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朱夏童, 戚柳, 迟凯祥, 刘馨怡, 刘威, 任进, 陈翔, 李金才，郑宝强.基于Meta分析主要栽培措施对弱筋小麦产量和籽粒蛋白含量的影响[J].麦类作物学报,2025,(9):1245

基于Meta分析主要栽培措施对弱筋小麦产量和籽粒蛋白含量的影响

Effects of Main Cultivation Practices on Grain Yield and Protein Content of Weak Gluten Wheat Based on Meta-Analysis

DOI：

中文关键词: 弱筋小麦产量籽粒蛋白含量栽培措施 Meta分析

英文关键词:Weak gluten wheat Yield Grain protein content Cultivation practices Meta-analysis

基金项目:国家自然科学基金青年项目（32401954）；安徽省自然科学基金青年项目（2308085QC90）；安徽农业大学引进人才资助项目（rc312302）

作者	单位
朱夏童, 戚柳, 迟凯祥, 刘馨怡, 刘威, 任进, 陈翔, 李金才，郑宝强	(1.安徽农业大学农学院/农业部华东地区作物栽培科学观测站,安徽合肥 230036 2.江苏省现代作物生产协同创新中心,江苏南京 210095)

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中文摘要:

播期、施氮量及密度是调控弱筋小麦产量和籽粒蛋白含量的有效栽培措施，但在长江中下游地区尚缺乏整合定量研究。本研究采用Meta分析的方法定量分析了2002-2022年长江中下游地区主要栽培措施对弱筋小麦产量和籽粒蛋白含量的调控效应。播期、施氮量和密度的对照组分别为10月20日-11月6日、210~240 kg·hm^-2、180×10⁴~240×10⁴株·hm^-2。Meta分析结果表明，与对照组相比，当播期推迟14~21 d时，弱筋小麦产量显著降低，平均降幅为9.73%，而籽粒蛋白含量显著增加，平均增幅为3.87%；当施氮量减少30~240 kg·hm^-2时，产量和籽粒蛋白含量均显著降低，平均降幅分别为6.42%~51.72%、6.63%~19.13%；当密度增加30×10⁴~120×10⁴株·hm^-2时，产量显著增加，平均增幅为4.39%~7.11%，而籽粒蛋白含量显著降低，平均降幅为1.16%~3.70%。明确了不同播期、施氮量、密度下弱筋小麦产量与籽粒蛋白含量之间的关系，发现将其分别控制在10月24日-10月31日、172~186 kg·hm^-2、293×10⁴~360×10⁴株·hm^-2时，可在保障产量＞6 500 kg·hm^-2的同时籽粒蛋白含量＜11.5%，实现量质协调；此时植株群体干物质积累量于开花期和成熟期分别维持在9.7~11.3、17.5~20.1 t·hm^-2，而开花期单茎、茎、叶、穗氮含量分别维持在11.7、5.6、30.7、15.8 mg·g^-1以内。

英文摘要:

Sowing date, nitrogen rate and plant density are effective cultivation practices to regulate grain yield(GY) and protein content(GPC) in weak gluten wheat. In this study, a meta-analysis was performed on the effects of these main cultivation practices on GY and GPG of weak gluten wheat in the Middle and Lower reaches of Yangtze River using the existing literature data from 2002 to 2022. The control(CK) was selected from 20 October to 6 November for sowing date, from 210 to 240 kg·hm^-2 for nitrogen rate, and from 180×10⁴ to 240×10⁴ plants·hm^-2 for plant density, respectively. The meta-analysis showed that when the sowing date was delayed by 14-21 days, the GY of weak gluten wheat was significantly reduced by 9.73%, while the GPC was increased by 3.87%; when the nitrogen rate was reduced by 30-240 kg·hm^-2, the GY and GPC was significantly simultaneously decreased by 6.42%-51.72% and 6.63%-19.13%, respectively; when the plant density was increased by 30×10⁴-120×10⁴ plants·hm^-2, the GY was significantly improved by 4.39%-7.11%, while the GPC was decreased by 1.16%-3.70%, compared with the CK. Furthermore, the relationship between GY and GPC of weak gluten wheat was analyzed under different cultivation practices mentioned above in this region. The qualified grain quality(GPC＜11.5%) while maintaining optimum yield(GY＞6 500 kg·hm^-2) could be achieved with the sowing date from October 24 to October 31, the nitrogen rate from 172 to 186 kg·hm^-2, and the plant density from 293×10⁴ to 360×10⁴ plants·hm^-2. Correspondingly, the dry matter accumulation of weak gluten wheat ranged between 9.7 and 11.3 t·hm^-2 at anthesis as well as 17.5 and 20.1 t·hm^-2 at maturity, while the nitrogen content of single stem, stem, leaf, and ear at anthesis is maintained within 11.7, 5.6, 30.7, and 15.8 mg·g^-1.

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