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
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 3, 940 (2022)
Fig. 1. Design of test area
Fig. 2. Comparison of netphotosynthetic rates of wheat during flowering period
Fig. 3. Comparison of spectral reflectances between healthy and diseased parts in Luyuan 502, Jimai 22 and control
Fig. 4. Correlations between photosynthesis and spectral reflectance of wheat during grain filling period
(a) and milk-ripe period (b)
(a) and milk-ripe period (b)
Fig. 5. Variation of photosynthetic rate with disease index
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Table 1. List of hyperspectral parameters
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Table 2. Comparison of spectral vegetation indexes between healthy and diseased parts of wheat flag leaves
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Table 3. Photosynthetic rate inversion models by vegetation indexes for different varieties of wheat in different periods (n =180)
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