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A water soluble granule plant growth regulator for the reduction of calyx end (retiform) russet of Golden Delicious apples.

Functions: Plant Growth Regulator (PGR)

Application Technique: Sprayers

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Knowde Enhanced TDS

Identification & Functionality

Chemical Name
Agrochemical Functions
Technologies
Active Ingredient

Gibberellins A4 & A7 - 10 g

Applications & Uses

Applicable Crop
Application Technique
Directions For Use

USE ONLY AS DIRECTED.

Efficacy is greatly influenced by environmental factors, i.e. water stress and heat waves can have a negative influence. Ideally soil conditions should be at field capacity during application.

SPRAY VOLUME PER HECTARE

Apply in sufficient amount of water to ensure thorough coverage without excessive run-off. Determine the spray volume required per hectare using the tree row volume model. Adjust spray volumes based on tree size and spacing. In many cases, spray volumes of approximately 750 - 1000 L/ha have been shown to be adequate.

Consult the technical advisor of your Regulex® 10 SG distributor. Apply Regulex® 10 SG spray mix as a uniform fine mist spray, directing 85 % of the spray to the upper 2/3 of the tree.

 

Time Of Application
  • Apply when wind conditions will not cause excessive spray drift.
  • If conditions at full bloom are unfavorable, delay application until conditions favoring maximum absorption of Regulex® 10 SG exist. High relative humidity, cool weather, damp and slow drying conditions at time of spraying or shortly thereafter, improves absorption. Spray in the early morning or evening. Conditions favoring rapid drying conditions of spray should be avoided.
  • Delay applying Regulex® 10 SG after rain until flower parts/fruitlets and leaves are free of surface droplets. Application should be made only when a 6-hour rain free period is expected. If rain falls within 6 hours of application, reduced response should be anticipated. Do not re-spray in the event of rain falling within 6 hours of application.
  • Do not apply when temperatures are expected to be lower than 7 oC or higher than 32 0C at the time of application.
Mixing Instructions
  • Do not pre-mix Regulex® 10 SG.
  • Half fill a clean spray tank with clean water and engage the agitator.
  • Add the required amount of Regulex®10SG. Top- up tank with water to required level.
  • Use spray solution within 24 hours after mixing.

 

Recommendations

 

CROP

GROWTH REGULATING ACTIVITY

 

Rate / 100 L water

 

REMARKS

Apples :

Golden Delicious

 

Reduces calyx end (retiform) russetting

 

10 g Regulex®

10 SG

Apply 4 – 5 sprays (5 sprays under conditions likely to cause a high incidence of russet such as fluctuating weather conditions, or in orchards with a known severe russet problem).

Commence spraying at full bloom and repeat at 7 – 10 day intervals.

PROGRAM TREATMENT

 

 

 

Apples:

Golden Delicious

 

Reducing retiform russet, fruit thinning, increasing fruit mass of individual fruit and enhancing return bloom

 

125 ml Promalin®

 

20 g Regulex®

10 SG + 500 ml

MaxCel

 

  1. Apply a single Promalin® application at 85% bloom

 

  1. Apply Regulex®10SG as a tank mix in combination with MaxCel at 8-12 mm fruit size.

NOTES

  • Do not apply Regulex® 10 SG as a tank mix in combination with pesticides, plant nutrients or other growth regulators, with the exception of MaxCel
  • PROGRAM TREATMENT with Promalin® and MaxCel at the recommended rates, may reduce retiform russet, increase fruit thinning, increase fruit mass of individual fruit and enhance return bloom. Please consult your technical advisor or Valent BioSciences representative.
  • Use properly calibrated spray equipment that ensures uniform and complete coverage of all foliage and blossoms/fruitlets.

MaxCel and Promalin® are registered trademarks of Valent BioSciencesTM Corporation, Libertyville, USA.

Properties

Formulation Type
Physical Form

Regulatory & Compliance

Chemical Inventories

Safety & Health

Warnings
  • Store in a cool dry place and out of reach of children, uninformed persons and animals. Harmful if swallowed or if vapors are breathed for prolonged periods.
  • May cause eye irritation. In case of contact with eyes, flush with plenty of water and get medical attention.
  • May cause drying effect of skin. In case of skin contact, wash immediately with soap and plenty of water and remove contaminated clothes.
  • May cause damage to other crops.

THIS REMEDY HAS BEEN EXTENSIVELY TESTED UNDER A LARGE VARIETY OF CONDITIONS. THE REGISTRATION HOLDER DOES NOT WARRANT THAT IT WILL BE EFFICACIOUS UNDER ALL CONDITIONS BECAUSE THE ACTION AND EFFECT THEREOF MAY BE AFFECTED BY FACTORS SUCH AS ABNORMAL CLIMATIC, SOIL AND STORAGE CONDITIONS, QUALITY OF DILUTION WATER, COMPATIBILITY WITH OTHER SUBSTANCES NOT INDICATED ON THE LABEL, AS WELL AS BY THE METHOD, TIME AND ACCURACY OF THE APPLICATION. THE REGISTRATION HOLDER FURTHER MORE DOES NOT ACCEPT RESPONSIBILITY FOR DAMAGE TO CROPS AND VEGETATION, THE ENVIRONMENT OR HARM TO MAN OR ANIMAL OR FOR LACK OF PERFORMANCE OF THE REMEDY CONCERNED DUE TO FAILURE OF THE USER TO FOLLOW THE LABEL INSTRUCTIONS OR TO THE OCCURRENCE OF CONDITIONS WHICH COULD NOT HAVE BEEN FORESEEN IN TERMS OF THE REGISTRATION. CONSULT THE SUPPLIER IN THE EVENT OF ANY UNCERTAINTY.

Precautions
  • Avoid inhaling of spray mist.
  • Wash with soap and water after use.
  • Avoid contact with skin, eyes and clothing.
  • Do not contaminate food, feeds, rivers, dams and water sources.
  • Clean application equipment before using with other remedies and dispose of wash water where it will not contaminate crops, grazing, rivers and dams.
  • Avoid spray drift onto other crops, grazing, rivers and dams.
  • Rinse empty container three times with a volume of water equal to a minimum of 10 % of that of the container. Add the rinsings to the contents of the spray tank before destroying the container in the prescribed manner.
  • Do not re-use empty container but destroy by flattening and perforation. Prevent contamination of food, feeds, drinking water and eating utensils.