Breeding and Characteristics of New High-quality Geng Rice Variety Liangeng 317 with Moderate Resistance to Rice Blast Disease
XING Yungao
LIU Yan
LU Baiguan
XU Bo
SUN Zhiguang
WANG Derong
XU Dayong
WANG Baoxiang
Abstract：Liangeng 317 is a high-quality and blast-resistant geng rice variety developed by Lianyungang Academy of Agricultural Sciences through molecular marker-assisted selection and aggregation of Pi-ta and Pi-2 genes,as well as high-quality taste evaluation.This variety is early maturing,and 1.5 days earlier than the control Xudao No.3.It has strong disease resistance,with a comprehensive index of 3.7 and 3.4 for rice blast disease over two years,and moderate resistance to rice blast disease.The plant is semi compact,with a height of 99.5 cm and strong lodging resistance.It was approved by National Variety Approval Committee in 2021(Approval number:Guoshendao 20210388).This article summarizes the breeding process,main characteristics,and key high-yield and high-quality cultivation techniques of Liangeng 317 in the Huang-Huai-Hai region,in order to provide reference for the promotion and application of this variety.
Keywords：High-quality geng riceLiangeng 317BreedingCharacteristicsCultivation techniques
Publication Date：2024-12-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 50-53 )