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  2. Lime sulfur - Wikipedia

    en.wikipedia.org/wiki/Lime_sulfur

    In agriculture and horticulture, lime sulfur is sold as a spray to control fungi, bacteria, and insects. On deciduous trees it can be sprayed during the winter on the surface of the bark in high concentrations, but as lime sulfur can burn foliage, it must be heavily diluted before spraying onto herbaceous crops, especially during warm weather ...

  3. Horticultural oil - Wikipedia

    en.wikipedia.org/wiki/Horticultural_oil

    Mineral oil is the most used insecticide, both in acrage and in volume. 34,508,857 pounds (15,652,972 kg) of mineral oil was sprayed on 4,543,066 acres (about 1.8 million hectares). 1 to 4% solutions in water are sprayed, which is hundreds of times more than modern synthetic insecticides. Mineral oil is correspondingly cheaper.

  4. Chilling requirement - Wikipedia

    en.wikipedia.org/wiki/Chilling_requirement

    Stone fruit trees and certain other plants of temperate climate develop next year's buds in the summer. In the autumn the buds become dormant, and the switch to proper, healthy dormancy is triggered by a certain minimum exposure to chilling temperatures. Lack of such exposure results in delayed and substandard foliation, flowering and fruiting.

  5. Smudge pot - Wikipedia

    en.wikipedia.org/wiki/Smudge_pot

    A smudge pot (also known as a choofa or orchard heater) is an oil-burning device used to prevent frost on fruit trees. Usually a smudge pot has a large round base with a chimney coming out of the middle of the base. The smudge pot is placed between trees in an orchard. The burning oil creates heat, smoke, carbon dioxide, and water vapor.

  6. List of fungicides - Wikipedia

    en.wikipedia.org/wiki/List_of_fungicides

    This is a list of fungicides.These are chemical compounds which have been registered as agricultural fungicides.The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1]

  7. Tilia cordata - Wikipedia

    en.wikipedia.org/wiki/Tilia_cordata

    The trees favour good, loamy sites, but can also be found on sandy, infertile soils, and are not thought to be drought resistant. Dormant shoots of Tilia cordata can resist winter frost temperatures as low as −34 °C (−29 °F). [8] Processed, dyed small-leaved lime (Tilia cordata) pollen.