Explain the mechanism that allows assimilates and viruses to travel through phloem sieve tubes to other areas of the plant.

Q: Name 1 budding inhibitor and the virus it is used to treat. How does it work?

A: Although there are presently no medications in clinical trials that target HIV budding, antivirals…

Q: Write viral transmission and molecular biology of plant virus.

A: The majority of viruses that cause illness in plants are spread via insect vectors from infected to…

Q: Micropropagation can be achieved by (A) Self-pollination (B) Asexual reproduction (C) Tissue culture…

A: The clonal propagation of plants in closed vessels under aseptic conditions is known as…

Q: Illustrate the ID scheme of the pathogenic staph

A: Microbiology is the study of microorganisms and associated ideas. Microbiology has gone a long way…

Q: Give the scientific name of a plant which came to India as a contaminant with imported wheat and…

A: Commonly known as, carrot grass is a plant that produces allelopathic chemical responsible for the…

Q: What are the signs of pathogens in plants? Define and give examples.

A: Pathogens can be defined as disease-causing organisms. In plants, various types of organisms like…

Q: Distinguish between biotrophic and necrotrophic plant pathogens.

A: The plant pathogen is the organism that causes the disease on a plant. However the relatives of some…

Q: What do plant pathogens and parasite have in common?

A: Plant pathogens are those cause disease in plants.examples include Bacteria, Protozoa,Fungi etc.…

Q: Explain further the role of tyloses in plant defense system and disease development?

A: Introduction :- Plants have an intact and impermeable barrier made up of bark and a waxy cuticle as…

Q: is the relationship that both the microorganism and the host benefit. Saprophytes Mutualism…

A: It is obvious that in nature animals plants and microbes do not and cannot live in isolation but…

Q: Explain what happens when a pathogen enters a plant’s tissues.

A: Answer- The plants lack well organized immune system.

Q: Why is it especially important for plant viruses that they remain stable outside the plant?

A: Plant viruses are the viruses that affect plants, these are obligate intracellular parasites without…

Q: Compare plant-pathogenic bacteria and fungi in terms of ecology and spread.

A: Plant pathology is the scientific study of diseases in plants caused by pathogens and environmental…

Q: rite Transmission symptomatology of virus infected plant

A: A small collection of genetic code, either DNA or RNA, surrounded by a protein coat is known as the…

Q: difference between a virus with broad tropism and a virus with narrow tropism and what causes this…

A:

Q: Name of diseases of viruses plant diseases and their scientific name

A: Viruses are non living.they cause various diseases and they infect the plants,animals and bacteria…

Q: How do most plant viruses enter plants?

A: Viruses are very very small particle that are not considered living as they don't have their own…

Q: Plant viruses (a) typically cause rapid death of infected plants (b) are mainly retroviruses (c) can…

A: Answer is e.) Can be transmitted from one generation to the next to infected seeds.

Q: What are the two general ways by which plant pathogens gain entry into the host plant tissue? What…

A: The organisms that enter the body of a plant (host) and affect the normal plant physiology by their…

Q: Discuss the role of botanist in plant diseases management methods like systemic resistance,…

A: Plant diseases can be easily controlled by taking few measures by the farmer. By using…

Q: principle of a plant virus that transmits through an animal vector

A: A virus is a small microscopic infectious microbe that is non-living until and unless it finds a…

Q: Give some example of plant viruses.

A: A pathogen is an organism that causes disease. A pathogen may also be referred to as an infectious…

Q: Discuss in details, the adaptations that Orobanchaceae (plant) has evolved to invade and manipulate…

A: Introduction Orobanchaceae:- It is a family of mostly parasitic plants of the order Lamiales, It is…

Q: Indicate which response would be most important for each pathogen attack. A fungus that can attack…

A: Hypersensitive response- It is a mechanism used by the plants to prevent the spread of infection by…

Q: Discuss how researchers determined that TMV is a virus that causes damage to plants.

A: TMV (tobacco mosaic virus) is a positive-sense single stranded RNA virus. It infects a wide variety…

Q: What are metabolism of virus infected plant?

A: Plants can be infected by viruses. It all may start with an insect bite. The virus only has to reach…

Q: Give example of plant viral diseases.

A: Plant viruses are usually rod-shaped. Most of them contain nucleic acid in the form of RNA.

Q: A botanist notices that a tomato plant looks diseased. How could the botanist confirm that the agent…

A: Viroids considered as the smallest infectious plant  pathogens .are composed solely of a short…

Q: Indoor plants have poor arbuscular mycorrhizal colonization as compare to plants grown in open area.…

A: The cortical cells of the roots of the plant are penetrated by a type of symbiotic fungus that is…

Q: Contrast the two nutritional options for Euglena

A: Euglena is a unicellular organism which belongs to kingdom protista. Euglena shows characteristics…

Q: Virus may have a broad or a narrow tropism. Explain what this means.

A: A virus is a tiny piece of genetic material, such as DNA or RNA, encased in a protein coat. A virus…

Q: Explain the molecular/cellular basis for a host rejecting the graftand a graft rejecting the host.

A: The transplantation is defined as the process of transfer of living organ or tissue from one part of…

Q: What are the advantages of applying a fungicide to seeds? Would it be better to apply a contact…

A: The prospective performance of a seed batch is defined by seed quality. Seed quality is affected by…

Q: Pathologists always say in case of plant viral diseases not to target message (virus) but the…

A: Plant viral diseases are caused by plant viruses. These viruses enter the plant cell with the help…

Q: explain how does koch's postulates apply to the diagnosis of plant virus diseases today.

A: Robert Koch was a German physician who lived from 1843 until 1910. He is a microbiologist from the…

Q: A plant which grow on another plant without apparent harm to the host plant is called

A: In plant communities, plants are able to interact with other plant in either positive, negative or…

Q: testing fungal effectors for their ability to either promote or block a

A: Effectors either induce the virulence of fungi that are pathogenic or allow symbionts to associate…

Q: Use examples to distinguish between the types of vectors, and discuss the importance of zoonoses.

A: Vector is a live animal that transmits an infectious agent from one host to another. The majority of…

Q: What is the effect of the plant pathogen to the infected or diseased plant?

A: The plants are formed of roots, stem, leaves, fruits and flowers. The conduction system in plants is…

Q: Contrast horizontal and vertical transmission of virusesin plants.

A: The mode of transmission of viruses differs from organism to organism. It is transmitted by the bite…

Q: Discuss, the adaptations that downy mildew (plant) has evolved to invade and manipulate the hosts…

A: Downy mildew  Is a fungal infection. Causative agent : phylum Oomycota    Environmental condition…

Q: Diagram the plant general infection process. Explain each stages.

A: Plant pathology is the branch of science that studies the causes, mechanisms, and control mechanisms…