Control Measures in Plant Disease Management

Loss of monetary value of the commodity as a result of injury by the pest (e.g., spoilage, reduction in yield, loss of quality)

The number of organisms that an ecosystem can sustainably support

The host, the pathogen, the environment

<p>The point at which the cost of controlling a pest is equal to the value of the damage it causes</p> Signup and view all the answers

<p>The minimum number of insects that will cause economic damage</p> Signup and view all the answers

<p>Primary factors: Injury units per insect per production unit, Damage per unit injury, Crop susceptibility to injury, Cost of management per area, Market value per unit of production; Secondary factors: Host damage-insect injury relationship; Tertiary factors: Weather, Soil factors, Biotic factors, Human-social environment</p> Signup and view all the answers

<p>IPM is a sustainable approach that combines biological, cultural, physical, and chemical tools to manage pests efficiently.</p> Signup and view all the answers

<p>Quarantine measures help prevent the introduction and spread of exotic pests and diseases.</p> Signup and view all the answers

<p>Action threshold for pest management, the density of pest population at which control measures need to be started to prevent reaching EIL</p> Signup and view all the answers

<p>Pests and pathogens exhibit genetic variability that influences their interactions with host plants.</p> Signup and view all the answers

<p>To prevent the pest population from reaching Economic Injury Level (EIL)</p> Signup and view all the answers

<p>Plant diseases can cause crop losses ranging from a few percent to complete failure in severe cases.</p> Signup and view all the answers

<p>Measures taken to prevent incidence of a disease, reduce the amount of inoculum that initiates the spread of disease, and minimize the loss caused by the disease.</p> Signup and view all the answers

<p>Any species, strain, or biotype of plant, animal, or pathogenic agent that is injurious to plants or plant products.</p> Signup and view all the answers

<p>Maintaining injurious pest organisms at lower population densities, below the economic injury level.</p> Signup and view all the answers

<p>By eliminating the interaction between a susceptible host, a virulent pathogen, and suitable environmental conditions.</p> Signup and view all the answers

<p>Climate, mortality, natality, growth and condition of food plant, and competition with natural enemies or within the same species.</p> Signup and view all the answers

<p>Injury is the physical harm or destruction to a valued commodity caused by pests, while damages are the economic losses incurred as a result of pest activities.</p> Signup and view all the answers