Plant treatment products include a plant treatment component and, preferably mixed with, a microbial fermentation product. The microbial fermentation product includes cellular material of cultured microorganisms and one or more anaerobic metabolite products of the cultured microorganisms. Preferably, the microbial fermentation product comprises a whole culture lysate of a microbial fermentation suspension culture, including liquid fermentation culture medium components and lysed microorganisms. The plant treatment component of the product includes one or more pesticides or plant growth regulators. Plant treatment products can be applied to or around plants or seeds to enhance growth, health, or productivity of the plants.