Lecture 1 Flashcards
1
Q
What are the factors affecting toxicity of a plant
A
- Plant
- Animal
- Environment
2
Q
What are the plant factors affecting toxicity
A
- Parts of the plant may be toxic and others not
3
Q
What are the animal factors affecting toxicity
A
- Poor condition of animals
- Starving animals
- Animals in unfamiliar surroundings
- Leaving animals in yards where they become curious
4
Q
What are the environmental factors affecting toxicity
A
- Environmental factors such as altitude, temperature, rainfall, soil moisture, soil type, light and photoperiod
- Cloudy conditions with light rainfall tends to promote toxicity of many paints containing cyanogenic glycosides
- Plants growing on soils with high nitrogen levels often contain toxic levels of nitrates
- Plants growing on soils with high levels of selenium may accumulate selenium
5
Q
What are the 5 main components of the cost of plant poisoning
A
- Cost of death
- Reduced production of survivors of toxins
- Reduced land used caused by the presence of poisonous plants
- Veterinary cost
- Control measures
6
Q
Name the family

A
Anacardiace(cashew family)
7
Q

A
Apocynaceae (dogbane family)
8
Q

A
Aracea
9
Q

A
Asclepiadiaceae
10
Q

A
Asteraceae (daisy family)
11
Q

A
Boranginaceae (borange family)
12
Q

A
Convolvulancae family (morning glory family)
13
Q

A
Cycadaceae
14
Q

A
Euphorbiacea (spirge family)
15
Q

A
Leguminaceae
16
Q

A
Liliaceae (lily family)
17
Q

A
Malvaceae (mallow family)
18
Q

A
Myrtaceae
19
Q
A
20
Q

A
Poaceae
21
Q

A
Rubiaceae
22
Q

A
Solanaceae
23
Q

A
Verbenaceae
24
Q

A
Zygophyllaceae
25
Q
A