Unit 6 - Soil & growth media
Term for nutrients needed in the highest concentration
What is primary macronutrients?
What is soil pH?
Three primary macronutrients
What are Nitrogen, Phosphorus, and Potassium?
Limiting weed infestations by including several methods is called what?
IPM - Integrated Pest Management or IWM
Tough outer body wall of an insect
What is the exoskeleton
A disease causing microorganism
Term for immediate plant death caused by a sudden change
Direct impact
Resulting or relating to living organisms within an ecosystem
What is biotic
DOUBLE JEOPARDY!
The essential elements that plants need to grow
What are nutrients?
Fertilizer that contains equal amounts of nitrogen, potassium, and phosphorous
Term for a plant's ability to survive and reproduce after applying herbicides
What is tolerance?
3 Stage of incomplete metamorphosis in order
egg, nymph, and adult
Term for physical evidence of a plant disease
What are signs
What happens to a plant when the temperature reaches above 86 degrees F?
Photosynthesis shuts down
Essential nutrient that is not available in sufficient amounts
3 Soil particle sizes
What are sand, silt, and clay
What is chlorosis?
The three R's when applying fertilizer to maximize the benefit?
What is right time, right amount, and right place
Farmers till their soil annually disturbing the soil and introducing these back to the surface (9.1)
What are dormant weed seeds
Name of the middle section of the insect
What is the thorax
When a disease attempts to establish itself within the hog by spreading is called?
Colonization
Perlite, vermiculite, sand
4 stages of complete metamorphosis in order
Egg - larva - pupa - adult
Calcium, magnesium, and Sulphur are known as what kind of nutrients?
What are secondary macronutrients?
Term for when a plant first turns brown and then dies
What is necrosis
Fertilizer containing only one or two of the major elements
Incomplete fertilizer
Movement of pesticides through air to an unintended target
What is drift?
What happens to most insects after reproducing
death
A visible effect of disease on the plant
What are symptoms ?
Term for when plant slowly declines over time due to changes in the environment
What is indirect impact
Term for when water drains through the soil and only the remaining water can resist the pull of gravity.
What is field capacity ?
Material added to the soil to improve the physical properties
What are soil admendments?
This nutrient provides the bright green color to leaves
What is nitrogen?
Term for the numerical representation of the three primary macronutrients contained on the package
What is the fertilizer grade?
Describe the 4 characteristics of weeds?
DOUBLE JEOPARDY
- Abundant seed production
- Quick to establish a thriving population
- Long Seed dormancy
- Adaption for spread in the environment
What are thrips known for
Transmitting tomato spotted wilt virus
Term for when pathogens that feed on the food that the plant produces
Parasitism
The 5 properties of plant containers
DOUBLE JEOPARDY!
-Material
- Size
-Color
-Drainage
- Weight
What is the abdomen