辽宁农业科学
遼寧農業科學
료녕농업과학
LIAONING AGRICULTURAL SCIENCES
2014年
2期
41-43
,共3页
春小麦%氮肥%施用时期%产量性状
春小麥%氮肥%施用時期%產量性狀
춘소맥%담비%시용시기%산량성상
Spring wheat%Nitrogen fertilizer%application time%Yield traits
在春小麦生长发育过程中的三叶期、拔节期、孕穗期三个时期，对辽春18号春小麦追施氮肥，探讨其对辽春18号春小麦农艺性状及产量的影响。结果表明：拔节期追施氮肥，可使小麦株高增加、穗粒数增多、千粒重增加、穗粒重增加。在三叶期施用氮肥，可使小麦有效穗数最多。拔节期追施氮肥，小麦产量最高，其次是孕穗期追施氮肥的小麦产量，最后是三叶期追施氮肥小麦产量最低。
在春小麥生長髮育過程中的三葉期、拔節期、孕穗期三箇時期，對遼春18號春小麥追施氮肥，探討其對遼春18號春小麥農藝性狀及產量的影響。結果錶明：拔節期追施氮肥，可使小麥株高增加、穗粒數增多、韆粒重增加、穗粒重增加。在三葉期施用氮肥，可使小麥有效穗數最多。拔節期追施氮肥，小麥產量最高，其次是孕穗期追施氮肥的小麥產量，最後是三葉期追施氮肥小麥產量最低。
재춘소맥생장발육과정중적삼협기、발절기、잉수기삼개시기，대료춘18호춘소맥추시담비，탐토기대료춘18호춘소맥농예성상급산량적영향。결과표명：발절기추시담비，가사소맥주고증가、수립수증다、천립중증가、수립중증가。재삼협기시용담비，가사소맥유효수수최다。발절기추시담비，소맥산량최고，기차시잉수기추시담비적소맥산량，최후시삼협기추시담비소맥산량최저。
We applied nitrogen fertilizer to the spring wheat cultivar Liaochun 18 during the the three-leaf stage,the jointing stage and booting stage,and studied the effect of nitrogen fertilizer on the agronomic traits and yield of Liaochun 18.The result indicated the application of nitrogen fertilizer in the jointing stage signifi-cantly increased plant height,the number of spike grains,weight of one thousand grains and spike grains.The application of nitrogen fertilizer in the three-leaf stage made wheat panicles number reach the maximum level. Besides,we can get the result that highest yield was obtained in the jointing stage with nitrogen nitrogen fertil-izer application,followed by booting stage,and the yield in the three-leaf stage was lowest.
