引种甘蓝型油菜在拉萨市适应性分析

Adaptability Analysis of Brassica napus in Lhasa

为了研究甘蓝型油菜在拉萨种植的适应性,以引进的17份甘蓝型油菜品种为材料,分析其在拉萨的生育期、农艺性状、产量及含油量的变化。结果表明,引种品种在拉萨种植具有较强的适应性,全生育期为121~140 d,农艺性状具有较强的稳定性,单株角果数和单株产量变异系数>30%,其余农艺性状变异系数均<30%。12个品种(系)表现为增产,增产幅度达76.22%~10.48%,所有品种的含油量均>40%。

In order to study the adaptability of Brassica napus planting in Lhasa,17 varieties of Brassica napus were introduced as materials to analyze the changes of growth period,agronomic characters,yield and oil content in Lhasa.The results showed that all the introduced varieties had strong adaptability in Lhasa,the whole growth period was 121~140 d,the agronomic characters had strong stability,the variation coefficient of the number of corner fruit per plant and yield per plant was higher than 30%,and the variation coefficient of other agronomic characters was less than 30%.12 variet⁃ies(lines)showed an increase yield and the increase rate was 76.22%~10.48%,and the oil content of all varieties was more than 40%.