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 beet | Nemathorin |
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 <6.5 | Molybdenum |
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 germinate | Spring |
An example of a polygnum weed is: | Knotgrass |
Is common couch a perennial weed? | Yes |
What larvae are leaf miners | Fly 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 WW | GS31-32 |
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 canker | Integral 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 control | Bifenox |
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 |