BASIS RANDOM
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166 questions
| 🇬🇧 | 🇬🇧 |
| 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 |
| 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 |
| What capacity should the bund of a pesticide store be? | 110% of maximum holding capacity of the store |
| Angled spray nozzles are particularly useful for? | Hitting vertical targets |
| 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 |
| 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 |
| 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 |
| 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 |
| Which genotypes of Phytophphora infestans are recorded most frequently in Great Britain? | 6_A1 (pink) and 13_A2 (blue) |
| 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 |
| 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 |
| 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 |
| 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 |
| Annual Meadow Grass has: | Folded leaves, tramlines and boat shaped tips |
| 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 |
| An example of a polygnum weed is: | Knotgrass |
| What larvae are leaf miners | Fly larvae |
| The main BYDV vector in the South is? | Bird cherry aphid |
| When does Ivy-leaved speedwell mainly germinate? | Late autumn and early winter |
| When is T1 for WW | GS31-32 |
| When is T2 in WB? | GS39-59 |
| A seed treatment for reducing wheat bulb fly is: | Cypermethrin |
| A cereal pest that cocoons in the soil is? | Orange wheat blossom midge |
| A pest which can give birth to live young without the need for sexual reproduction or eggs is: | Grain aphid |
| What formulation is Clomazone (centium 360)? | Capsule suspension |
| 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 |
| 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 |
| The main vector of TuYV is? | Peach potato aphid |