A hot air treatment device for citrus huanglongbing and its application method

Abstract

The invention relates to a hot air processing device for liberibacter asiaticus comprising a transport vehicle, a processing cover, a control mechanism group, a heating device, a power supply device and a base; the base is mounted on the transport vehicle; the control mechanism group which is used for driving the processing cover to rotate, elevate or descend, and horizontally move is mounted on the base; the processing cover is mounted on the control mechanism group; the heating device which is used for providing hot air to the processing cover is mounted on the transport vehicle; the power supply device which is used for providing electric power to the hot air processing device is mounted on the transport vehicle; a blower is connected with a heater; the processing cover is provided with an air inlet and an air outlet; the heater is connected to the air inlet of the processing cover through an air inlet pipe; the blower is connected to the air outlet of the processing cover through a backwind pipe. The invention also relates to an application method of the hot air processing device. By means of the method and device, air can be heated and then is used for quick heat treatment on trees having liberibacter asiaticus in the adult-plant stage; the invention belongs to the technical field of plant protection.

Description

technical field [0001] The invention belongs to the technical field of plant protection, and in particular relates to a hot air treatment device for citrus huanglongbing and an application method thereof. Background technique [0002] At present, citrus greening disease is a devastating disease in citrus production in the world, caused by pathogenic bacteria belonging to the genus Phloembacterium. According to statistics, the citrus industry in Florida, USA was affected by Huanglongbing in 2007-2008, resulting in a total economic loss of US$8.9 billion. As the largest orange juice producing area in the world, in August 2011, about 53.4% ​​of the citrus trees in the state of Sao Paulo in Brazil were infected with Huanglongbing. Research shows that if phytosanitary control of citrus Huanglongbing is not carried out, in the next 20 years, the state will suffer from Huanglongbing. Huanglongbing will cause economic losses of 8.97 billion US dollars, while citrus production will ...

AI Technical Summary

Problems solved by technology

[0004] The Chinese invention patent with the publication number CN103404397A discloses a method for preventing and treating citrus huanglongbing by heat treatment. The method used in this invention can reduce or eliminate the number of pathogenic bacteria in diseased trees and improve the yield and quality of citrus, but it also has the following disadvantages: (1) It takes a long time for heat treatment

The whole treatment process needs to place the citrus tree body in an environment of 45-52 degrees Celsius for 2-5 hours of continuous heat treatment, continuous treatment for 3-4 weeks, the efficiency is very low

(2) Greatly affected by natural conditions

This treatment method needs to be carried out on a sunny day with a daily maximum temperature greater than 35 degrees Celsius. For some areas, this condition is not available

(3) High economic cost

Each diseased tree needs to be framed and covered with plastic film, which is a heavy economic burden for farmers

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