作物杂志Issue(4)：67-75,9.DOI:10.16035/j.issn.1001-7283.2026.04.008
抗倒伏甘蓝型油菜茎秆强度分析与应用研究
Analysis and Application of Stem Strength in Lodging-Resistant Rapeseed(Brassica napus L.)
摘要
Abstract
Using the lodging resistant rapeseed ZS11 and short-growth-duration rapeseed germplasm with weak lodging resistance as materials,this study investigated differences in lodging degree and stem strength-related traits among different materials and analyzed the possible reasons for the formation of high stem strength.The results showed that there were significant differences in the lodging degree among 22 core germplasm materials with short-growth-duration.Among them,18XS172 had the lowest lodging degree and the best lodging resistance,but it was still significantly lower than ZS11.The stem puncture strength and stem cellulose content of 18XS172 were significantly lower than those of ZS11 from the final flowering stage onward.Compared with 18XS172,the cellulose content of ZS11 increased continuously from the budding stage to the final flowering stage,reaching a peak at the final flowering stage with a significantly higher accumulation rate.These results suggest that ZS11 has a rapid and prolonged period of cellulose accumulation,which may be the primary reason for its superior stem strength and lodging resistance.Furthermore,two excellent germplasm materials,24TS624-3 and 24TS496-3,were developed and identified.These materials combine a short growth duration,high stem strength,and high oil content.They can be directly used as parental materials in breeding programs aimed at improving lodging resistance in short-growth-duration rapeseed.关键词
甘蓝型油菜/茎秆强度/纤维素含量/木质素含量/种质创制Key words
Brassica napus L./Stem strength/Cellulose content/Lignin content/Germplasm development引用本文复制引用
田正书,洪才英,张玉松,罗延青,符明联,李劲峰..抗倒伏甘蓝型油菜茎秆强度分析与应用研究[J].作物杂志,2026,(4):67-75,9.基金项目
国家重点研发计划项目(2023YDF1201400) （2023YDF1201400）
国家自然科学基金(32460495) （32460495）
云南省农业联合专项(202401 BD070001-083) （202401 BD070001-083）
优势特色作物品种提升及转化利用专项 （）
