196286 Arable Delegate Workbook final

Arable

Adjuvant activity An adjuvant is a substance that is added to a pesticide product or pesticide spray mixture to enhance the pesticide›s performance and/ or the physical properties of the spray mixture. Limiting factors that affect the performance of plant protection products are as follows:

• variable weather conditions (low temperatures and rain showers) • poor water quality • resistance.

Activity:  Fill in the missing words below to indicate the adjuvant activity:

W

S



S

P



Applying plant protection products is a highly inefficient process. Some of the main reasons for this are as follows:

• spray drift/volatilisation/evaporation • method of application • incompatibility in the spray mix (especially with cold water).

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