on Red Delicious, Fuji and Gala Apples
Thinex™ is a new fatty acid based blossom thinner that helps reduced hand thinning costs while promoting return bloom, increased fruit size and quality.
CHEMISTRY/ MODE OF ACTION
Thinex is based on pelargonic acid, a naturally-occurring fatty acid found in many fruits. When used according to label instructions, Thinex prevents pollination of the blossoms by damaging the flower's reproductive parts (specifically the stigma). Thinex will not remove fertilized flowers.
BENEFITS OF BLOSSOM THINNING
Blossom thinning with Thinex is the first step in a multi-step program to adjust the fruit load in an orchard. The grower can then adjust crop size as needed with petal fall and/or post-bloom thinning agents to achieve the desired fruit load with reduced hand thinning costs. Advantages of using Thinex over other bloom thinning products include:
Easy to Use:
Low Toxicity to Non-Target Organisms:
APPLICATION GUIDELINES
Equipment: Apply Thinex with an airblast or speed sprayer. Adjust nozzles to produce small droplets that result in uniform coverage. Keep tractor speed below 2.5 mph to allow good coverage of blossoms. Do not use handguns.
Rate: Apply 2.25-2.5 pints of Thinex per 100 gallons of spray solution. Add one to two pints of Regulaid® per 100 gallons of spray solution. The addition of adjuvants other than Regulaid is not recommended as there may be an increase in the potential to mark fruit.
Mixing: Use clean water. Make sure spray tank and hoses are empty of previously sprayed material! Always clean spray tank before and after use. Fill tank halfway and add Regulaid first and then Thinex. Fill remainder of tank. Keep spray solution agitated in the tank. A defoamer may be added to reduce foaming. DO NOT MIX WITH ANY FERTILIZERS, PESTICIDES OR OTHER THINNING AGENTS. Can be tank mixed with Bt products such as MVP II or DiPel.
Spray Volume: Complete wetting of blossoms is essential for effective, uniform thinning. Direct spray into the canopy of the tree. Spray to wet. AVOID RUNOFF FROM THE BLOSSOMS. Occasional drops from blossoms indicate good coverage. Use 200-300 gallons of water per acre. Spray volume will vary depending on tree size, shape, spacing and management practices. Avoid over-spraying on turns or adjacent rows. NEVER USE MORE THAN 300 GPA.
ORCHARD DESCRIPTION PINTS/100 GALLONS SPRAY SPRAY VOLUME
SOLUTION
Most orchards 2.5 200 - 250 gallons
Large, widely-spaced 2.25 250 - 300 gallons
trees
Timing: Optimum timing is at 65-80% of full bloom after pollination and fertilization of the king bloom has occurred. Red Delicious can be thinned with one application. If prolonged bloom is present, as occurs in Fuji and Gala, a follow-up application with Thinex may be necessary to achieve the desired level of thinning. Avoid Thinex applications after full bloom.
Temperatures: Higher temperatures (greater than 60F) promote better thinning. To maximize effectiveness, apply during the warmest time of the day when conditions are optimum for spraying. Avoid night applications or when overcast, humid or rainy conditions prevent the application from drying properly.
Sequential Applications: There are situations where growers may want to sequentially (same day) apply materials to the same orchard. Do not apply Thinex to recently sprayed orchard unless prior material has thoroughly dried. Avoid sequential (same-day) applications with foliar fertilizers.
Thinex is a trademark of Mycogen Corporation. MVP II is a registered trademark of Mycogen Corporation. DiPel is a registered trademark of Abbott Laboratories. Regulaid is a product of Kalo, Inc.
Thinex EPA Reg. No. 53219-11 MYC JJ#2211 3/96