Loose material nematodosis early diagnosis method
A technology for pine wood nematode disease and early diagnosis, applied in the field of early diagnosis of pine wood nematode disease
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[0023] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0024] Example pine wood nematode early diagnosis method
[0025] The schematic flow chart of the early diagnosis modeling and prediction (diagnosis) method for pine wood nematode disease provided by this example is as follows figure 1 shown. The specific method includes the following four steps:
[0026] (1) Use a near-infrared spectrometer to collect near-infrared spectra from the pine needles of early-infected (experimental group) pine trees, and at the same time collect near-infrared spectra from pine needles from uninfected (control group) pine trees. The two sets of spectral data constitute the training set;
[0027] (2) According to the near-infrared spectral data of the training set, a discrimination model of pine wood nematode disease was established, and the critical point and discrimination threshold of the model were dete...
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