|本期目录/Table of Contents|

[1]肖宇,徐婧,牛翠云,等.缓释氮和速效氮配施对旱地小麦光合特性、产量及品质的影响[J].江苏农业科学,2025,53(6):111-118.
 Xiao Yu,et al.Effects of combined application of slow-release nitrogen and quick-available nitrogen on photosynthetic characteristics, yield and quality of dryland wheat[J].Jiangsu Agricultural Sciences,2025,53(6):111-118.
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缓释氮和速效氮配施对旱地小麦光合特性、产量及品质的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第6期
页码:
111-118
栏目:
遗传育种与耕作栽培
出版日期:
2025-03-20

文章信息/Info

Title:
Effects of combined application of slow-release nitrogen and quick-available nitrogen on photosynthetic characteristics, yield and quality of dryland wheat
作者:
肖宇1徐婧1牛翠云1冯珺珩1滕霄1张庆芬2卢相义1
1.沧州市农林科学院,河北沧州 061001; 2.河北省泊头市农业农村局,河北泊头 062150
Author(s):
Xiao Yuet al
关键词:
小麦缓释氮速效氮光合作用光合特性干物质转移产量品质
Keywords:
-
分类号:
S512.106
DOI:
-
文献标志码:
A
摘要:
为探究缓释氮和速效氮肥料配施对旱地小麦的影响,2022—2023年以及2023—2024年在华北滨海地区选择沧麦6002和捷麦19为试验材料,通过随机小区试验配制缓释氮 ∶速效氮为11 ∶13(CRN1)、缓释氮 ∶速效氮为 9 ∶13 (CRN2)、缓释氮 ∶速效氮为6 ∶14(CRN3)、全缓释氮(CRN)、全速效氮(FN)等5种肥料模式,分析不同施肥处理条件下,2个旱作小麦品种在SPAD值、叶面积指数、净光合速率、干物质转移、产量和品质方面的差异。结果表明,不同处理肥料对小麦SPAD值影响在2022—2023年以及2023—2024年趋势相同。相同品种的小麦在不同处理条件下CRN1、CRN2、CRN处理的SPAD值从高到低依次为灌浆期>开花期>拔节期,CRN3和FN处理的SPAD值从高到低依次为开花期>拔节期>灌浆期;相同小麦品种在同生育期不同处理条件下SPAD值从高到低依次为CRN1>CRN2>CRN>CRN3>FN。相同品种的小麦在不同处理条件下,CRN1、CRN2、CRN3、CRN处理的净光合速率为灌浆期>开花期,FN处理的净光合速率为开花期>灌浆期;相同小麦品种在同生育期不同处理条件下开花期沧麦6002表现为CRN1>CRN2>CRN3>CRN>FN,捷麦19表现为CRN1>CRN2>CRN>CRN3>FN;灌浆期沧麦6002表现为CRN1>CRN2>CRN>CRN3>FN,捷麦19表现为CRN1>CRN2>CRN>CRN3>FN。不同处理对2个小麦品种的叶面积指数影响相同,叶面积指数(LAI)表现为开花期>拔节期>灌浆期。相同小麦品种在不同时期的叶面积指数(LAI)表现为CRN1>CRN2>CRN>CRN3>FN。2个品种花前干物质对籽粒贡献率分别为沧麦6002是27.21%~33.16%,捷麦19是2524%~34.06%;2个品种小麦不同处理花前对籽粒产量贡献率为FN>CRN3>CRN>CRN2>CRN1;花后干物质对籽粒贡献率分别为沧麦66.84%~72.79%,捷麦19是65.94%~74.76%,2个品种小麦不同处理花后对籽粒产量贡献率为CRN1>CRN2>CRN>CRN3>FN。2023—2024年,2个品种花前干物质对籽粒贡献率分别为沧麦6002是21.09%~36.10%,捷麦19是25.24%~34.06%;2个品种小麦不同处理花前对籽粒产量贡献率为FN>CRN3>CRN>CRN2>CRN1;花后干物质对籽粒贡献率分别为沧麦65.94%~74.76%,捷麦19是60.36%~77.35%,2个品种小麦不同处理花后对籽粒产量贡献率为CRN1>CRN2>CRN>CRN3>FN。2个品种的产量结果基本相同,表现为CRN1>CRN2>CRN3>CRN>FN,2022—2023年CRN1、CRN2、CRN3和CRN处理较FN处理分别增产20.05%、12.36%、980%和6.38%,2023—2024分别增产17.89%、13.89%、7.55%、3.11%。2个品种的穗粒数为CRN1>CRN2>CRN>CRN3>FN,穗数为CRN1>CRN2>CRN3>FN>CRN;千粒重没有明显的规律。不同处理条件下,2个品种小麦的淀粉含量表现为FN>CRN3>其他处理;蛋白质含量表现为CRN1>CRN2>CRN>CRN3>FN;湿面筋含量表现为CRN1>CRN2>CRN>CRN3>FN。综上,缓释氮和速效氮配施对旱地小麦的作用好于缓释氮或速效氮单独施用,能够有效促进小麦的光合作用,延缓叶片衰老,提高干物质向籽粒转移,从而提高小麦产量和品质。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2024-09-03
基金项目:2021年河北省奖后补助项目;沧州市重点研发“揭榜挂帅”项目(编号:223201001D)。
作者简介:肖宇(1984—),女,河北沧州人,硕士,副研究员,主要从事作物栽培技术研究。E-mail:xiaoyu1623@163.com。
通信作者:卢相义,硕士,助理研究员,主要从事作物栽培技术研究。E-mail:luxiangyi2013@163.com。
更新日期/Last Update: 2025-03-20