Onion Production Flashcards
(8 cards)
1
Q
Where were onions domesticated?
A
Central Asia (iran, afghanistan, india)
2
Q
What photoperiod-adapted onion is grown in MN?
A
long day (15+ hours)
3
Q
Are onions annuals or perennials?
A
THEY ARE ACTUALLY BIENNIALS (bulb forms first season, flowers second season after vernalization)
4
Q
How are onions grown commercially?
A
as an annual
5
Q
What family are onions a part of?
A
Amarillidaceae familly
6
Q
what is the per capita consumption of onions?
A
20 lbs/ year
7
Q
When should you plant onions?
A
as soon as the fields can be worked 50F
8
Q
How much N do onions need?
A
> 120 lbs/ac!! (Potassium uptake is the same!! Calcium also high)
