26 Flashcards
Whats more adaptable to changing climate and why, push-pull or pesticides?
Push-pull since we actually use biological stuff
One of the strongest pull systems?
Silver Leaf Desmodium as double-edged biocontrol agent
If you can move away from a plant and go to the next plant, does push pull systems effectively work?
No, it does not
Corn plants under push pull systems do what if they are grown in push pull soil in buckets?
Increase the concentration of chemicals involved in damaged plants. This is a measure of plant resistance as fewer insects consume leaf area. Moreover, it will then take longer for caterpillars to transition to an adult, so they will stay in the predator vulnerable state for longer.
Direct plant to plant interactions will happen if you?
First out them together, however if they just grow together, then
What if it is not only push and pull?
•VOC-mediated plant-to-plant interaction
•Different plant community affects soil microbes and thus crop plant chemistry.
•Desmodium root chemistry is including responses in miaze/sorgbum (e,g., plants can actually take up chemistry from other plants.
•Increased soil quality
•Inhibitions of weeds and parasitic plants.
!!!Three concepts of push-pull? 3•
•Due to the ecological processes, interacting in a complex manner functional intercropping an have diverse functions as emergent as enterprise
•In push pull systems based on functional intercropping multiple layered mechanisms of action are likely to make the technology so efficient and sustainable as control against multiple pests
Moving target hypothesis?
plant variability rather than the production of defense secondary metabolites provides defense
Chemical information hypothesis?
Information transfer allows plants to adaptively adjust phenotype
Salicylates inhibit?
Jasmonate and ethylene production
Octadecanoid pathway?
A pathway that eventually produces Jasmonic acid that alters gene expression and thus release secondary metabolites and defense proteins.
prostaglandin pathway?
A pathway that aids in the healing of tissue damage and control processes such as inflammation and blood clots.
Volatile organic compounds (VOCs) are example of?
information mediating chemicals
Can herbivores use VOCs produced by damaged plants to their benefit?
Yes, some moths for example use VOCs to avoid damaged plants for oviposition
Is VOC release correlated with production of defense compounds?
Yes