Wild Radish - Unit 3 AOS2

Question 1

What type of root system?

Answer 1

tap root

Question 2

Stem?

Answer 2

bluish green covered in prickly hair

green/red towards the bottom

Question 3

Flowers?

Answer 3

White or pale yellow sometimes purple

Question 4

what family?

Answer 4

Brassicacea

Question 5

How is the seed spread?

Answer 5

Spread by water, through contaminated soils, fodder, seeds or harvested cereals

Question 6

When does the seed germinate?

Answer 6

autumn/winter

soil disturbance promotes germination

seeds can germinate when soil has good moisture

areas of high rainfall - late spring early summer

will flower anytime, depends on when the plant germinated.

Question 7

how do the seeds spread?

Answer 7

Spread through water

through contaminated soil, fodder, seeds or harvested cereals.

Question 8

physical controls

Answer 8

tillage - reduces germination with depth of see. can encourage germination and then could use a herbicide.

tillage - manipulation of sil to a desired condition

Question 9

chemicals controls