With frequent occurrence and severe harm of vegetable
insect pests, agricultural benefits are reduced and
consumer health is threatened because of improper
insect pest diagnosis and control measures. The improvement of
insect pest control level can guarantee large-scale plantation, high yield and high quality of vegetables, and an
insect pest diagnosis
expert system can assist in diagnosing insect pests and relieving the contradiction of low quality of agricultural planting personnel and insufficient
plant protection experts. Aiming at vegetable
insect pest occurrence characteristics, by simulating an analysis mode of
insect pest diagnosis of
plant protection experts, fully considering ways of thinking of users and adopting a case-based reasoning mechanism, an insect pest diagnosis
expert system constructing method comprising contents of new case generation, case
library construction, insect pest symptom weight calculation, case retrieval and match, human-
machine interactive interface and the like is created and a vegetable insect pest diagnosis
expert system taking the method as a core is constructed. Moreover, due to an online edition, a standalone version and a personal digital assistant (PDA) version of the vegetable insect pest diagnosis expert
system, multi-channel insect pest diagnosis information
technical service is provided for users with different requirements.