Sumi-alpha

An emulsifiable concentrate containing 25 g/L (2.6 % w/w) esfenvalerate. A pyrethroid insecticide for the control of aphids and reduction of BYDV (barley yellow dwarf virus) in cereals.

DIRECTION FOR USE
Sumi-Alpha contains the highly active synthetic pyrethroid esfenvalerate.

CROPS
Sumi-Alpha is approved for use in cereals , for professional use only.

CROPS FOR PROCESING
On crops grown for procesing, consult your processor before use.

DOSE RATE
Always use Sumi-Alpha at the rocommended dose rate. See individual crop recommendations for further details.

WOLUME OF WATER
Sumi-Alpha should be applied in 200l of water per ha as a medium spray(as defined by BCPC). Always ensure that foliage is well covered.

COMPATIBILITIES
Sumi-Alpha is compatible with a wide range of crop protection products. For furtther details, contact Interfarm UK Ltd.
Before tank-mixing consult appropriate technical leaflets or labels for full details. If a tank-mix with another materials is required always add Sumi-Alpha to the tank first. (Except in the case of specified fungicides) and ensure it is evenly dipersed through the tank before adding any other product and apply immediately, maitaining agitation.

RECOMMENDATIONS (Autumn/winter)
WINTER WHEAT, BARLEY, OATS, RYE, TRITICALE
Pests: Cereal aphids (reduction in spread of Barley Yellow Dwarf virus)
Rate: 165-200ml/ha
Critical comments: time of application - in high-risk situations such as crops drilled before mid-September, crops following grass or grassy stubbles, or crops in areas with a history of BYDV, the first application of Sumi-Alpha should be made when aphids are first seen in the crop. This can be during September or early October. A second application may be necessary at the end of aphid migration, which is normally in late October or November. In later sown and emerging crops, apply in late October or early November, or as recommended according to autumn conditions. A total of two applications of Sumi-Alpha can be made in the autumn and winter up to the end of March in the year of harvest. OTHER SITUATIONS: apply in late October or early November to crops which have emerged by mid-October up to before G32. Maximum number of applications - 2.

SPRING WHEAT, BARLEY, OATS, RYE, TRITICALE
Pests: Cereal aphids (reduction in spread of Barley Yellow Dwarf virus)
Rate: 165 ml-200l/ha
Critical comments: time of application - HIGH RISK AREAS: spray routinely at the 2-3 leaf stage. A second spray may be necessary up to before GS32, depending on aphid monitoring and TEGASC adviice.LOW RISK AREAS: Spray in accordance with TEGASC advice. Maximum number of applications - 2.

SUMMER USE
WINTER AND SPRING WHEATS, RYE, OATS, TRITICALE
Pests: summer cereal aphids (control alhids on the ear)
Rate: 200ml/ha
Critical comments: apply between the onset of flowering and and the milky-ripe stage (winter wheat,winter rye, winter triticale:GS61-77;winter barley, winter oats: GS61-73) when 66% or more ears are infested (equivalent to 5 aphid numbers are increasing. When used to control aphids on the ear Sumi-Alpha can give useful control of aphids on the flag leaf. For details of thesholds are available from TEGASC or your specialist advicer. Maximum number of applications - 1.

Registered for cultures	Rate	BBCH	Preharvest Interval
Winter wheat	165 - 200 ml	32 - 77	7
Winter rye	165 - 200 ml	32 - 77	7
Winter triticale	165 - 200 ml	32 - 77	7
Winter barley	165 - 200 ml	32 - 73	7
Winter oats	165 - 200 ml	32 - 73	7
Spring wheat	165 - 200 ml	32 - 77	7
Spring rye	165 - 200 ml	32 - 77	7
Spring triticale	165 - 200 ml	32 - 77	7
Spring oats	165 - 200 ml	32 - 73	7
Spring barley	165 - 200 ml	32 - 73	7

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