摘要
以15个品种的胡麻为试验材料,在正常灌溉和自然降水栽培条件下,测定成熟期不同品种胡麻的主要农艺性状指标,应用相关性分析、抗旱系数和抗旱指数评价不同品种胡麻的农艺性状与抗旱性的关系及供试品种的抗旱性.结果表明:不同品种胡麻的农艺性状在灌溉和自然降水栽培条件下表现差异较大,2个处理间除有效分枝数差异t测验不显著外,其他性状间差异t测验均达到极显著水平.以‘陇亚8号’为对照品种,采用抗旱指数法对15个品种参试胡麻(包括‘陇亚8号’)的抗旱能力进行评价,其中有2个品种胡麻抗旱能力为好,4个品种胡麻为较好,6个品种胡麻为中等,其余3个品种胡麻为较差和差的评价级别.根据研究结果,建议在选育具有较强抗旱性兼顾高产胡麻新品种时,重点应以提高单株产量、千粒质量为主,兼顾选择单株果实数多、株高略高的材料.
Taking 1 5 flax varieties as testing materials,the main agronomic traits of different flax varie-ties during maturity under the condition of irrigation and natural rainfall were determined.The correlation analysis,drought coefficient and drought resistant index were used to evaluate the relationship between ag-ronomic traits and drought resistance as well as the drought resistance of flax varieties.The results showed that the agronomic traits of flax varieties had significant differences between the condition of irrigation and the rainfall,the t-test in most of traits were significant at 1% level.Taking variety ‘Longya No.8’as CK, the drought resistant of all 1 5 varieties were divided into 5 groups,which of 2 varieties were good,4 varie-ties were acceptable,6 varieties were moderate and the other 3 varieties were poor or very poor.According to the results,we suggested that selecting higher yield and good quality flax varieties should take improving the production of single plant and 1 000-grain weight as the principal thing,and also pay attention to the traits of more fruits and higher plants.
出处
《甘肃农业大学学报》
CAS
CSCD
北大核心
2013年第6期45-51,58,共8页
Journal of Gansu Agricultural University
基金
国家现代农业产业体系胡麻产业体系(CARS-17)
关键词
胡麻
农艺性状
抗旱性
评价
flax
agronomic traits
drought resistance
evaluation
