耐密玉米新组合的农艺性状分析  

Agronomic Traits of New Corn Combination with Density Resistance

作　　者：黎礼谦 罗晓林 舒中兵 段明禹 彭忠华[2] 杨杰 

机构地区：[1]遵义市农业科学研究院,贵州遵义563000 [2]贵州大学农学院,贵阳550025 [3]正安县农牧局,贵州正安563400

出　　处：《湖北农业科学》2014年第9期1996-1998,共3页Hubei Agricultural Sciences

基　　金：贵州省科技厅年度攻关项目(黔科合N字[2011]3087)

摘　　要：运用间比法进行了耐密玉米新组合筛选试验,研究了4个新组合的各个农艺性状。结果表明,各个新组合的生育期在121-125 d之间;株高在2.66-2.92 m之间,穗位高在1.10-1.48 m之间,与对照相比,株高与穗位高高低顺序一样,均为PJX-7、113×hg^-1、hg^-1×110、hg^-1×139;穗上叶在6.0-7.3片之间,与对照相比,穗上叶的增幅大小顺序为PJX-7、hg^-1×139、hg^-1×110、113×hg^-1;茎粗在1.94-2.05 cm之间,大小顺序为113×hg^-1、hg^-1×110、PJX-7、hg^-1×139。综合考虑,在本试验条件下,新组合PJX-7的农艺性状表现最好,适合在本地区大面积推广种植。The screening experiment of new corn combination with density resistance was conducted with the method of the between ratio. Agronomic traits of four combinations were studied. The results showed that the growth period was between 121to 125 d. The plant height was between 2.66 to 2.92 m. The height of ear was between 1.1 to 1.48 m. Compared with CK,the order was PJX-7, 113×hg^-1, hg^-1×110, hg^-1×139. Leaf blade of ear was between 60 to 7.3 pieces. Compared with CK, the order of the amount of change was PJX-7, hg^-1×139, hg^-1×110, 113×hg^-1. The Stem diameter was between 1.94to 2.05 cm with the order of 13×hg^-1, hg^-1×110, PJX-7, hg^-1×139. Under the same experimental condition, PJX-7 had the best agronomic traits and could be promoted to large areas.

关 键 词：玉米新组合 生育期 株高 穗位高 茎粗 

分 类 号：S513.037[农业科学—作物学]