Theses and Dissertations - UTRGV

Date of Award


Document Type


Degree Name

Master of Science (MS)



First Advisor

Dr. Rupesh Kariyat

Second Advisor

Dr. Teresa Patricia Feria Arroyo

Third Advisor

Dr. Matthew Terry


Chapter 2: In this chapter we have examined the role of trichomes in plant stress biology, reviewed the studies on herbivore X trichome interactions, and their role in plant defences. Ultimately, we have proposed new areas of research for future work.

Chapter 3: In this chapter, we examined whether AMF has cascading effects on insect community dynamics through attraction/repulsion of beneficial and damaging insects using Sorghum-sudangrass (Sorghum x drummondii), either inoculated with commercial AMF mix or left as control in lab and field experiments. Our results suggest positive effects of AMF on plant growth, and a lower initial incidence of fall armyworm (Spodoptera frugiperda), a major herbivore on Sorghum in the region. Besides, AMF inoculated plants attracted significantly more beneficial insects (predators and parasitoids) and a lower number of damaging herbivores. Therefore, our data suggests that AMF can have implications for sustainable pest management strategies.


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