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Amid-Thin® W Plant Growth Regulator

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  • Optimize fruit size and quality in apples and pears
  • Easy on foliage
  • Maximize harvest management

One of the most important seasonal applications in pome fruit.

Chemical thinning optimizes fruit size and quality and is one of the most important seasonal applications in pome fruit (apples and pears). Amid-Thin W (naphthalene acetamide) is easy on foliage and offers a wide margin of crop safety when applied at recommended concentrations. Sensitivity to Amid-Thin varies considerably among cultivars, and pears are generally more sensitive than apples. Always refer to specimen label for recommendations.

Application Details:

  • Apples: Use Amid-Thin as an apple growth regulator on early varieties that ripen before McIntosh or "round" fruit such as Fuji, Rome, Gala and Jonagold. Amid-Thin may be used on Red Delicious in areas other than the Pacific Northwest. Amid-Thin should not be used on Red Delicious and Fujis in the Eastern US. It is important that early summer varieties are sprayed no later than petal fall.
  • Pears: Apply to pears within 5 to 7 days after petal fall. Amid-Thin may cause flagging of leaves and at high rates may overthin.
Download Label/SDS
Download Label/SDS for Amid-Thin W Plant Growth Regulator.

Crops and State Registrations

- Key crops/pests

Amid-Thin W

Crops

  • apples
  • pears


State Registrations*

  • Arizona
  • California
  • Colorado
  • Connecticut
  • Delaware
  • Idaho
  • Indiana
  • Kentucky
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • Ohio
  • Oregon
  • Pennsylvania
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia


  • Contact Valent

    Have a question about Amid-Thin W Plant Growth Regulator?

  • Download Literature

    View available Amid-Thin W quicksheets and brochures in pdf format.

  • Label/SDS

    Download Label/SDS for Amid-Thin W Plant Growth Regulator.

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