Concept explainers
a.
To discuss: The experimental outcomes of a potted plant brought from the nursery and to identify the possibilities if the brown spot was because of nutrient deficiency or a disease;
Introduction: Plants require essential nutrients for their growth and development. Physiological plant disorders lacking nutrients affect the functioning of the plants rather than plant diseases caused by various pathogens such as a bacterium, virus or
b.
To create: The fungal resistant plants assuming that the spots are caused by a fungus.
c.
To identify: The plant characteristic for absence of spots in the infected plant.
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