Evaluation of Leaf Spectra (150-1100 nm) in Tetraploid Rice and Their Spontaneously Reverted Diploid Counterparts

doi:10.1016/j.rsci.2026.04.002

Abstract

Árpád Székely, Tímea Szalóki, Ildikó Kolozsvári, Aftab Jamal, Mihály Jancsó. Evaluation of Leaf Spectra (150-1100 nm) in Tetraploid Rice and Their Spontaneously Reverted Diploid Counterparts[J]. Rice Science, 2026, 33(3): 292-296.

Figures/Tables 2

References 27

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Parameter	Year	1080/10/26					1083/22/26					1087/8/35
Parameter	Year	UV-C	UV-B	UV-A	VIS	NIR	UV-C	UV-B	UV-A	VIS	NIR	UV-C	UV-B	UV-A	VIS	NIR
Pearson
Seedling	2023	0.705	0.247	0.913	0.994	0.943	0.784	0.385	0.955	0.989	0.998	0.840	0.534	0.956	0.991	0.982
	2025	0.965	0.934	0.965	0.997	0.983	0.962	0.939	0.968	0.996	0.999	0.714	0.778	0.932	0.994	0.993
Flag leaf	2022	0.958	0.941	0.881	0.995	0.987	0.980	0.859	0.869	0.996	0.999	0.965	0.936	0.975	0.999	0.999
	2023	0.938	0.891	0.988	0.998	0.991	0.945	0.879	0.980	0.999	0.967	0.977	0.857	0.964	1.000	0.989
	2024	0.964	0.876	0.969	0.994	0.999	0.981	0.968	0.987	0.999	0.988	0.985	0.960	0.986	0.996	0.997
Laboratory		0.821	0.908	0.937	0.995	nd	0.735	0.738	0.952	0.992	nd	0.930	0.853	0.961	0.950	nd
Mean		0.892	0.799	0.942	0.996	0.981	0.898	0.794	0.952	0.995	0.990	0.902	0.820	0.962	0.988	0.992
Root-mean-square error
Seedling	2023	0.735	0.723	0.269	0.168	0.214	0.597	0.636	0.220	0.126	0.138	0.421	0.368	0.147	0.109	0.114
	2025	0.248	0.282	0.180	0.066	0.053	0.309	0.368	0.176	0.024	0.084	0.714	0.912	0.562	0.077	0.371
Flag leaf	2022	0.122	0.161	0.100	0.122	0.070	0.075	0.095	0.061	0.060	0.012	0.176	0.145	0.064	0.073	0.026
	2023	0.322	0.329	0.107	0.089	0.084	0.232	0.219	0.103	0.032	0.162	0.173	0.219	0.090	0.071	0.051
	2024	0.114	0.130	0.067	0.062	0.028	0.064	0.100	0.043	0.061	0.070	0.061	0.093	0.053	0.074	0.056
Laboratory		0.087	0.317	0.170	0.106	nd	0.129	0.523	0.220	0.126	nd	0.067	0.265	0.192	0.309	nd
Mean		0.271	0.324	0.149	0.102	0.090	0.234	0.324	0.137	0.072	0.093	0.269	0.334	0.185	0.119	0.124
Spectral angle mapper
Seedling	2023	85.747	67.250	14.872	4.651	9.596	76.573	63.234	12.842	2.084	3.142	37.656	23.083	6.315	3.972	4.867
	2025	12.263	13.348	13.445	2.234	5.002	14.325	15.363	13.254	1.210	1.908	32.817	47.776	52.232	1.997	6.144
Flag leaf	2022	5.177	3.005	3.621	7.522	3.336	2.792	3.051	2.690	2.294	0.566	11.226	5.019	3.425	1.003	0.644
	2023	46.128	33.842	5.610	2.374	3.594	23.898	31.506	6.390	1.370	9.170	12.288	9.338	4.667	1.171	2.563
	2024	6.122	5.900	2.984	1.897	0.688	4.612	5.835	1.890	3.656	3.194	4.803	5.794	2.026	4.559	2.182
Laboratory		27.980	24.687	8.722	5.837	nd	49.853	44.841	12.541	7.024	nd	19.488	29.661	9.722	17.297	nd
Mean		30.570	24.672	8.209	4.086	4.443	28.676	27.305	8.268	2.940	3.596	19.713	20.112	13.065	5.000	3.280

Parameter	Year	1080/10/26					1083/22/26					1087/8/35
Parameter	Year	UV-C	UV-B	UV-A	VIS	NIR	UV-C	UV-B	UV-A	VIS	NIR	UV-C	UV-B	UV-A	VIS	NIR
Pearson
Seedling	2023	0.705	0.247	0.913	0.994	0.943	0.784	0.385	0.955	0.989	0.998	0.840	0.534	0.956	0.991	0.982
	2025	0.965	0.934	0.965	0.997	0.983	0.962	0.939	0.968	0.996	0.999	0.714	0.778	0.932	0.994	0.993
Flag leaf	2022	0.958	0.941	0.881	0.995	0.987	0.980	0.859	0.869	0.996	0.999	0.965	0.936	0.975	0.999	0.999
	2023	0.938	0.891	0.988	0.998	0.991	0.945	0.879	0.980	0.999	0.967	0.977	0.857	0.964	1.000	0.989
	2024	0.964	0.876	0.969	0.994	0.999	0.981	0.968	0.987	0.999	0.988	0.985	0.960	0.986	0.996	0.997
Laboratory		0.821	0.908	0.937	0.995	nd	0.735	0.738	0.952	0.992	nd	0.930	0.853	0.961	0.950	nd
Mean		0.892	0.799	0.942	0.996	0.981	0.898	0.794	0.952	0.995	0.990	0.902	0.820	0.962	0.988	0.992
Root-mean-square error
Seedling	2023	0.735	0.723	0.269	0.168	0.214	0.597	0.636	0.220	0.126	0.138	0.421	0.368	0.147	0.109	0.114
	2025	0.248	0.282	0.180	0.066	0.053	0.309	0.368	0.176	0.024	0.084	0.714	0.912	0.562	0.077	0.371
Flag leaf	2022	0.122	0.161	0.100	0.122	0.070	0.075	0.095	0.061	0.060	0.012	0.176	0.145	0.064	0.073	0.026
	2023	0.322	0.329	0.107	0.089	0.084	0.232	0.219	0.103	0.032	0.162	0.173	0.219	0.090	0.071	0.051
	2024	0.114	0.130	0.067	0.062	0.028	0.064	0.100	0.043	0.061	0.070	0.061	0.093	0.053	0.074	0.056
Laboratory		0.087	0.317	0.170	0.106	nd	0.129	0.523	0.220	0.126	nd	0.067	0.265	0.192	0.309	nd
Mean		0.271	0.324	0.149	0.102	0.090	0.234	0.324	0.137	0.072	0.093	0.269	0.334	0.185	0.119	0.124
Spectral angle mapper
Seedling	2023	85.747	67.250	14.872	4.651	9.596	76.573	63.234	12.842	2.084	3.142	37.656	23.083	6.315	3.972	4.867
	2025	12.263	13.348	13.445	2.234	5.002	14.325	15.363	13.254	1.210	1.908	32.817	47.776	52.232	1.997	6.144
Flag leaf	2022	5.177	3.005	3.621	7.522	3.336	2.792	3.051	2.690	2.294	0.566	11.226	5.019	3.425	1.003	0.644
	2023	46.128	33.842	5.610	2.374	3.594	23.898	31.506	6.390	1.370	9.170	12.288	9.338	4.667	1.171	2.563
	2024	6.122	5.900	2.984	1.897	0.688	4.612	5.835	1.890	3.656	3.194	4.803	5.794	2.026	4.559	2.182
Laboratory		27.980	24.687	8.722	5.837	nd	49.853	44.841	12.541	7.024	nd	19.488	29.661	9.722	17.297	nd
Mean		30.570	24.672	8.209	4.086	4.443	28.676	27.305	8.268	2.940	3.596	19.713	20.112	13.065	5.000	3.280

Evaluation of Leaf Spectra (150-1100 nm) in Tetraploid Rice and Their Spontaneously Reverted Diploid Counterparts

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