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  2. Septoria cannabis - Wikipedia

    en.wikipedia.org/wiki/Septoria_cannabis

    Septoria cannabis is a species of plant pathogen from the genus Septoria that causes the disease commonly known as Septoria leaf spot. Early symptoms of infection are concentric white lesions on the vegetative leaves of cannabis plants, followed by chlorosis and necrosis of the leaf until it is ultimately overcome by disease and all living cells are then killed.

  3. List of hemp diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_hemp_diseases

    Fungal diseases; Anthracnose Colletotrichum coccodes = Colletotrichum atramentarium = Colletotrichum dematium: Black dot disease Epicoccum nigrum = Epicoccum purpurascens: Black mildew Schiffnerula cannabis: Brown blight Alternaria alternata = Alternaria tenuis: Brown leaf spot and stem canker Ascochyta spp. Ascochyta prasadii Phoma spp ...

  4. Puccinia thaliae - Wikipedia

    en.wikipedia.org/wiki/Puccinia_thaliae

    Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates.

  5. Cannabis - Wikipedia

    en.wikipedia.org/wiki/Cannabis

    The lower leaf pairs usually occur in an opposite leaf arrangement and the upper leaf pairs in an alternate arrangement on the main stem of a mature plant. The leaves have a peculiar and diagnostic venation pattern (which varies slightly among varieties) that allows for easy identification of Cannabis leaves from unrelated species with similar ...

  6. Cannabis (drug) - Wikipedia

    en.wikipedia.org/wiki/Cannabis_(drug)

    Cannabis (/ ˈ k æ n ə b ɪ s /), [2] commonly known as marijuana (/ ˌ m æ r ə ˈ w ɑː n ə /), [3] weed, and pot, among other names, is a non-chemically uniform drug from the Cannabis plant. Native to Central or South Asia, cannabis has been used as a drug for both recreational and entheogenic purposes and in various traditional ...

  7. 'Marijuana is, in fact, a problem.' This drug component makes ...

    www.aol.com/lifestyle/marijuana-fact-problem...

    Many people try marijuana, and some develop an addiction leading to their lives — and the lives of others — being turned upside down, Dr. Mark Hurst writes. 'Marijuana is, in fact, a problem.'

  8. Tridax procumbens - Wikipedia

    en.wikipedia.org/wiki/Tridax_procumbens

    The specific problem is: ... The leaves are toothed and generally arrowhead-shaped. ... It is listed in the United States as a Noxious Weed and regulated under the ...

  9. The problem with leaf blowers, and what you can do instead - AOL

    www.aol.com/news/problem-leaf-blowers-instead...

    Gas-powered leaf blowers can register as high as 100 decibels at the source (the levels decrease with distance). Most electric models range from 59 to 70 decibels.

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