Maintaining Plant Health at University Of Bristol | Flashcards & Summaries

Lernmaterialien für Maintaining Plant Health an der University of Bristol

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Grey mould: damage caused, method of spread and two avoidance strategies.

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Infects stems, leaves and buds with a grey, furry mould that kills the area and eventually spreads through the plant, killing it too.

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How can lacewings be encouraged, how they could be disturbed by garden practices, and how to restore and maintain the natural balance to minimize the need for pesticides.

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Grow plants that are high in nectar, and create places where they can hibernate in overwinter such as piles of logs

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Chemical control of P&D

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The use of a chemical substance to control and/or kill a distructive weed, pests and diseases e.g. glyphosate

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How do weeds cause problems?

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They compete for nutrients, water and light for plants that are more desirable

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Biological control of P&D

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Non-toxic to humans, wildlife and pets, numbers of predators and parasites increase naturally, a balanced population can be reached and there can be no build up of resistance to disease

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How can hoverflies be encouraged, how they could be disturbed by garden practices, and how to restore and maintain the natural balance to minimize the need for pesticides.

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They lay their eggs in aphid colonies and their grubs consume large numbers of aphids, controlling their numbers.

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How can frogs be encouraged, how could they be disturbed by garden practices and how to restore the natural balance to minimise pesticide use?

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They need a pond or body of water to live and mate and lay eggs in. They eat slugs and help to control the population.

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How can hedgehogs be encouraged, how could they be disturbed by garden practices and how to restore the natural balance to minimize pesticide use?

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They eat slugs and can be encouraged into the garden by providing food for them, then they may be encouraged to make their home in our garden. You can provide a hedgehog house for them to live in during the day time.

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Cultural control of P&D

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An act that can be carried out by the gardener to manipulate the growing environment, such as removing a host weed such as shepherds purse, or feeding plants every day

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Physical control of P&D

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P&D are directly blocked or destroyed by a material, mechanical or hand control e.g. traps, barriers, fences, soil sterilisation

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What is a weed?

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A plant that is unwanted or undesirable in a certain setting, plants (usually wild) that are in the wrong place.

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Describe how the selection of plants can help to avoid plant health problems

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Daucus carota "Flyaway" for carrot fly

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  • 1864 Karteikarten
  • 152 Studierende
  • 2 Lernmaterialien

Beispielhafte Karteikarten für deinen Maintaining Plant Health Kurs an der University of Bristol - von Kommilitonen auf StudySmarter erstellt!

Q:

Grey mould: damage caused, method of spread and two avoidance strategies.

A:

Infects stems, leaves and buds with a grey, furry mould that kills the area and eventually spreads through the plant, killing it too.

Q:

How can lacewings be encouraged, how they could be disturbed by garden practices, and how to restore and maintain the natural balance to minimize the need for pesticides.

A:

Grow plants that are high in nectar, and create places where they can hibernate in overwinter such as piles of logs

Q:

Chemical control of P&D

A:

The use of a chemical substance to control and/or kill a distructive weed, pests and diseases e.g. glyphosate

Q:

How do weeds cause problems?

A:

They compete for nutrients, water and light for plants that are more desirable

Q:

Biological control of P&D

A:

Non-toxic to humans, wildlife and pets, numbers of predators and parasites increase naturally, a balanced population can be reached and there can be no build up of resistance to disease

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Q:

How can hoverflies be encouraged, how they could be disturbed by garden practices, and how to restore and maintain the natural balance to minimize the need for pesticides.

A:

They lay their eggs in aphid colonies and their grubs consume large numbers of aphids, controlling their numbers.

Q:

How can frogs be encouraged, how could they be disturbed by garden practices and how to restore the natural balance to minimise pesticide use?

A:

They need a pond or body of water to live and mate and lay eggs in. They eat slugs and help to control the population.

Q:

How can hedgehogs be encouraged, how could they be disturbed by garden practices and how to restore the natural balance to minimize pesticide use?

A:

They eat slugs and can be encouraged into the garden by providing food for them, then they may be encouraged to make their home in our garden. You can provide a hedgehog house for them to live in during the day time.

Q:

Cultural control of P&D

A:

An act that can be carried out by the gardener to manipulate the growing environment, such as removing a host weed such as shepherds purse, or feeding plants every day

Q:

Physical control of P&D

A:

P&D are directly blocked or destroyed by a material, mechanical or hand control e.g. traps, barriers, fences, soil sterilisation

Q:

What is a weed?

A:

A plant that is unwanted or undesirable in a certain setting, plants (usually wild) that are in the wrong place.

Q:

Describe how the selection of plants can help to avoid plant health problems

A:

Daucus carota "Flyaway" for carrot fly

Maintaining Plant Health

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