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WorksheetsRoot System and Soil Health Quiz
Total questions: 10
Worksheet time: 5mins
What is the primary function of roots in a tree's root system?
To produce fruit
To provide shade
To take up nutrients and water from the soil
To repel pests
Which pathogen is historically the most damaging to citrus roots?
Diaprepes root weevil
Burrowing nematode
Phytophthora spp.
Citrus root pests
What soil pH level can lead to rapid leaching of nutrients?
Above 7.0
Below 5.5
Exactly 6.0
Between 6.5 and 7.0
What percentage of fibrous roots is concentrated in the top 10 inches of the wetted zone under the canopy in micro-sprinkler irrigation systems?
50%
60%
80%
90%
What is a recommended pH range for soil to avoid additional stress on the root system?
4.5 to 5.5
5.0 to 6.0
6.5 to 5.8
6.5 to 5.8
What is a potential consequence of pot-bound root systems?
Enhanced growth
Increased fruit production
Structural roots causing tree stunting and decline
Improved disease resistance
What is the first step in managing root health in existing groves?
Apply chemical treatments
Identify the problems present in the grove
Increase irrigation
Plant new trees
Why is it important to monitor Phytophthora spp. in groves?
They improve soil fertility
They can damage leaves on trees
They are beneficial for root growth
They are damaging to roots
What is a potential consequence of overacidification of soil?
Increased root density
Release of toxic metals
Improved nutrient uptake
Enhanced microbial activity
What is the ideal pH range for Swingle rootstock?
4.5 to 5.5
5.5 to 6.5
6.5 to 7.5
7.5 to 8.5
