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Root fly

On 14/09/2007 in Glossary

An insect that attacks plant roots. This pest can be controlled using pesticides.


Larva

On 06/09/2007 in Glossary

Refers to the post-embryonic stage in the development of an insect, before its metamorphosis into an adult. Examples are a caterpillar, grub or maggot. The larval stage is generally the most destructive period in the insect life cycle.


Honeydew

On 06/09/2007 in Glossary

1) The sticky secretions of aphids and other scale insects.2) A cultivar group of melon.


Pollination

On 14/09/2007 in Glossary

The transfer of pollen - by insects, wind or hand - to the female stigma, after which fertilisation of the ovule ensues.


apple trees

On 09/06/2012 in forum

Check for a white powdery substance on the leaves (mildew), or an infestation of insects on the underside and treat accordingly.


Aphid

On 14/09/2007 in Glossary

Minute plant-feeding insects within the super family Aphidoidea. Commonly known as greenfly, blackfly or plant lice.


Flea beetle

On 14/09/2007 in Glossary

Of the leaf beetle family, flea beetles are small, jumping insects, which feed mainly on root vegetable crops and brassicas.


Insecticide

On 06/09/2007 in Glossary

Any chemical preparation used to repel or destroy insects. May take the form of liquid, powder or smoke.


Nectar

On 14/09/2007 in Glossary

The honey-like liquid secreted by plants. It's commonly found in flowers, and attracts bees and insect pollinators.


Pathogen

On 06/09/2007 in Glossary

An organism, viral, bacterial, fungal or parasitical, that attacks plants. It may be water, air or soil borne, or carried by insects.


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