Prediction method and device of jujube fruit shrink disease

Abstract

The invention provides a peak period prediction method and device of a jujube fruit shrink disease. The method includes inputting a soil type and meteorological data in a time interval, which contains a first period of the jujube fruit shrink disease, into a support vector regression model for prediction, and obtaining prediction time of a peak period the jujube fruit shrink disease. Prediction data is enabled to be more scientific and reasonable through selecting the time interval which contains the first period of the jujube fruit shrink disease and combining the soil type and the meteorological data in the time interval, then the soil type and the meteorological data are input into the support vector regression model, and thus a prediction result of the peak period of the jujube fruit shrink disease is obtained. Jujube growers can carry out scientific prevention and cures according to the peak period, which is obtained by prediction, of the fruit shrink diseases to reduce losses; and unnecessary pesticide spraying and pesticide residues can also be reduced, effective protection of agricultural resources is facilitated, environment protection is promoted, and support is provided for automatic control of spraying equipment and efficient data analysis.

Description

technical field [0001] The invention relates to the field of prevention of agricultural diseases and insect pests, in particular to a method and device for predicting jujube fruit shrinkage disease. Background technique [0002] Jujube trees have strong adaptability to climate and soil, and are light-loving, drought-tolerant, salt-alkali-resistant, barren-resistant, and avoid excessive rain. The main limiting factor of its distribution is the temperature condition. The cultivated area of ​​jujube in my country accounts for more than 98% of the total area of ​​the world. Xinjiang is an emerging jujube-producing area. In terms of jujube cultivation, it has special advantages such as sufficient sunlight, large temperature difference between day and night, low rainfall, and few pests and diseases. It has developed rapidly in recent years. In the future, Xinjiang will become the main production base of jujube in the world. [0003] Fruit shrunken disease means that the surface o...

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