The invention belongs to a near-
infrared spectrum
phenotype analysis technology in the field of agricultural breeding, and discloses a corn near-
infrared multi-environment yield prediction method and
system based on spectrum structure and character adaptive gating. The method aims at solving the problems that in the prior art, the relation between spectrum segments is not modeled, the sensitivity difference of characters and environments to wavelengths is difficult to distinguish, physical priori and multi-environment constraints are lacked, and consequently the prediction precision and
interpretability of complex characters are insufficient, and an efficient and low-cost tool is provided for multi-environment
phenotype selection and corn breeding
decision making. The method comprises the core steps of data preprocessing, multi-scale spectral feature embedding,
spectrogram construction and graph attention coding,
feature fusion, character adaptive
wavelength gating, multi-task regression, physical constraint model training prediction and the like. The
system is composed of a corresponding function module and a training and
model management module, key spectrum information can be fully mined, and a high-precision result can be stably output. The method can be used for multi-environment yield and quality prediction, online near-
infrared monitoring and
phenotype selection
decision making of crops such as corn, can also be popularized to multi-mode breeding
big data analysis and
spectrograph waveband optimization, and is good in interpretation and wide in application prospect.