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Dynamic early warning method and device for wheat scab

A technology for wheat head blight and head blight, applied in the field of information processing, can solve problems such as difficulty in improving prediction accuracy and difficulty in large-scale promotion, and achieve the effects of accurate time positioning, improved prediction accuracy, and excellent universality

Pending Publication Date: 2020-10-13
AEROSPACE INFORMATION RES INST CAS
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Problems solved by technology

It is difficult to improve the prediction accuracy by only using the growth environment information to predict the virus, and it is not easy to promote in a large area due to the limitation of the number and location of weather stations

Method used

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  • Dynamic early warning method and device for wheat scab
  • Dynamic early warning method and device for wheat scab
  • Dynamic early warning method and device for wheat scab

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0054]The terms "first" and "second" in the specification and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or apparatus comprising a series of steps or units is not defined by listed steps or un...

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Abstract

The invention discloses a dynamic early warning method and device for wheat scab. Meteorological characteristics corresponding to the heading period and the flowering period of the wheat are extractedaccording to the wheat growth data in the historical period; and the meteorological characteristics are screened by using the correlation information to obtain wheat meteorological interpretation factors, wheat scab spectral interpretation factors are determined by using the target data, and finally wheat scab disease prediction data are obtained through prediction by combining the wheat meteorological interpretation factors and the wheat scab spectral interpretation factors. According to the method, the comprehensiveness of wheat scab explanation factors is combined, information on a long-time sequence of remote sensing data is considered, and time positioning of meteorological data is more accurate, so that the method has better universality, and the prediction precision is improved.

Description

technical field [0001] The invention relates to the technical field of information processing, in particular to a dynamic early warning method and device for wheat scab. Background technique [0002] Wheat head blight is a typical meteorological crop disease, and suitable temperature, rainfall, rainfall days, and relative humidity before and after wheat heading-flowering period are the dominant factors for the growth and reproduction of head blight. Based on the above principles, there have been studies on constructing relevant meteorological models to predict the occurrence or severity of wheat scab. [0003] The current research mainly includes the following aspects: according to the onset and growth period of wheat (before and after flowering), multiple meteorological factors are selected for combination, and the meteorological data of 7 days before flowering and 10 days after flowering are calculated respectively, and a prediction model is constructed. The results show t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/02G01N21/25
CPCG06Q10/04G06Q50/02G01N21/25G01N2021/1797A01G22/20A01B79/005G01N2021/8466G06V20/194G06V20/188Y02A90/10G01N21/01G01J2003/2826
Inventor 肖颖欣董莹莹黄文江刘林毅阮超李雪玲叶回春
Owner AEROSPACE INFORMATION RES INST CAS
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