Certain O isoxaben Gallery 750 375−750g/ha Use higher rate where weed pressure is high or broadleaf treated where longer residual activity is required. Must be weeds activated by at least 12.5mm rainfall or sprinkler irrigation within 21 days of application. Plant growth regulators (PGR’s) ** Rate Please to product labels as rates vary depending upon percentage active ingredient and variety. – N/R not required when used as directed. – Purpose for use Active Trade names Rate** Withholding Comments ingredient period (days) To promote ethephon Ethephon 480 Rates vary 14 Apply when 5−30% of berries are coloured. Use higher uniform depending upon rates to maximise colouring effects required. Ensure Promote® 720 colouring of percentage thorough coverage of bunches, although the foliage need Ethrel® certain varieties active ingredient not be completely covered. of table grapes and variety. Best results are achieved with a uniform application of fine Check product droplets calm conditions. label carefully. Ethephon: may reduce firmness of grapes. Do not use on grapes − intended for long-term cool storage. may be less effective on some varieties in seasons − where extreme heat waves occur.
Certain broadleaf weeds O isoxaben Gallery 750 375−750g/ha treated Use higher rate where weed pressure is high or where longer residual activity is required. Must be activated by at least 12.5mm rainfall or sprinkler irrigation within 21 days of application. Plant growth regulators (PGR’s) ** Rate – Please to product labels as rates vary depending upon percentage active ingredient and variety. N/R – not required when used as directed. Purpose for use Active ingredient Trade names Rate** Withholding period (days) Comments To promote uniform colouring of certain varieties of table grapes ethephon Ethephon 480 Promote® 720 Ethrel® Rates vary depending upon percentage active ingredient and variety. Check product label carefully. 14 Apply when 5−30% of berries are coloured. Use higher rates to maximise colouring effects required. Ensure thorough coverage of bunches, although the foliage need not be completely covered. Best results are achieved with a uniform application of fine droplets calm conditions. Ethephon: − may reduce firmness of grapes. Do not use on grapes intended for long-term cool storage. − may be less effective on some varieties in seasons where extreme heat waves occur.
2015-16%20Viticulture%20Spray%20Guide%20%28accessible%20version%29_2.docx