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NRoSO / CPD Information



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NRoSO Questionnaire

JK SENIOR & SONS - TEST for 2 NRoSO points
NRoSO Reference No: NO470589g valid to 31/01/2023

To help answer the following questions, please check our observation and reports pages to research answers.

1

What pest is this found on a wheat grain?

photo for question 1 in JK Senior NRoSO test
Hover fly larvae
Orange blossom wheat midge larvae
Yellow Thrips
Fruit Fly Maggot

2

Alternatives to spraying? What depth should blackgrass seed be buried to help control?

photo for question 2 in JK Senior NRoSO test
¼ inch
Between ½ inch to 1½ inch
Over 2 inches
Any depth

3

What disease can be seen on the oil seed rape leaf?

photo for question 3 in JK Senior NRoSO test
Light leaf spot
Phoma
Alternaria
Downy Mildew

4

What pest is seen on this oil seed rape plant?

photo for question 4 in JK Senior NRoSO test
Cabbage stem flea beetle
Pollen beetle
Cabbage stem weevil
Rape winter stem Weevil

5

What aphid is this? Found in OSR

photo for question 5 in JK Senior NRoSO test
Peach potato aphid
Oil seed rape aphid
Bird cherry oat aphid
Green pea aphid

6

What has caused these symptoms in winter barley?

photo for question 6 in JK Senior NRoSO test
Fertiliser scorch
Pesticide scorch
Barley Yellow Dwarf Virus
Manganese deficiency

7

Identify this pest in an OSR stem

photo for question 7 in JK Senior NRoSO test
Cabbage stem flea beetle larvae
Gout fly larvae
Yellow cereal fly larvae
Saw fly larvae

8

Sprayer missed a strip. What disease is causing the discolouration?

photo for question 8 in JK Senior NRoSO test
Powdery mildew
Brown rust
Yellow rust
Septoria

9

What is the pest photographed?

photo for question 9 in JK Senior NRoSO test
Pollen beetle
Bean weevil
Flea beetle
Bruchid beetle

10

What has caused this to the wheat's roots

photo for question 10 in JK Senior NRoSO test
Chemical damage
Drought stress
Take all
Botrytis

11

Why is the black grass not all being killed by the spray?

photo for question 11 in JK Senior NRoSO test
Worn out spray nozzles
Forward speed to high
Incorrect mixing of chemicalMeadow grass
Resistance levels of black grass variable

12

What eggs are these on wheat?

photo for question 12 in JK Senior NRoSO test
Gout fly eggs
Wheat bulb fly eggs
Orange wheat blossom midge eggs
Caterpillar eggs

13

What was the average cost of spraying winter barley, Harvest 2021?
£123
£160
£180
£210

14

What was the average cost of spraying winter wheat, Harvest 2021?
£233
£179
£200
£195

15

What was the average cost of spraying winter OSR, Harvest 2021?
£165
£180
£163
£133