播期对川中丘陵区油菜倒伏性状的影响

杨泽鹏,陈红琳,郭娟,王昌桃,刘定辉

Effects of Sowing Date on Lodging Traits of Rape in the Hilly Central Sichuan Basin, China

Zepeng Yang,Honglin Chen,Juan Guo,Changtao Wang,Dinghui Liu

表3 油菜植株性状与生育期气象因子的关系

Table 3 Relationship between agronomic characters of rape and climate factors

农艺性状 Agronomic character 品种 Cultivar 降水量 Total rainfall 总积温 Accumulated temperature 日均最高气温 Daily maximum temperature 日均最低气温 Daily minimum temperature 日累计温差 Temperature difference 总日照时长Sunshine duration 株高Plant height 川油36 Chuanyou 36 0.547* 0.527* 0.346 0.510 0.365 -0.345 蓉油18 Rongyou 18 0.518* 0.618* 0.569* 0.623* 0.578* -0.593* 分枝部位Branch height 川油36 Chuanyou 36 0.500 0.456 0.270 0.469 0.284 -0.284 蓉油18 Rongyou 18 0.431 0.256 0.006 0.300 0.044 -0.031 根颈粗Root neck diameter 川油36 Chuanyou 36 0.683** 0.652** 0.565* 0.639* 0.570* -0.531* 蓉油18 Rongyou 18 0.528* 0.571* 0.268 0.377 0.273 -0.309 茎秆粗Stem diameter 川油36 Chuanyou 36 0.620* 0.604* 0.442 0.460 0.469 -0.379 蓉油18 Rongyou 18 0.665* 0.621* 0.316 0.474 0.331 -0.332