the most common plant defects and their causes

Plant structure and appearance varies throughout a plant's lifecycle. It is natural for leaves to brown and fall and it is not uncommon for fruits and flowers to vary in size and shape. However, there is a range of factors that can lead to more intensive damage and irregularities. These factors are known as plant …

10 common plant disease symptoms

Loss of Turgor Pressure (decrease in water pressure within plant cell walls) Causes: abiotic factors, bacteria, fungi, nematodes, insects Examples: Ralstonia solanacearum, Verticillium dahliae, Bursaphelenchus xylophilus   Enations (scaly leaflike structures that lack a vascular system) Causes: viruses Examples: Cherry raspberry leaf virus, Pea enation mosaic virus   Stunting (dwarfing or loss of vigor) Causes: …

question: what is the difference between plant resistance and plant tolerance?

Plant tolerance is the characteristic of a plant that allows a plant to avoid, tolerate or recover from attacks from insects, among other things, under conditions that would typically cause a greater amount of injury to other plants of the same species. These inheritable characteristics are what influence the ultimate degree of damage caused by …

a brief introduction to plant diseases

A disease, as it relates to plants, is a disturbance from plant pathogens or environmental factors that interfere with plant physiology.  When a disease is present, plants will express symptoms. Symptoms are the detectable expression of a disease, pest or environmental factor.  These symptoms are usually the result of complex physiological disturbances.  They result in changes …