摘要
以甘蓝型油菜品种中双10号(ZS10)和中油杂5号(ZYZ5)为材料,研究迟直播条件下氮、磷、钾的"3414"肥料效应,确定最佳施肥量以减少迟直播对油菜产量和品质的影响。研究结果表明,各施肥处理对总生育期和苗期各指标影响不大。ZS10的主花序长、总角果数、千粒重与氮肥显著相关;ZYZ5的实际产量与氮肥显著相关。磷肥与各性状间关系不显著;钾肥与ZS10的每角果粒数、ZYZ5的实际产量达到显著相关。随着氮肥增加,菜籽含油量下降而蛋白质增加;磷肥对菜籽蛋白质含量和含油量影响不大;适量的钾肥有利于含油量的增加但对蛋白质含量影响较小。
Two rapeseed （ Brassica napus L. ） cultivars Zhongshuang 10 （ ZS10） and Zhongyouza 5 （ ZYZ5） were used to study the optimal effects of fertilization on yield and quality under delayed direct-seeding condition. The fertilizers included nitrogen （ N） ,phosphorus （ P） and potassium （ K） . It was found that there were significant effects on agronomic traits and qualities,but less effect on seedling period and total growth stage. Greater amount of N fertilizer increased seed protein and decreased oil content. Increased N also led to significantly longer main inflorescence,greater silique number and 1 000-seed weight of ZS10,and higher yield of ZYZ5. Suitable K increased oil content and K had less effect on protein content. There were significant effects of K on seeds per silique of ZS10 and yield of ZYZ5. On the contrary,P level seemed to have less effects on seed quality and agronomic traits of these two cultivars.
出处
《中国油料作物学报》
CAS
CSCD
北大核心
2010年第2期263-269,共7页
Chinese Journal of Oil Crop Sciences
基金
国家科技支撑计划(2110BAD01B09
2009BADA8B01)
现代农业产业技术体系建设专项资金
国家农业成果转化资金(2009GB23260434)
关键词
迟直播油菜
肥料效应试验
最佳施肥量
品质
Delayed direct-seeding rapeseed （ Brassica napus L. ）
Fertilizer experiment design
Optimaized fertilizer dosage
Quality
