Study on Relationship Between Photosynthetic Rate and Hyperspectral Indexes of Wheat Under Stripe Rust Stress

Xiao-yan ZHANG; Xue-hui HOU; Meng WANG; Li-li WANG; Feng LIU

doi:10.3964/j.issn.1000-0593(2022)03-0940-07

Spectroscopy and Spectral Analysis, Volume. 42, Issue 3, 940(2022)

Study on Relationship Between Photosynthetic Rate and Hyperspectral Indexes of Wheat Under Stripe Rust Stress

Xiao-yan ZHANG*... Xue-hui HOU, Meng WANG, Li-li WANG*; and Feng LIU*; |Show fewer author(s)

Author Affiliations

Institute of Agricultural Information and Economics, Shandong Academy of Agricultural Sciences, Jinan 250100, China

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Abstract Get PDF(in Chinese)

Figures & Tables(8)

Fig. 1. Design of test area

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Fig. 2. Comparison of netphotosynthetic rates of wheat during flowering period

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Fig. 3. Comparison of spectral reflectances between healthy and diseased parts in Luyuan 502, Jimai 22 and control

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Fig. 4. Correlations between photosynthesis and spectral reflectance of wheat during grain filling period
(a) and milk-ripe period (b)

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Fig. 5. Variation of photosynthetic rate with disease index

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Table 1. List of hyperspectral parameters
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Table 1. List of hyperspectral parameters
光谱
参数名称公式参考
文献
RVI 比值植被指数 R₈₉₀/R₆₇₀ [10]
PRI 光化学反射指数 (R₅₇₀-R₅₃₁)/(R₅₇₀+R₅₃₁) [11]
PSRI 植被衰减指数 (R₆₈₀-R₅₀₀)/R₇₅₀ [12]

Table 2. Comparison of spectral vegetation indexes between healthy and diseased parts of wheat flag leaves

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Table 2. Comparison of spectral vegetation indexes between healthy and diseased parts of wheat flag leaves

生育时期	植被指数	CK			LY502			JM22
生育时期	植被指数	正常	病斑	变化率/%	正常	病斑	变化率/%	正常	病斑	变化率/%
	光化学反射指数(PRI)	0.067	0.075	11.985	0.063	0.079	25.654	0.064	0.073	14.488
抽穗期	植被衰减指数(PSRI)	-0.007	0.195	-2 932.241	-0.014	0.093	-767.632	-0.003	0.120	-3 696.717
	比值植被指数(RVI)	5.220	2.625	-49.703	4.588	1.624	-64.599	4.217	1.961	-53.484
	光化学反射指数(PRI)	0.033	0.088	165.959	0.068	0.104	52.062	0.017	0.116	577.593
开花期	植被衰减指数(PSRI)	0.004	0.217	6 008.530	0.000	0.068	16 763.491	-0.029	0.099	-445.024
	比值植被指数(RVI)	4.015	1.297	-67.697	4.793	2.640	-44.911	8.937	2.825	-68.393
	光化学反射指数(PRI)	0.077	0.131	69.581	0.046	0.096	107.798	0.035	0.147	316.813
灌浆期	植被衰减指数(PSRI)	0.031	0.210	579.788	-0.010	0.114	-1 260.853	-0.028	0.224	-890.043
	比值植被指数(RVI)	3.313	1.329	-59.880	5.041	1.369	-72.846	6.987	2.047	-70.706
	光化学反射指数(PRI)	0.035	0.144	316.924	0.037	0.142	281.707	0.038	0.138	263.449
乳熟期	植被衰减指数(PSRI)	0.004	0.232	5 336.592	-0.034	0.214	-724.544	-0.057	0.358	-728.083
	比值植被指数(RVI)	4.953	1.865	-62.347	3.653	1.408	-61.452	3.495	1.613	-53.844

Table 3. Photosynthetic rate inversion models by vegetation indexes for different varieties of wheat in different periods (n=180)

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Table 3. Photosynthetic rate inversion models by vegetation indexes for different varieties of wheat in different periods (n=180)

生育时期	品种	植被指数	模型	R²
抽穗期		光化学反射指数(PRI)	y=5 846.0x²-711.60x+37.43	0.914^**
	CK	植被衰减指数(PSRI)	y=-76 960x³-16 153x²-7.90x+17.91	0.446
		比值植被指数(RVI)	y=4.128x³-68.02x²+369.9x-647.2	0.982^**
		光化学反射指数(PRI)	y=51 426x²-6 343x+220.3	0.614
	JM22	植被衰减指数(PSRI)	y=19 716x³+5 157x²-110.8x+26.76	0.385
		比值植被指数(RVI)	y=-16.25x³+208.3x²-868.5x+1 197	0.889^**
		光化学反射指数(PRI)	y=-1 037x²+136x+13.62	0.018
	LY502	植被衰减指数(PSRI)	y=-6 182x²-103.7x+18.13	0.542
		比值植被指数(RVI)	y=-0.48x²+4.282x+8.709	0.516
	扬花期		光化学反射指数(PRI)	y=3×10⁷x³-3×10⁶x²+92 373.0x-959.1	0.911^**
		CK	植被衰减指数(PSRI)	y=16 040x²-115.8x+16.71	0.685
		比值植被指数(RVI)	y=3.549x²-29.19x+77.32	0.154
		光化学反射指数(PRI)	y=87.55x+16.16	0.942^**
JM22		植被衰减指数(PSRI)	y=119.2x+21.11	0.822^*
		比值植被指数(RVI)	y=0.679x²-11.41x+64.48	0.975^**
		光化学反射指数(PRI)	y=879.1x²-79.49x+16.39	0.992^**
LY502		植被衰减指数(PSRI)	y=30 811x³-3 565x²-143.6x+17.07	0.999^**
		比值植被指数(RVI)	y=1.368x²-14.310x+52.1	0.812^*
灌浆期			光化学反射指数(PRI)	y=-1 624x²+315.7x-0.927	0.850^*
		CK	植被衰减指数(PSRI)	y=-378.4x²+72.52x+11.48	0.992^**
		比值植被指数(RVI)	y=-0.283x+12.96	0.674
		光化学反射指数(PRI)	y=-67 648x³+6 588x²-182.5x+25.49	0.892^**
	JM22	植被衰减指数(PSRI)	y=-4 028x²-232.6x+21.28	0.799^**
		比值植被指数(RVI)	y=6.802x³-145x²+1 029x-2 409	0.453
		光化学反射指数(PRI)	y=-1×+10⁷x³+2×10⁶x²-81 017x+1 208	0.543
	LY502	植被衰减指数(PSRI)	y=56 186x³-4 964x²-403.9x+25.38	0.745^*
		比值植被指数(RVI)	y=3.914x²-38.36x+113.9	0.684
	乳熟期		光化学反射指数(PRI)	y=-6 537x²+483.1x+0.058	0.683
		CK	植被衰减指数(PSRI)	y=90 000x³-9 628x²-159.7x+8.29	0.558
		比值植被指数(RVI)	y=-35.37x³+514.4x²-2 481x+3 976	0.369
		光化学反射指数(PRI)	y=-182.1x+15.57	0.855^*
JM22		植被衰减指数(PSRI)	y=18 482x²+2 041x+64.33	0.703^*
		比值植被指数(RVI)	y=57.67x²-404.4x+716.3	0.881^*
		光化学反射指数(PRI)	y=72 512x²-5 243x+100.2	0.784^*
LY502		植被衰减指数(PSRI)	y=8 251x²+508.3x+13.47	0.733^*
		比值植被指数(RVI)	y=-6.779x²+49.46x-81.37	0.545

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Xiao-yan ZHANG, Xue-hui HOU, Meng WANG, Li-li WANG, Feng LIU. Study on Relationship Between Photosynthetic Rate and Hyperspectral Indexes of Wheat Under Stripe Rust Stress[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 940

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Paper Information

Category: Orginal Article

Received: Feb. 19, 2021

Accepted: Mar. 25, 2021

Published Online: Apr. 19, 2022

The Author Email: ZHANG Xiao-yan (239491965@qq.com)

DOI:10.3964/j.issn.1000-0593(2022)03-0940-07

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. List of hyperspectral parameters

Table 1. List of hyperspectral parameters

Table 2. Comparison of spectral vegetation indexes between healthy and diseased parts of wheat flag leaves

Table 2. Comparison of spectral vegetation indexes between healthy and diseased parts of wheat flag leaves

Table 3. Photosynthetic rate inversion models by vegetation indexes for different varieties of wheat in different periods (n=180)

Table 3. Photosynthetic rate inversion models by vegetation indexes for different varieties of wheat in different periods (n=180)

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