Contacting crop plants with cyclopropene compositions

摘要

Disclosed is a method for improving the yield of a crop produced by a plurality of plants, wherein said method comprises contacting said plants with at least one composition that comprises at least one cyclopropene at a particular growth stage. Methods utilizing optimum treatment times disclosed include - a method of treating corn plants comprising contacting said corn plants with a cyclopropene after at least 10% of said corn plants have reached the developmental stage at which the fifth leaf is fully expanded - a method of treating cotton plants comprising contacting said cotton plants with a cyclopropene after at least 10% of said cotton plants have undergone seedling emergence - a method of treating soybean plants comprising contacting said soybean plants with a cyclopropene after at least 10% of said soybean plants have at least one node on the main stem with at least one fully developed leaf - a method of treating oilseed rape comprising contacting said oilseed rape plants with a cyclopropene after at least 10% of said oilseed rape plants have begun to bloom - a method of treating wheat plants comprising contacting said wheat plants with a cyclopropene during F9.0 growth stage of said wheat plants.