华南早晚季不同施氮水平下影响籼稻米食味的品质性状

doi:10.16819/j.1001-7216.2025.240203

中国水稻科学 ›› 2025, Vol. 39 ›› Issue (6): 832-846.DOI: 10.16819/j.1001-7216.2025.240203

华南早晚季不同施氮水平下影响籼稻米食味的品质性状

张兰兰¹, 刘迪林¹^,², 马晓智¹^,², 霍兴¹^,², 孔乐¹^,², 李金华¹^,², 付崇允¹^,², 廖亦龙¹^,², 朱满山¹^,², 曾学勤¹^,², 柳武革¹^,²^,^*(), 王丰¹^,²^,^*()

¹广东省农业科学院水稻研究所/广东省水稻科学技术重点实验室/广东省水稻工程实验室，广州 510640
²农业农村部华南优质稻遗传育种实验室(部省共建), 广州 510640

收稿日期:2024-02-04 修回日期:2024-09-10 出版日期:2025-11-10 发布日期:2025-11-19
通讯作者: * email:liuwuge1974@163.com;fwang1631@163.com
基金资助:
广州市重点研发计划资助项目(2024B03J1320);自然科学基金联合基金项目(U24A20392);省级乡村振兴战略专项资金种业振兴项目(2022-NPY-00-005);国家现代农业产业技术体系建设专项资金资助项目(CARS-01-16);广东省水稻科学技术重点实验室资助项目(2023B1212060042)

Quality Traits Affecting Eating Quality in indica Rice Under Different Nitrogen Application Levels in Early and Late Seasons in South China

ZHANG Lanlan¹, LIU Dilin¹^,², MA Xiaozhi¹^,², HUO Xing¹^,², KONG Le¹^,², LI Jinhua¹^,², FU Chongyun¹^,², LIAO Yilong¹^,², ZHU Manshan¹^,², ZENG Xueqin¹^,², LIU Wuge¹^,²^,^*(), WANG Feng¹^,²^,^*()

¹Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Key Laboratory of Rice Science and Technology/Guangdong Rice Engineering Laboratory, Guangzhou 510640, China
²Key Laboratory of Genetics and Breeding of High Quality Rice in South China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China

Received:2024-02-04 Revised:2024-09-10 Online:2025-11-10 Published:2025-11-19
Contact: * email:liuwuge1974@163.com;fwang1631@163.com

摘要/Abstract

摘要：

【目的】食味是决定稻米品质的最关键因子，但是稻米食味品质不仅取决于品种自身遗传背景，而且还受施肥和种植季节等环境因素影响。在不同种植季节和不同施氮水平下全面探讨稻米外观、加工、蒸煮营养等品质性状与食味之间的关系，可为培育不同种植条件下均能稳定表现优良食味的水稻新品种具有重要的参考意义。【方法】2021年以17个华南不同类型水稻品种(系)为供试材料，在广州早、晚两季各设置施氮量为0 kg/hm²(N0)、90 kg/hm²(N1)、135 kg/hm²(N2)和180 kg/hm²(N3)等4种不同处理，通过三因素方差分析、逐步多元回归分析和通径分析，系统探讨稻米外观、加工、蒸煮与营养等品质性状与食味之间的关系。【结果】1)垩白米率(CGR)、垩白度(CD)、胶稠度(GC)和蛋白质(PC)同时受季节、施氮量、品种、季节×施氮水平互作效应、季节×品种互作效应和季节×氮水平×品种三因素互作效应等7种因素影响，是最不稳定的性状；碱消值(ASV)则仅受季节和品种两因素的显著影响，属于最为稳定的性状；糙米率(BRR)、精米率(MRR)、米粒长宽比(LWR)、透明度(TR)和直链淀粉含量(AC)等5个均为中等不稳定性状。2)早、晚两季不同施氮处理共检测到显著影响米饭食味(TV)的品质性状11个。其中，AC和PC在早季、晚季都能重复检测到，且对TV均起负向调控作用；MRR、CGR、CD、TR和GC在晚季中重复检测到；BRR、整精米率(HRR)和ASV仅在晚季N0中检测到。3)对TV有显著影响的11个品质性状中，仅GC和LWR的直接通径系数和总体效应均为正值，即对TV起正向的调控作用；ASV和BRR尽管对TV的直接通径系数为正值，但总体效应为负值，即对TV总体起负向调控作用；其他7个性状均为TV的负向调控因子。【结论】根据这些品质性状对TV的作用大小与方向，培育高食味优质籼稻新品种应该同时具有的品质性状目标: LWR≥3.5、HRR≥58%、TR=1级、CGR≤10%、CD≤1%、AC=13%~17%、ASV≥6.0级、GC≥60 mm和精米PC≤6.4% 等。

关键词: 籼稻, 品质性状, 食味, 施氮量, 种植季节, 逐步多元回归, 通径分析

Abstract:

【Objective】 The taste of cooked rice is the most critical factor determining grain quality, which is influenced not only by the genetic background of variety but also by environmental factors such as fertilizer application rate and growing season. Systematically investigating the relationship between rice taste and other quality traits—including appearance, processing, cooking, and nutritional properties—under different nitrogen application levels and planting seasons can provide an important scientific reference for breeding new rice varieties with good taste under various production conditions. 【Method】 In 2021, 17 types of rice varieties (lines) from South China were used as test materials. Four nitrogen application treatments were applied: 0 kg/hm² (N0), 90 kg/hm² (N1), 135 kg/hm² (N2), and 180 kg/hm² (N3), in a field in both early and late seasons in Guangzhou City, Guangdong Province. Three-way ANOVA, stepwise multiple regression analysis, and path analysis were used to explore the relationship between rice taste and other major quality traits related to appearance, processing, cooking, and nutrition. 【Result】 The results showed that: (1) Chalky grain rate (CGR), chalkiness degree (CD), gel consistency (GC), and protein content (PC) were simultaneously influenced by seven factors: season, nitrogen application rate, variety, the interaction between growing season and nitrogen level, the interaction between season and variety, and the three-way interaction among growing season, nitrogen level and variety. These are the most unstable traits. In contrast, alkali spreading value (ASV) was significantly influenced only by growing season and variety, making it the most stable trait. The other six traits—brown rice rate (BRR), milled rice rate (MRR), length-to-width ratio (LWR), transparency (TR), and amylose content (AC)—exhibited moderate instability. (2) A total of 11 quality traits significantly affecting the taste value (TV) of cooked rice were identified across different nitrogen treatments in both early and late seasons. Among them, AC and PC were consistently detected in both seasons and in the comprehensive combined analysis, both exerting negative effects on TV. MRR, CGR, CD, TR and GC were repeatedly detected in the late season and in the combined analysis. BRR, head rice recovery (HRR), and ASV were only detected under the N0 treatment in the late season and in the combined analysis, respectively, while LWR was only identified in the combined analysis. (3) Among the 11 traits significantly influencing TV, only GC and LWR showed positive direct path coefficients and overall effects, indicating a positive regulatory role on TV. Although ASV and BRR exhibited positive direct path coefficients toward TV, their overall effects were negative, implying a net negative regulatory role. The other seven traits all functioned as negative regulators of TV. 【Conclusion】 Based on the magnitude and direction of the effects of these quality traits on TV, the target profile for developing new high-taste indica rice varieties should include: LWR ≥ 3.5, HRR ≥ 58%, TR = Grade 1, CGR ≤ 10%, CD ≤ 1%, AC = 13%-17%, ASV ≥ Grade 6.0, GC ≥ 60 mm, and PC of polished rice ≤ 6.4%

Key words: indica rice, quality traits, taste, nitrogen application rate, planting season, stepwise multiple regression analysis, path analysis

张兰兰, 刘迪林, 马晓智, 霍兴, 孔乐, 李金华, 付崇允, 廖亦龙, 朱满山, 曾学勤, 柳武革, 王丰. 华南早晚季不同施氮水平下影响籼稻米食味的品质性状[J]. 中国水稻科学, 2025, 39(6): 832-846.

ZHANG Lanlan, LIU Dilin, MA Xiaozhi, HUO Xing, KONG Le, LI Jinhua, FU Chongyun, LIAO Yilong, ZHU Manshan, ZENG Xueqin, LIU Wuge, WANG Feng. Quality Traits Affecting Eating Quality in indica Rice Under Different Nitrogen Application Levels in Early and Late Seasons in South China[J]. Chinese Journal OF Rice Science, 2025, 39(6): 832-846.

图/表 8

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性状 Trait	自由度 df	F	P	性状 Trait	自由度 df	F	P
季节Season				季节×施氮水平Growing season × nitrogen level
TV	1	245.07^**	0.000	TV	3	5.07^**	0.002
BRR	1	923.39^**	0.000	BRR	3	1.84	0.142
MRR	1	787.30^**	0.000	MRR	3	2.71^*	0.046
LWR	1	66.93^**	0.000	LWR	3	0.95	0.419
CGR	1	708.06^**	0.000	CGR	3	16.47^**	0.000
CD	1	601.58^**	0.000	CD	3	5.18^**	0.002
TR	1	0.21	0.647	TR	3	1.10	0.349
GC	1	44.35^**	0.000	GC	3	6.45^**	0.000
AC	1	163.66^**	0.000	AC	3	1.77	0.155
ASV	1	21.34^**	0.000	ASV	3	2.06	0.107
PC	1	27.41^**	0.000	PC	3	4.74^**	0.003
施氮水平 Nitrogen level				季节×品种 Growing season ×variety
TV	3	37.99^**	0.000	TV	15	14.83^**	0.000
BRR	3	2.70^*	0.046	BRR	15	31.81^**	0.000
MRR	3	1.21	0.307	MRR	15	29.14^**	0.000
LWR	3	9.71^**	0.000	LWR	15	3.49^**	0.000
CGR	3	4.45^**	0.005	CGR	15	53.69^**	0.000
CD	3	5.43^**	0.001	CD	15	48.79^**	0.000
TR	3	1.55	0.202	TR	15	3.00^**	0.000
GC	3	4.75^**	0.003	GC	15	6.26^**	0.000
AC	3	1.57	0.199	AC	15	9.71^**	0.000
ASV	3	1.38	0.249	ASV	15	1.28	0.213
PC	3	200.68^**	0.000	PC	15	5.72^**	0.000
氮水平×品种 Nitrogen level × variety				季节×氮水平×品种 Growing season × nitrogen level × variety
TV	45	1.85^**	0.002	TV	45	0.87	0.704
BRR	45	1.76^**	0.004	BRR	45	1.86^**	0.002
MRR	45	1.76^**	0.004	MRR	45	1.66^**	0.009
LWR	45	2.01^**	0.000	LWR	45	1.11	0.306
CGR	45	8.02^**	0.000	CGR	45	8.06^**	0.000
CD	45	10.96^**	0.000	CD	45	10.35^**	0.000
TR	45	1.56^*	0.020	TR	45	1.48^*	0.036
GC	45	2.64^**	0.000	GC	45	2.27^**	0.000
AC	45	0.89	0.677	AC	45	0.64	0.963
ASV	45	0.57	0.986	ASV	45	0.60	0.979
PC	45	1.43^*	0.048	PC	45	1.91^**	0.001
品种 Variety				品种 Variety
TV	15	170.97^**	0.000	TR	15	26.28^**	0.000
BRR	15	59.93^**	0.000	GC	15	146.91^**	0.000
MRR	15	43.93^**	0.000	AC	15	106.22^**	0.000
LWR	15	1514.20^**	0.000	ASV	15	70.39^**	0.000
CGR	15	376.41^**	0.000	PC	15	20.07^**	0.000
CD	15	122.51^**	0.000

性状 Trait	自由度 df	F	P	性状 Trait	自由度 df	F	P
季节Season				季节×施氮水平Growing season × nitrogen level
TV	1	245.07^**	0.000	TV	3	5.07^**	0.002
BRR	1	923.39^**	0.000	BRR	3	1.84	0.142
MRR	1	787.30^**	0.000	MRR	3	2.71^*	0.046
LWR	1	66.93^**	0.000	LWR	3	0.95	0.419
CGR	1	708.06^**	0.000	CGR	3	16.47^**	0.000
CD	1	601.58^**	0.000	CD	3	5.18^**	0.002
TR	1	0.21	0.647	TR	3	1.10	0.349
GC	1	44.35^**	0.000	GC	3	6.45^**	0.000
AC	1	163.66^**	0.000	AC	3	1.77	0.155
ASV	1	21.34^**	0.000	ASV	3	2.06	0.107
PC	1	27.41^**	0.000	PC	3	4.74^**	0.003
施氮水平 Nitrogen level				季节×品种 Growing season ×variety
TV	3	37.99^**	0.000	TV	15	14.83^**	0.000
BRR	3	2.70^*	0.046	BRR	15	31.81^**	0.000
MRR	3	1.21	0.307	MRR	15	29.14^**	0.000
LWR	3	9.71^**	0.000	LWR	15	3.49^**	0.000
CGR	3	4.45^**	0.005	CGR	15	53.69^**	0.000
CD	3	5.43^**	0.001	CD	15	48.79^**	0.000
TR	3	1.55	0.202	TR	15	3.00^**	0.000
GC	3	4.75^**	0.003	GC	15	6.26^**	0.000
AC	3	1.57	0.199	AC	15	9.71^**	0.000
ASV	3	1.38	0.249	ASV	15	1.28	0.213
PC	3	200.68^**	0.000	PC	15	5.72^**	0.000
氮水平×品种 Nitrogen level × variety				季节×氮水平×品种 Growing season × nitrogen level × variety
TV	45	1.85^**	0.002	TV	45	0.87	0.704
BRR	45	1.76^**	0.004	BRR	45	1.86^**	0.002
MRR	45	1.76^**	0.004	MRR	45	1.66^**	0.009
LWR	45	2.01^**	0.000	LWR	45	1.11	0.306
CGR	45	8.02^**	0.000	CGR	45	8.06^**	0.000
CD	45	10.96^**	0.000	CD	45	10.35^**	0.000
TR	45	1.56^*	0.020	TR	45	1.48^*	0.036
GC	45	2.64^**	0.000	GC	45	2.27^**	0.000
AC	45	0.89	0.677	AC	45	0.64	0.963
ASV	45	0.57	0.986	ASV	45	0.60	0.979
PC	45	1.43^*	0.048	PC	45	1.91^**	0.001
品种 Variety				品种 Variety
TV	15	170.97^**	0.000	TR	15	26.28^**	0.000
BRR	15	59.93^**	0.000	GC	15	146.91^**	0.000
MRR	15	43.93^**	0.000	AC	15	106.22^**	0.000
LWR	15	1514.20^**	0.000	ASV	15	70.39^**	0.000
CGR	15	376.41^**	0.000	PC	15	20.07^**	0.000
CD	15	122.51^**	0.000

性状(代号) Traits(Code)	N0		N1		N2		N3
性状(代号) Traits(Code)	偏回归系数 PRC	P	偏回归系数PRC	P	偏回归系数PRC	P	偏回归系数PRC	P
糙米率 BRR (X₁)	1.495	0.582	0.222	0.786	1.151	0.088	0.261	0.685
精米率 MRR (X₂)	−0.279	0.871	−0.104	0.816	−0.877^*	0.025	−0.030	0.940
米粒长宽比 LWR (X₄)	3.620	0.331	2.104	0.280	2.405	0.167	1.725	0.188
垩白粒率 CGR (X₅)	0.028	0.879	0.005	0.924	−0.088	0.168	−0.086	0.165
垩白度 CD (X₆)	0.124	0.731	−0.027	0.815	0.239^*	0.023	0.245^*	0.016
透明度 TR (X₇)	−2.085	0.494	0.058	0.965	−1.856	0.091	−0.430	0.657
胶稠度 GC (X₈)	0.045	0.614	0.016	0.793	−0.058	0.210	−0.062	0.339
直链淀粉含量AC(X₉)	−1.600^*	0.021	−1.431^**	0.000	−1.663^**	0.000	−1.608^**	0.000
碱消值 ASV (X₁₀)	1.287	0.515	0.409	0.422	−0.244	0.630	−0.167	0.722
蛋白质 PC (X₁₁)	−4.112	0.276	−5.706^**	0.000	−4.832^**	0.001	−4.889^**	0.000

性状(代号) Traits(Code)	N0		N1		N2		N3
性状(代号) Traits(Code)	偏回归系数 PRC	P	偏回归系数PRC	P	偏回归系数PRC	P	偏回归系数PRC	P
糙米率 BRR (X₁)	1.495	0.582	0.222	0.786	1.151	0.088	0.261	0.685
精米率 MRR (X₂)	−0.279	0.871	−0.104	0.816	−0.877^*	0.025	−0.030	0.940
米粒长宽比 LWR (X₄)	3.620	0.331	2.104	0.280	2.405	0.167	1.725	0.188
垩白粒率 CGR (X₅)	0.028	0.879	0.005	0.924	−0.088	0.168	−0.086	0.165
垩白度 CD (X₆)	0.124	0.731	−0.027	0.815	0.239^*	0.023	0.245^*	0.016
透明度 TR (X₇)	−2.085	0.494	0.058	0.965	−1.856	0.091	−0.430	0.657
胶稠度 GC (X₈)	0.045	0.614	0.016	0.793	−0.058	0.210	−0.062	0.339
直链淀粉含量AC(X₉)	−1.600^*	0.021	−1.431^**	0.000	−1.663^**	0.000	−1.608^**	0.000
碱消值 ASV (X₁₀)	1.287	0.515	0.409	0.422	−0.244	0.630	−0.167	0.722
蛋白质 PC (X₁₁)	−4.112	0.276	−5.706^**	0.000	−4.832^**	0.001	−4.889^**	0.000

处理 Treatment	性状 Trait	直链淀粉含量 AC	蛋白质含量 PC	总体效应 Overall effect
N0	直链淀粉含量 AC	−0.850	—	−0.850
N1	直链淀粉含量 AC	−0.768	−0.025	−0.793
	蛋白质含量 PC	−0.050	−0.388	−0.438
N2	直链淀粉含量 AC	−0.786	0.035	−0.751
	蛋白质含量 PC	0.073	−0.380	−0.307
N3	直链淀粉含量 AC	−0.817	0.006	−0.811
	蛋白质含量 PC	0.013	−0.389	−0.376

华南早晚季不同施氮水平下影响籼稻米食味的品质性状

Quality Traits Affecting Eating Quality in indica Rice Under Different Nitrogen Application Levels in Early and Late Seasons in South China

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Metrics

处理 Treatment	性状 Trait	糙米率 BRR	精米率 MRR	整精米率 HRR	垩白粒率 CGR	透明度 TR	胶稠度 GC	碱消值 ASV	总体效应 Overall effect
N0	糙米率 BRR	4.668	−3.999	−0.455	−0.261	−0.109	0.113	−0.127	−0.170
	精米率 MRR	4.645	−4.019	−0.473	−0.237	−0.104	0.092	−0.111	−0.207
	整精米率 HRR	3.823	−3.420	−0.556	−0.061	−0.046	0.024	−0.021	−0.257
	垩白粒率 CGR	1.989	−1.555	−0.056	−0.613	−0.109	−0.129	−0.035	−0.508
	透明度 TR	2.301	−1.885	−0.116	−0.301	−0.222	0.043	−0.143	−0.323
	胶稠度 GC	1.032	−0.723	−0.026	0.154	−0.019	0.510	−0.246	0.682
	碱消值 ASV	−1.736	1.310	0.034	0.063	0.093	−0.367	0.342	−0.261
处理 Treatment	性状 Trait	胶稠度 GC		直链淀粉含量 AC		蛋白质含量 PC		总体效应 Overall effect
N1	胶稠度GC	0.418		0.335		−0.003		0.750
	直链淀粉含量AC	−0.336		−0.417		0.073		−0.680
	蛋白质含量PC	0.003		0.076		−0.400		−0.321
处理 Treatment	性状 Trait	胶稠度 GC		蛋白质含量 PC				总体效应 Overall effect
N2	胶稠度GC	0.741		−0.072				0.669
	蛋白质含量PC	0.182		−0.294				−0.112
处理 Treatment	性状 Trait	垩白粒率 CGR		胶稠度 GC		蛋白质含量 PC		总体效应 Overall effect
N3	垩白粒率CGR	−0.278		−0.073		−0.053		−0.404
	胶稠度GC	0.030		0.666		0.082		0.778
	蛋白质含量PC	−0.040		−0.149		−0.368		−0.557

性状(代号) Traits(Code)	N0		N1		N2		N3
性状(代号) Traits(Code)	偏回归系数Partial regression coefficient	显著性 P	偏回归系数Partial regression coefficient	显著性 P	偏回归系数Partial regression coefficient	显著性 P	偏回归系数Partial regression coefficient	显著性 P
糙米率 BRR (X1)	1.151	0.152	−0.328	0.298	0.519	0.122	0.008	0.979
精米率 MRR (X2)	−1.543	0.081	0.190	0.581	−0.979^*	0.011	−0.223	0.537
米粒长宽比 LWR (X4)	−0.993	0.523	1.007	0.248	0.440	0.660	1.653^*	0.045
垩白粒率 CGR (X5)	0.002	0.979	0.039	0.329	−0.157^**	0.004	−0.102^*	0.031
垩白度 CD (X6)	−0.227	0.263	−0.199^*	0.012	0.201^*	0.041	0.203^*	0.023
透明度 TR (X7)	−3.322^*	0.014	0.230	0.775	−1.273	0.093	0.137	0.843
胶稠度 GC (X8)	0.065	0.174	0.127^**	0.000	0.118^**	0.000	0.157^**	0.000
直链淀粉含量AC (X9)	−0.867^**	0.001	−0.853^**	0.000	−0.779^**	0.000	−0.514^**	0.005
碱消值 ASV (X10)	−0.297	0.554	0.378	0.202	0.187	0.563	0.296	0.283
蛋白质含量 PC (X11)	−4.318^**	0.000	−5.794^**	0.000	−6.528^**	0.000	−6.132^**	0.000

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[11]	陈涛, 赵庆勇, 朱镇, 赵凌, 姚姝, 周丽慧, 赵春芳, 张亚东, 王才林. 利用分子标记辅助选择培育优良食味、低谷蛋白香粳稻新品系[J]. 中国水稻科学, 2023, 37(1): 55-65.
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性状(代号) Traits(Code)	N0		N1		N2		N3
性状(代号) Traits(Code)	偏回归系数PRC	P	偏回归系数 PRC	P	偏回归系数 PRC	P	偏回归系数 PRC	P
糙米率 BRR (X₁)	3.420^**	0.000	0.193	0.796	2.171^**	0.008	0.727	0.336
精米率 MRR (X₂)	−3.565^**	0.000	−0.266	0.751	−2.325^*	0.011	−0.868	0.347
整精米率 HRR (X₃)	−0.494^**	0.010	−0.021	0.894	−0.531^*	0.044	−0.067	0.782
米粒长宽比 LWR (X₄)	−0.032	0.981	1.815	0.051	1.375	0.320	1.470	0.151
垩白粒率 CGR (X₅)	−0.375^*	0.019	−0.009	0.948	−0.235	0.177	−0.199^*	0.026
垩白度 CD (X₆)	0.783	0.226	0.157	0.764	0.505	0.502	0.514	0.107
透明度 TR (X₇)	−2.977^**	0.008	−0.459	0.600	−1.746	0.162	−0.787	0.240
胶稠度 GC (X₈)	0.186^**	0.002	0.187^**	0.000	0.140^**	0.010	0.193^{* *}	0.000
直链淀粉含量AC (X₉)	0.134	0.695	−0.418^*	0.037	−0.376	0.190	0.085	0.616
碱消值 ASV (X₁₀)	0.857^*	0.025	0.555	0.116	0.357	0.340	−0.012	0.963
蛋白质 PC (X₁₁)	−1.176	0.282	−4.034^**	0.000	−7.060^**	0.000	−4.863^**	0.000

性状(代号) Traits(Code)	N0		N1		N2		N3
性状(代号) Traits(Code)	偏回归系数PRC	P	偏回归系数 PRC	P	偏回归系数 PRC	P	偏回归系数 PRC	P
糙米率 BRR (X₁)	3.420^**	0.000	0.193	0.796	2.171^**	0.008	0.727	0.336
精米率 MRR (X₂)	−3.565^**	0.000	−0.266	0.751	−2.325^*	0.011	−0.868	0.347
整精米率 HRR (X₃)	−0.494^**	0.010	−0.021	0.894	−0.531^*	0.044	−0.067	0.782
米粒长宽比 LWR (X₄)	−0.032	0.981	1.815	0.051	1.375	0.320	1.470	0.151
垩白粒率 CGR (X₅)	−0.375^*	0.019	−0.009	0.948	−0.235	0.177	−0.199^*	0.026
垩白度 CD (X₆)	0.783	0.226	0.157	0.764	0.505	0.502	0.514	0.107
透明度 TR (X₇)	−2.977^**	0.008	−0.459	0.600	−1.746	0.162	−0.787	0.240
胶稠度 GC (X₈)	0.186^**	0.002	0.187^**	0.000	0.140^**	0.010	0.193^{* *}	0.000
直链淀粉含量AC (X₉)	0.134	0.695	−0.418^*	0.037	−0.376	0.190	0.085	0.616
碱消值 ASV (X₁₀)	0.857^*	0.025	0.555	0.116	0.357	0.340	−0.012	0.963
蛋白质 PC (X₁₁)	−1.176	0.282	−4.034^**	0.000	−7.060^**	0.000	−4.863^**	0.000

处理 Treat- ment	性状 Trait						总体效应 Overall effect
N0		透明度 TR	直链淀粉含量AC	蛋白质含量PC
	透明度 TR	−0.251	−0.091	−0.027			−0.369
	直链淀粉含量AC	−0.036	−0.629	0.022			−0.643
	蛋白质含量PC	−0.019	0.038	−0.354			−0.335
N1		垩白度CD	胶稠度GC	直链淀粉含量AC	蛋白质含量PC
	垩白度CD	−0.331	0.061	0.046	0.004		−0.220
	胶稠度GC	−0.065	0.309	0.366	−0.021		0.589
	直链淀粉含量AC	0.031	−0.231	−0.490	0.039		−0.651
	蛋白质含量PC	0.003	0.015	0.043	−0.451		−0.390
N2		精米率MRR	垩白粒率CGR	胶稠度GC	直链淀粉含量AC	蛋白质含量PC
	精米率MRR	−0.285	−0.090	−0.025	0.058	0.048	−0.294
	垩白粒率CGR	−0.093	−0.277	−0.041	−0.067	0.054	−0.424
	胶稠度GC	0.027	0.041	0.273	0.289	−0.081	0.549
	直链淀粉含量AC	0.038	−0.043	−0.181	−0.436	0.084	−0.538
	蛋白质含量PC	0.031	0.034	0.050	0.084	−0.440	−0.241
N3		长宽比 LWR	胶稠度GC	蛋白质含量PC
	长宽比LWR	0.404	0.038	−0.070			0.372
	胶稠度GC	0.026	0.590	−0.006			0.610
	蛋白质含量PC	0.057	0.007	−0.495			−0.431

处理 Treat- ment	性状 Trait						总体效应 Overall effect
N0		透明度 TR	直链淀粉含量AC	蛋白质含量PC
	透明度 TR	−0.251	−0.091	−0.027			−0.369
	直链淀粉含量AC	−0.036	−0.629	0.022			−0.643
	蛋白质含量PC	−0.019	0.038	−0.354			−0.335
N1		垩白度CD	胶稠度GC	直链淀粉含量AC	蛋白质含量PC
	垩白度CD	−0.331	0.061	0.046	0.004		−0.220
	胶稠度GC	−0.065	0.309	0.366	−0.021		0.589
	直链淀粉含量AC	0.031	−0.231	−0.490	0.039		−0.651
	蛋白质含量PC	0.003	0.015	0.043	−0.451		−0.390
N2		精米率MRR	垩白粒率CGR	胶稠度GC	直链淀粉含量AC	蛋白质含量PC
	精米率MRR	−0.285	−0.090	−0.025	0.058	0.048	−0.294
	垩白粒率CGR	−0.093	−0.277	−0.041	−0.067	0.054	−0.424
	胶稠度GC	0.027	0.041	0.273	0.289	−0.081	0.549
	直链淀粉含量AC	0.038	−0.043	−0.181	−0.436	0.084	−0.538
	蛋白质含量PC	0.031	0.034	0.050	0.084	−0.440	−0.241
N3		长宽比 LWR	胶稠度GC	蛋白质含量PC
	长宽比LWR	0.404	0.038	−0.070			0.372
	胶稠度GC	0.026	0.590	−0.006			0.610
	蛋白质含量PC	0.057	0.007	−0.495			−0.431