To describe: The experiments that could show that
Concept introduction: Myrothecium verucaria is a common plant pathogen. It is used in the biological control of nematodes and weeds. The active molecule is diacetylverrucarol that is produced by Myrothecium verucaria. Diacetylverrucarol causes retardation of plant growth, wilting, chlorosis, and necrosis of plants. Kudzu and soybeans are included in the pea family Fabaceae. Kudzus are invasive plant species and are noxious weeds. Kudzus are perennial vines that climb over trees and shrubs. Thus, covering them densely and preventing their photosynthesis, resulting in their death. Diacetylverrucarol is an active ingredient of the pesticide against nematodes and weeds like kudzus.
Want to see the full answer?
Check out a sample textbook solutionChapter 19 Solutions
Campbell Essential Biology with Physiology (5th Edition)
- If you were tasked with developing a treatment plan consisting of the spraying of Btk (Bacillus thuringiensis kurstaki). How would you go about this? What would your spray block pattern look like? Describe how you would make this decision.arrow_forwardGive typing answer with explanation and conclusion As a consultant plant pathologist, a commercial strawberry grower has asked for advice in solving his recurring grey mold (Botrytis) problem.Discuss FOUR possible control measures you would suggest to keep this fungul pathogen under control.arrow_forwardWhat are the four phases of growth for an epidemic? Show these phases on a diagram. (Plant Pathology)arrow_forward
- Discuss how P. fluorescens can be modified to make it a more effective biocontrol agentagainst the fungal pathogen P. ultimum.arrow_forwardwhat is the usefulness of plants as a model for studying the pathogenicity of P. aeruginosaarrow_forwardSuppose you do this test on a hypothetical Staphylococcal species with the antibiotics penicillin and tetracycline. You record zone diameters of 20mm for the tetracycline disc and 25mm for the penicillin disc. Which antibiotic would be most effective against this organism? What does this tell you about comparing zone diameters to each other and the importance of the interpretive chart?arrow_forward
- Discuss how to scale up the fungal inoculum to be applied in large scale rice cultivation.arrow_forwardThe death of Geobacillus stearothermophilus spores is routinely used to assess the effectiveness of sterilization procedures. In this procedure, endospores are exposed to the sterilization process (e.g., autoclaving) and then plated on germination medium. If sterilization has been successful, no growth occurs. This requires about 2 days. Yung and Ponce have developed a new approach that yields results within 15 minutes after sterilization. Their technique is based on the release of dipicolinic acid (DPA) from the spore coat by germinating cells. DPA release is monitored microscopically after endospores are placed in media containing alanine and terbium ion (Tb31). Alanine triggers germination and Tb31 binds DPA, which then fluoresces green when illuminated with UV light. Design an experiment in which this new method could be shown to be as reliable as the culturebased approach. What other sterilization procedures besides autoclaving could this technique be used to monitor?arrow_forwardWhy is Arabidopsis thaliana a good model organism ? Why is it essential for GUS ?arrow_forward