Breeding Research of A New National Approved Soybean Variety Xiangchun 2701
In order to promote the promotion of the new high-yield and machine harvesting soybean variety Xiangchun 2701,this article systematically elaborates on the breeding process,characteristic,yield performance,cultivation technology points,variety selection thinking,and application prospects of Xiangchun 2701.Xiangchun 2701 is a new high-yield and suitable spring soybean variety developed by the Hunan Crop Research Institute in the spring of 2008,using Xiangchun 24 as the female parent and Youchun 01-45 as the male parent through sexual hybridization,and breeding through pedigree and pod picking mixed methods.Participated in a two-year regional trial of spring soybean varieties in Hunan Province from 2017 to 2018,with an average yield of 2 760.0 kg·ha-1,an increase of 7.2%compared to the control Xiangchun 24.In the 2018 production experiment,the average yield was2 914.5 kg·ha-1,which increased by9.6%compared to the control Xiangchun 24.Participated in the regional trial of spring soybean varieties in the Yangtze River Basin from 2018 to 2019,with an average yield of 2 959.5 kg·ha-1,an increase of 3.7%compared to the control Tianlong1.In the2019 production experiment,the average yield was2 752.5 kg·ha-1,which increased by 3.6%compared to the control Tianlong 1.This variety has shown excellent comprehensive characteristics in all levels of experiments.It was approved by the Hunan Provincial Crop Variety Approval Committee in 2019 and the National Crop Variety Approval Committee in 2021.The approval numbers are Xiangshen 20190001 and Guoshendou 20210062,respectively.Xiangchun 2701 has oval shaped seeds with uniform size and excellent appearance quality.At the same time,it has good deciduous properties and a high height of the bottom pod,making it suitable for mechanized sowing and harvesting.This variety is suitable for spring sowing and planting in the middle and lower reaches of the Yangtze River.
soybeanXiangchun 2701breeding of varietieshigh yieldcharacteristicscultivation techniques
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