豫北地区‘郑麦7698’适宜播期播量的研究
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摘要
为了筛选适宜的播期、播量,使良种良法配套,充分发挥‘郑麦7698’在豫北地区的丰产性,研究了‘郑麦7698’在不同播期播量下的产量及产量构成。结果表明:随着播期的延迟,小麦成穗数逐渐减少,穗粒数逐渐增加,播期对千粒重的影响未达显著水平,产量随播期的推迟而逐渐降低。播量越大,小麦的成穗数越高,穗粒数越少,播量对千粒重的影响未达到显著水平,而播量最大的处理(225 kg/hm2)产量最高。‘郑麦7698’产量最高的组合为播种期10月10日,播量225 kg/hm2,而播期为10月10日播量为187.5 kg/hm2的组合次之。总之,‘郑麦7698’在豫北地区的适宜播种期范围为10月5日至10日,相应的播量为225 kg/hm2左右。
In order to clarify the suitable combination of sowing time and seeding quantity to make it match with good breed,and better encourage fertility of‘Zhengmai7698'in North Henan,we studied yield formation under different sowing time and seeding quantity.The results showed that: with the sowing time delay,efficient panicle of unit-acreage reduced,kernel number increased,sowing time was not significant affect on grain weight,with the delayed sowing,yield gradually reduced.With the increase of seeding quantity,efficient panicle of unit-acreage increased,kernel number reduced,sowing time was not significant affect on grain weight,the highest seeding quantity treatment(225 kg/hm2) had the maximum yield.The combination of ‘Zhengmai 7698'had the highest yield for sowing time was October 10th,sowing quantity was 225 kg/hm2,when sowing time was October 10th,and sowing quantity was 187.5 kg/hm2,the yield was second.According to the grain yield of all the combinations of sowing time and planting density,October 5th to 10th was the best sowing time of‘Zhengmai 7698'in north Henan,with the seeding quantity was about 225 kg/hm2.
In order to clarify the suitable combination of sowing time and seeding quantity to make it match with good breed,and better encourage fertility of‘Zhengmai7698'in North Henan,we studied yield formation under different sowing time and seeding quantity.The results showed that: with the sowing time delay,efficient panicle of unit-acreage reduced,kernel number increased,sowing time was not significant affect on grain weight,with the delayed sowing,yield gradually reduced.With the increase of seeding quantity,efficient panicle of unit-acreage increased,kernel number reduced,sowing time was not significant affect on grain weight,the highest seeding quantity treatment(225 kg/hm2) had the maximum yield.The combination of ‘Zhengmai 7698'had the highest yield for sowing time was October 10th,sowing quantity was 225 kg/hm2,when sowing time was October 10th,and sowing quantity was 187.5 kg/hm2,the yield was second.According to the grain yield of all the combinations of sowing time and planting density,October 5th to 10th was the best sowing time of‘Zhengmai 7698'in north Henan,with the seeding quantity was about 225 kg/hm2.
引文
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[15]杨桂霞,赵广才,许轲,等.播期和密度对冬小麦籽粒产量和营养品质及生理指标的影响[J].麦类作物学报,2010,30(4):687-692.
[16]郭天财,彭羽,朱云集,等.播期对不同穗型、筋型优质冬小麦影响效应的研究[J].耕作与栽培,2001(2):19-20.
[2]唐进,吉剑,李桂云,等.2007-2008年小麦不同播期播量对产量影响研究[J].安徽农学通报,2008,14(18):23-25.
[3]卢良恕.中国小麦栽培研究新进展[M].北京:北京农业出版社,1993:119-126.
[4]闫志顺,王瑞清.不同播期冬小麦叶重和叶面积与产量关系的相关性研究[J].新疆农业科学,2005,42(1):59-61.
[5]王志强,周晓明,王明东,等.不同密度对小麦品质和产量的影响[J].河南农业科学,2003(4):4-6.
[6]曹广才,吴东兵,杨万深,等.精量播种条件下冬小麦的高产优质初探[J].华北农学报,2004,19(4):92-95.
[7]屈会娟,李金才,沈学善,等.播种密度对冬小麦不同穗位与粒位结实粒数和粒重的影响[J].作物学报,2009,35(10):1875-1883.
[8]孟丽梅,张珂,杨子光,等.播期播量对冬小麦品种‘洛麦22’产量形成及主要性状的影响[J].中国农学通报,2012,28(18):36-39.
[9]陈素英,张喜英,毛任钊,等.播期和播量对冬小麦冠灌层光合有效辐射和产量的影响[J].中国生态农业学报,2009,17(4):681-685.
[10]胡焕焕,刘丽平,李瑞奇,等.播种期和密度对冬小麦品种河农822产量形成的影响[J].麦类作物学报,2008,28(3):490-495.
[11]汪建来,孔令聪,汪芝寿,等.播期播量对皖麦44产量和品质的影响[J].安徽农业科学,2003,31(6):949-950,954.
[12]李朝霞,赵世杰,孟庆伟,等.高粒叶比小麦群体生理基础研究进展[J].麦类作物学报,2002,22(4):79-83.
[13]Wight C P,O’Donoughue L S,Chong J,et al.Discovery,localization,and sequence characterization of molecular markersfor the crown rust resistance genes Pc38,Pc39,and Pc48 incultivated oat(Avena sativa L.)[J].Molecular Breeding,2004,14(4):349-361.
[14]刘万代,陈现永,尹钧,等.播期和密度对冬小麦豫麦49—198群体性状和产量的影响[J].麦类作物学报,2009,29(3):464-469.
[15]杨桂霞,赵广才,许轲,等.播期和密度对冬小麦籽粒产量和营养品质及生理指标的影响[J].麦类作物学报,2010,30(4):687-692.
[16]郭天财,彭羽,朱云集,等.播期对不同穗型、筋型优质冬小麦影响效应的研究[J].耕作与栽培,2001(2):19-20.