Year 2 week 21 presentation

RHS Level 2 Certificate Year 2 Week 21 – Review of Garden Chemicals and modes of action; Risk Assessment; Botanical names and Weed identification.

Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Garden Chemicals – a quick reminder of types ,[object Object],[object Object],[object Object]

Modes of Action ,[object Object],[object Object],[object Object],[object Object]

Modes of Action - herbicides ,[object Object],[object Object],[object Object]

Exercise – answers diquat dibromide contact 5. herbicide Flufenacet / metosulam (both residual) glyphosate (contact) residual/contact 4. herbicide triticonazole systemic 3. fungicide glyphosate systemic 2. herbicide thiacloprid systemic 1. pesticide Active ingredient Mode of action Type of chemical

Risk Assessment – 5 steps ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why botanical names? ,[object Object],[object Object],[object Object],[object Object]

Group exercise answers In each case control could also be achieved in ground that was not intended to bear vegetation with a residual weed killer. Diquat (contact) Chenopodium album Fat Hen Diquat (contact) Cardamine hirsuta Hairy Bitter Cress Diquat (contact) Senecio vulgaris Groundsel Diquat (contact) Stellaria media Chickweed Diquat (contact) Gallium aparine Cleavers Chemical Control Botanical name Common name

Learning Outcomes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Year 2 week 21 presentation

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Year 2 week 21 presentation