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  2. Copper pesticide - Wikipedia

    en.wikipedia.org/wiki/Copper_pesticide

    Copper pesticide is applied as a contact protective foliar spray, so it remains deposited on leaf surfaces. A small concentration of copper ions may be taken up by plants as essential nutrients. Copper foliar sprays are also applied to correct plant copper deficiency. [8] Excess absorbed copper ions can kill sensitive cells in copper sensitive ...

  3. Should You Use Fungicide On Your Lawn? A Turfgrass ... - AOL

    www.aol.com/lifestyle/fungicide-lawn-turfgrass...

    Here’s when your lawn can benefit from fungicides. Here’s when your lawn can benefit from fungicides. Skip to main content. 24/7 Help. For premium support please call: 800-290 ...

  4. Bordeaux mixture - Wikipedia

    en.wikipedia.org/wiki/Bordeaux_mixture

    Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulphate (CuSO 4) and quicklime (Ca O) used as a fungicide. It is used in vineyards, fruit-farms, vegetable-farms and gardens to prevent infestations of downy mildew, powdery mildew and other fungi. It is sprayed on plants as a preventive treatment; its mode of action is ...

  5. Fungicide use in the United States - Wikipedia

    en.wikipedia.org/wiki/Fungicide_use_in_the...

    The fungicides are applied at the end of the harvest and chlorothalonil has been shown in experiments to reduce purple spot by 99% and increase yields by 36%. [33] This increase in yield as a result of purple spot control has been shown to translate into a net return of $200–400 per acre for asparagus growers .

  6. Black pod disease - Wikipedia

    en.wikipedia.org/wiki/Black_pod_disease

    The application of copper fungicide has been shown to significantly reduce the number of black pod incidents in Nigeria. Metalaxyl (Ridomil) and cuprous oxide (Perenox) were identified to be successful in increasing the number of harvested healthy pod compared to the application of fosetyl aluminium (Aliete) and control treatment. On top of ...

  7. Rhytisma acerinum - Wikipedia

    en.wikipedia.org/wiki/Rhytisma_acerinum

    Because the fungus overwinters in diseased leaf debris, removing the debris in fall can help reduce the occurrence of the disease. [3] In certain severe cases, fungicides can be implemented to help with control. [7] [12] Copper fungicides sprayed in early spring when leaves are budding and twice more throughout the season help reduce the ...

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  9. Fungicide - Wikipedia

    en.wikipedia.org/wiki/Fungicide

    Contact fungicides are not taken up into the plant tissue and protect only the plant where the spray is deposited. Translaminar fungicides redistribute the fungicide from the upper, sprayed leaf surface to the lower, unsprayed surface. Systemic fungicides are taken up and redistributed through the xylem vessels.

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