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Introduced in 1979, Promalin has become a widely adopted plant growth regulator that significantly improves the fruit quality and market acceptance of apples. Promalin increases fruit size in all varieties, thus improving fruit yields and the percentage of fruit that can be sent to the fresh market. In the Red Delicious apples, Promalin stretches the shape of the fruit and expands the calyx lobes (five points), giving the fruit the very attractive and sought after "Typey" appearance. In addition, Promalin also makes the skin of the fruit very smooth, achieving that perfect, attractive fruit "finish" that's so appealing on the grocery store shelf. Additionally, Promalin promotes the development of lateral branches in young trees, a very important benefit to obtain a fuller canopy sooner, increase fruit-bearing surface and get trees into production faster. Finally, Promalin is used in many countries to increase fruit set in several pear varieties.

For more information on Promalin please download these PDFs.
• Promalin Q&A
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