播期和密度对普冰151小麦籽粒产量与品质的影响.pdf

播期和密度对普冰151小麦籽粒产量与品质的影响.pdf346 干旱地区农业研究 V0134No6
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文章编号:. doi107606jissn1000-760120160601
15 1
与品质的影响
刘芳亮,张保军,张正茂,陈魏涛,张赵星,李娜,吕冰
鞅迸┝挚萍即笱┭г海挛餮盍
摘要:为确定关中地区小麦适宜播期和密度,以普冰J匝椴牧希隆Y月设置
月铡日、月日霾テ诤突久、、颉雒芏龋芯苛瞬テ诤兔芏榷云毡
151
151103108
随着播期的推迟而增加,基本苗由月康万·衷黾拥日的颉。。随着播期的推迟,蛋
255hm-2
和面团稳定时最大,分别为.%、.%和. min
产量和品质协调统一。
151
中图分类号:.籗 A
and density grain yield and
quality wheat 1 5 1
LIU Fang-liangZHANGBaojunZHANGZheng-maoCHEN琙—, ,
如 ofAgronomyNorthwestA&F UniversityYanglingShaanxi712100Chna)
: determine the appropriate density and for wheat Guanzhong areawheat—
ety 1 was the materials planted October 琌琣 October 13and plant den
,, and seedlings per 甌 and density
grain yield and quality 151 investigatedTheresults the yield 151 Was decreased
the delay dateSpike wheat was increased through the 瑀
the improvement wheat 瓸 the bination between and 瑃 appropriate
Was October 3 October 甋 was increased along the delay October
31950 seedlings per hectare October 82250 seedlings per hectareWiththe delay
dateproteincontent and wet content 瑆 sable Was increasedWhenthe den
Was seedlings per 琾瑆 content and sable reached the
14253072and. minrespectivelyThereforebased needthe
and density would the yield and quality wheat
Keywordswheat 151sowing; densityyieldquality
播期和密度是影响小麦产量和品质的两个重要的现象,易造成冬季生长过旺或群体偏大形成弱苗,
因素,适宜的播期利于培育壮苗;密度适宜有利于缓[
冲个体与群体的矛盾,利于产量构成因素的协调发量形成的基础,小麦籽粒产量以上来源于花后
[