SEARCH
You are in browse mode. You must login to use MEMORY

   Log in to start

level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
The current legislation regarding the control of the 'potato cyst nematode' (PCN) stipulates which one of these conditions:All land that is used to grow seed for commercial sale must be free from PCN
The mode of action of the herbicide Diflufenican is:Residual
Home sown seed of field beans should be tested for?Ascochyta and stem nematode
How can cabbage root fly be effectively culturally controlled?Delayed drilling
A disease affecting OSR with resting spores that can survive in the soil for many years is?Clubroot
Which type of fire extinguisher should always be present at a pesticide store?Dry Powder
How long must the walls of a pesticide store be fire resistant for?30 minutes
What capacity should the bund of a pesticide store be?110% of maximum holding capacity of the store
For a given volume of liquid when the droplet size is halved the number of drops goes up by a factor of?8
Pesticide labels specify the QUALITY of the spray required. As operating pressure is increased the QUALITY of the spray produced:Becomes finer
Angled spray nozzles are particularly useful for?Hitting vertical targets
Overdosing of pesticides BETWEEN nozzles on the spray boom may be due to:Boom set too high
Which major UK weed is NOT scheduled in the Cereal Seeds Regulations for special standards in cereal seed?Blackgrass
Which of the cereal diseases would NOT normally be controlled by rotational means?Rust
Seed treatments containing which active ingredients will provide some control of Take-all in cereals:Silthiofam
Wheat bulb fly eggs are laid?On bare soil in July and August.
Barley yellow dwarf virus becomes LESS important for a Winter drilled wheat crop when:The crop is sown later.
Which two diseases are included in the UK seed certification scheme for cereals?Ergot and loose smut
'Take-all decline' is caused by which factors?An accumulation of antagonists
Brome in oats can be controlled by:Cultural controls only
Crown Rust is a disease of which cereal crop?Oats
Which of the following seed treatments active ingredients has activity on wireworm?Tefluthrin
How can wireworm be chemically controlled in potatoes and sugar beetNemathorin
Pyrethroid resistant pollen beetle in oilseed rape can be controlled using which of the following?Indoxacarb
Anti-Cholinesterase compounds include:Organophosphates/carbamates
Thiacloprid is an insecticide belonging to the:Neo-nicotinoid group
What must be carried on a vehicle whenever it is transporting pesticides?An eyewash irrigator
What is the mode of action of Propyzamide?Residual
Unless otherwise specified on the label the correct order of tank mixing for the following formulations is:Water dispersible granule, suspension concentrate, emulsifiable concentrate, micro-nutrient
The threshold number of slugs per trap in winter cereals is?4
The threshold number of slugs per trap in potatoes is?1
A barley crop shows a yellowing of the tips of the youngest leaves followed by a spiralling of the leaves. Later on, the awns of barley become white and brittle. Which of the following nutrients is most likely to be deficient?Copper
Which micro-nutrient is most likely to be less available to plants in soils where the pH <6.5Molybdenum
Which crop likely is the most susceptible to sulphur deficiency?Winter Oilseed rape
Select one option from below which reflects the standard maximum allowance of loose smut on winter wheat?0.5%
Which genotypes of Phytophphora infestans are recorded most frequently in Great Britain?6_A1 (pink) and 13_A2 (blue)
Which field crop does the pathogen Mycosphaerella pinodes infect?Combining peas
What is the correct description of the seed colour for the timing of the application of glyphosate as a desiccant in oilseed rape?When most pods in middle third of the stem are yellow and most of the seeds within are redish brown
Brassica pod midge enter the pods through holes caused by:Seed weevil
The sclerotia produced by Sclerotinia stem rot in oilseed rape may remain viable in the soil for:7 - 10 years
The treatment threshold for pea and bean weevil is:30 weevils per trap on any one recording day, and crops have just emerged or are likely to emerge within next 10 days
The target plant population for winter beans is:18 plants/m2
Which of the following can be used post emergence to control thistles in combining peas?Tropotox (MCPB)
Which of the following can be used post emergence to control thistles in spring beans?None of the above
Aphids belong to which insect group?Hemiptera
Which insecticides has the pollen beetle developed resistance?Lambda-cyhalothrin
Stunted yellow patches 0.5m in diameter, visible in the Spring, in an early sown winter wheat crop are most likely to be the result of?BYDV
A persistant aphid-carried virus is one which:Persists in the salivary glands of the insect usually for the rest of its life
Oospores of Phytophthora infestans (causal pathogen of late blight in potatoes) are produced by:Sexual reproduction
Leaf roll of potatoes is a virus which is:A persistent aphid-carried virus which can therefore be quite readily controlled by insecticides.
Warnings of weather conditions favourable for the development of potato blight (Hutton Criteria) are based on:6 hours on two consecutive days with a minimum temperature of 10 degrees C and at least 90% relative humidity, ending at 0900hrs
The optimum pH for a potato crop is:5.5
Marsh spot in peas is a symptom of?Manganese deficiency
Clopyralid is recommended in sugar beet for the control of?Thistles, mayweeds and volunteer potatoes
Docking disorder of sugar beet is a condition caused by?Feeding by free-living nematodes on sandy soils
It is possible to tell sugar beet seed treatments by:The colour of the seed coating
Which weed seeds is NOT forced into dormancy by ploughing down below 15cm?Winter wild oat
Annual Meadow Grass has:Folded leaves, tramlines and boat shaped tips
Which of the following weeds is commonly regarded as an indicator of soil acidity?Corn marigold
Which of the following cereal herbicides would provide the best control of field pansy in the Autumn?Diflufenican
A grass weed has a red stem base and the youngest leaf is folded as it emerges from the plant. What grass is it?Perennial ryegrass
When does black bindweed germinateSpring
An example of a polygnum weed is:Knotgrass
Is common couch a perennial weed?Yes
What larvae are leaf minersFly larvae
In OSR, pale leaf lesions dotted with black pycnidia are symptoms of:Phoma
The main BYDV vector in the South is?Bird cherry aphid
When does Ivy-leaved speedwell mainly germinate?Late autumn and early winter
Does an orange wheat blossom midge larvae have head and legs?No
When is T0 for WW?GS30
When is T1 for WWGS31-32
When is T2 for WW?GS39
When is T3 for WW?GS59
When is T1 in WB?GS31
When is T2 in WB?GS39-59
What type of fungicide is Bixafen?SDHI
A seed treatment for reducing wheat bulb fly is:Cypermethrin
Applying nitrogen fertilizer early in spring for wheat is an integrated management approach for what disease?Take-all
Pyrethroid resistance is expressed by which aphid mainly?Grain aphid
A rotation which includes vining peas may increase risk of which pest?Wheat bulb fly
There are legal limits in certified barley seed for levels of infection by?Loose smut
A cereal pest that cocoons in the soil is?Orange wheat blossom midge
Production of fungal poisons (mycotoxins) is a concern relating to what disease?Fusarium
A pest which can give birth to live young without the need for sexual reproduction or eggs is:Grain aphid
A disease which completes its life cycle many times each season is?Yellow rust
What formulation is Clomazone (centium 360)?Capsule suspension
Brassica pod midge eggs are deposited into OSR pods via holes made by what?Seed weevil
Are there AHDB RL ratings for Sclerotinia?No
What is the optimum GAI for rape at early flowering?3.5
A triazole fungicide with significant growth regulatory effect in OSR is?Metconazole
A pest larvae found feeding in OSR stems in December has an orange-brown head. What is it?Rape winter stem weevil
Name an OSR seed treatment to reduce stem cankerIntegral pro
Label advice for Kerb flo to not apply until soil temperatures (30cm) are below?10 degrees
Carbetamide (crawler) must not be applied later than when?End of February
An OSR herbicide active substance that does not feature on the Water Protection Advice Sheet is:Clomazome
Name a herbicide with an EAMU in OSR for charlock controlBifenox
Contans WG is a biological control for what OSR disease?Sclerotinia
An insecticide product that would give effective control of pollen beetles which exhibit Kdr would be:Indoxacarb
The main vector of TuYV is?Peach potato aphid
An OSR disease which is commonly seed borne is?Alternaria