[1]吴秀宁,张军,王凤娟,等.肥密互作对旱地冬小麦商麦1619旗叶光合特性、干物质积累和产量的影响[J].江苏农业学报,2022,38(04):924-930.[doi:doi:10.3969/j.issn.1000-4440.2022.04.008]
 WU Xiu-ning,ZHANG Jun,WANG Feng-juan,et al.Effects of fertilizer and density interaction on flag leaf photosynthetic characteristics, dry matter accumulation and yield of Shangmai 1619[J].,2022,38(04):924-930.[doi:doi:10.3969/j.issn.1000-4440.2022.04.008]
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肥密互作对旱地冬小麦商麦1619旗叶光合特性、干物质积累和产量的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年04期
页码:
924-930
栏目:
耕作栽培·资源环境
出版日期:
2022-08-31

文章信息/Info

Title:
Effects of fertilizer and density interaction on flag leaf photosynthetic characteristics, dry matter accumulation and yield of Shangmai 1619
作者:
吴秀宁1张军1王凤娟1王新军1高宝云1赵麟2敬樊3
(1.商洛学院,陕西商洛726000;2.洛南县四皓街道办农业综合服务站, 陕西商洛726000;3.商洛市农业科学研究所,陕西商洛726000)
Author(s):
WU Xiu-ning1ZHANG Jun1WANG Feng-juan1WANG Xin-jun1GAO Bao-yun1ZHAO Lin3JING Fan3
(1.Shangluo University, Shangluo 726000, China;2.Agricultural Comprehensive Service Station, Sihao Sub-district Office, Luonan County, Shangluo 726000, China;3.Shangluo Agricultural Science Research Institute, Shangluo 726000, China)
关键词:
商麦1619肥密互作光合特性干物质积累产量
Keywords:
Shangmai 1619fertilizer and density interactionphotosynthetic characteristicsdry matter accumulationyield
分类号:
S512.1
DOI:
doi:10.3969/j.issn.1000-4440.2022.04.008
文献标志码:
A
摘要:
本研究以旱地冬小麦品种商麦1619为试验材料,在大田条件下设置4个施肥水平(75 kg/hm2、150 kg/hm2、225 kg/hm2、300 kg/hm2)和3个种植密度(1 hm21.35×106株,1 hm21.80×106株,1 hm22.25×106株),探究肥密互作对商麦1619旗叶光合特性、干物质积累和产量的影响。结果表明,随着施肥量(150~300 kg/hm2)、种植密度的增加,开花期、灌浆中期、灌浆后期的商麦1619旗叶净光合速率(Pn)、SPAD值整体呈上升趋势,施肥量为300 kg/hm2、种植密度为1 hm22.25×106株时达到最大值。商麦1619籽粒产量随着施肥量、种植密度的增加总体呈先增后减的变化趋势。施肥量为225 kg/hm2、种植密度为1 hm2 2.25×106株条件下商麦1619产量最高,为5 790.35 kg/hm2。商麦1619籽粒产量与旗叶净光合速率、SPAD值、地上部干物质积累量均在0.01水平呈正相关。本研究结果可为商麦1619的进一步示范推广提供指导。
Abstract:
Using dryland winter wheat Shangmai 1619 as experimental material, four fertilization levels (75 kg/hm2, 150 kg/hm2, 225 kg/hm2, 300 kg/hm2) and three planting densities (1.35×106 plants per hectare, 1.80×106 plants per hectare, 2.25×106 plants per hectare ) were applied to investigate the effects of fertilizer and density interaction on the photosynthetic characteristics, dry matter accumulation and yield of Shangmai 1619 under field conditions. The results indicated that the net photosynthetic rate (Pn) and SPAD values of flag leaves at flowering, mid-filling and late-filling stages showed an overall upward trend with the increase of fertilization(150-300 kg/hm2)and planting density. All of them reached the peak with the fertilizer of 300 kg/hm2 and density of 2.25×106 plants per hectare. With the increase of fertilization and planting density, the grain yield of Shangmai 1619 increased first and then decreased. Shangmai 1619 reached its highest yield (5 790.35 kg/hm2) with the fertilizer of 225 kg/hm2 and density of 2.25×106 plants per hectare. The grain yield of Shangmai 1619 was positively correlated with Pn, SPAD value of flag leaves and dry matter accumulation at 0.01 level. The results can provide guidance for further promotion of Shangmai 1619.

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备注/Memo

备注/Memo:
收稿日期:2021-09-07基金项目:陕西省教育厅专项科研计划项目(21JK0613)作者简介:吴秀宁(1987-),女,山东济宁人,硕士,讲师,主要从事作物高产栽培与耕作模式优化研究。(E-mail)wuxiuning1988@163.com通讯作者:王新军,(E-mail)614648056@qq.com
更新日期/Last Update: 2022-09-06