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Swede, Turnip and Radish Quiz
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All three crops covered in this lesson favour hot, dry summers
1 point
True
False
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What causes these vegetables to flower by early summer?
1 point
Overwatering
It’s their natural time to flower
Pest damage
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I have found there to be a significant difference in growth between F1 swede seed and open-pollinated seed.
1 point
True
False
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How many seedlings per clump do I find works best for turnips, for a plentiful harvest of medium-sized roots?
1 point
Three to four
Five to six
Two to three
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With regard to swede transplant size, I suggest that it doesn’t particularly matter as long as they are in the ground by when?
1 point
Late spring
Late summer
The time they have four true leaves
Midsummer
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What is the minimum spacing I advise for swede, to grow more root than leaf?
1 point
35 cm/14 in
15 cm/6 in
25 cm/10 in
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What spacing do I recommend for late summer plantings of turnip, in clumps of three or four?
1 point
25 cm/10 in
30 cm/12 in
20 cm/8 in
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If your climate has a particularly dry summer, what frequency of watering do I suggest for swedes, until the arrival of autumn rains?
1 point
Every two weeks
Every other day
Once a week
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What do I suggest doing, before interplanting among swedes in autumn? Choose all that apply.
1 point
Select non-brassica salad plants so as not to increase brassica pest levels
Spread compost around the swedes beforehand
Remove older leaves to open up space
Harvest every second swede to make space for the interplants
In what conditions do swede store best through winter? Choose all that apply.
1 point
Cool and damp
In darkness with leaves left on
Cool and well ventilated
With leaves removed, and some soil left on
Which pest often causes much damage, to the new leaves in particular, of all three vegetables in spring?
1 point
Caterpillars
Deer
Flea beetle
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How long do I advise keeping swede covered, to protect against Gall midge damage?
1 point
From transplanting until late summer
For the entirety of their growth
It’s actually more effective to spray Bacillus thuringiensis against the midge
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Why can no dig reduce the amount of clubroot damage? Choose three answers.
1 point
Compost kills clubroot spores
It reduces the spreading of spores through leaving them in place
Better soil health means stronger growth and more harvest, even when clubroot is present
It improves drainage (clubroot lives best in wet soils)
How long do radish seeds usually take to germinate?
1 point
Two to four days
Five to seven days
Six to nine days
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What spacing do I recommend between multisown globe radish clumps?
1 point
30 cm/12 in
15 cm/6 in
20 cm/8 in
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Why do I recommend twisting off the leaves of radish and other root vegetables, immediately after harvesting?
1 point
To reduce post-harvest pest damage
They are then easier to wash
Because they lose moisture through the leaves, causing them to soften
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I suggest not to worry about rotation after growing spring radish, given they are in the ground for such a short time.
1 point
True
False
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