some major insect like :
Aphid
Fruit fly
Whitefly
Red pumpkin beetle
Fruitborer
Semilooper
Podborer
Shhot and fruit borer
Spotted beetle
Stem borer
Lacewing bug
Leafhopper
Leafminor
thrips
Hi Devendra, I highly recommend checking information from Dr. Mike Smith at Kansas State University. He has written several books about plant resistance and measurements of resistance
https://books.google.com.co/books?id=lx9ZYmn1yVYC&pg=PA155&lpg=PA155&dq=smith+mike+insect+plant+resistance+damage+score&source=bl&ots=OWs63I0S0I&sig=Zs4XeoL443IdpANt_-Ijo3VHeoI&hl=en&sa=X&ved=0CCUQ6AEwAWoVChMI1oHQ1ceNyAIVxqYeCh27tQgc#v=onepage&q=smith%20mike%20insect%20plant%20resistance%20damage%20score&f=false
Hi,
I don't know your entire crops list just a little regarding tomatoes. I think you must precise your objectives regarding scientific topics (population dynamics, factors affecting the widespread of a pest on a crop, biotic interaction between main pests, etc.) or production and protection topics (monitoring of the sanitary state of the crop, decision aid process, etc.)
Regarding the Scientifics topics you should be more exhaustive when you monitor pests or there damages, to be sure to record the good and necessaries data. You will certainly obtain big data set!
Regarding monitoring data for decision aid process (context of production) you must decrease the precision to have more frequent information (to adapt frequencies of observations to outbreaks risks). In my mind the best way is to adapt the observation regarding the different levels of the product quality for commercial aspect (impact on the yield, aesthetic impact for commercial possibilities).
Of course it is better to have correlation between precise density of a pest and its damage scale. You should have to perform both monitoring on enough plants (and levels of infestations) to obtain the link between the both in your context.
We try to adapt this type of global monitoring for decision aid process in ornamental crops under greenhouses in France :
https://www.researchgate.net/publication/49824864_Realistic_Global_Scouting_for_Pests_and_Diseases_on_Cut_Rose_Crops
https://www.researchgate.net/publication/228002347_Spatiotemporal_analysis_of_plant_pests_in_a_greenhouse_using_a_Bayesian_approach
Maybe you can find some idea in these.
Article Realistic Global Scouting for Pests and Diseases on Cut Rose Crops
Article Spatio‐temporal analysis of plant pests in a greenhouse usin...
If your interest to increase productivity by monitoring these insects we must take into consideration that all these insects are listed cause direct and indirect damage (transmission plant pathogens). To this end the damage level varies according to the aspect to be evaluated. Another problem is that the production is carried out in a greenhouse or in plantation areas. Knowing this, one can start drafting a damage scale. There are some already calculated, mainly for control performed in greenhouses.
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