kg/hm^(2) in Suzhou area.It had a high yield,strong lodging resistance and strong disease resistance,showing the great production value,which was worthy of popularization and application.