Schalk van der Merwe – Fresh Quarterly

Metamitron

A photosynthesis inhibitor promotes fruitlet drop in apples and pears. By Anna Mouton. Metamitron is a triazinone herbicide originally developed in the 1970s for weed control in sugar beets. This may sound niche, but annual global sugar beet output is…

Who’s who in chemical thinners?

Fresh Quarterly

And what are best practices for use. By Karen Theron, Schalk Reynolds, and Schalk van der Merwe. Most fruit trees set far more fruit than they can support. Trees respond naturally by shedding fruitlets. In apples and some pear cultivars,…