In the absence of carbaryl, growers will need a palette of chemical thinning options and strategies. MELISSA HANSEN Several new fruit thinning products are on the horizon that might serve as replacements for carbaryl, but none are close to commercialization in the United States. Dr. Duane Greene, horticulturist at the University of Massachusetts, has been testing alternative products and strategies on the assumption that carbaryl (sold under the brand name Sevin) will not be available to U.S. growers for much longer because of regulatory concerns. It is no longer registered in Europe, and production has stopped in the United States. […]