3. (a)
(i) Name two viral diseases of potatoes - Leaving Cert Agricultural Science - Question 3 - 2006
Question 3
3.
(a)
(i) Name two viral diseases of potatoes.
(ii) In the case of one disease state how it is spread.
(iii) Mention one method used to prevent the spread o... show full transcript
Worked Solution & Example Answer:3. (a)
(i) Name two viral diseases of potatoes - Leaving Cert Agricultural Science - Question 3 - 2006
Step 1
Name two viral diseases of potatoes.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Two viral diseases of potatoes are:
Potato leaf roll virus.
Potato mosaic virus.
Step 2
In the case of one disease state how it is spread.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The Potato leaf roll virus is primarily spread by aphids. These insects feed on the plant sap and can transmit the virus from infected plants to healthy ones.
Step 3
Mention one method used to prevent the spread of this disease.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One effective method to prevent the spread of Potato leaf roll virus is to control the aphid population through the application of insecticides or by using resistant potato varieties.
Step 4
Give two examples that show the beneficial effects of bacteria in farming.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Bacteria play a crucial role in silage making, aiding in the fermentation process that preserves fodder.
Certain bacteria contribute to nitrogen fixation in the soil, enhancing plant growth by providing essential nutrients.
Join the Leaving Cert students using SimpleStudy...
