Controlling Cannabis Leaf Septoria Organically

cannabis leaf septoria

The cultivation of top-shelf cannabis medicine is achieved not necessarily by what a gardener gives to their plants, but often what they don’t. Astute growers avoid exposing their precious pot plants to environmental extremes in terms of temperature, water, and airflow to prevent the onset of diseases and infestation—some varieties of which can wipe out an entire garden in only a few days.

Leaf Septoria 

As its name implies, leaf septoria is a fungal disease that attacks the leaves of young cannabis plants, typically beginning with the lower branches. Unfortunately, this makes its detection more difficult during casual garden inspections. More common on outdoor plants, leaf septoria causes leaves to develop yellow spots, scabs, and—as it progresses—large patches of dead, brown leaf matter. The patterns of leaf septoria sometimes resemble rust on metal.

This disease usually appears during peak summer temperatures, especially when combined with a perpetually moist environment that is never given an opportunity to dry out (such as an outdoor garden during a prolonged rainy period). Although less common, leaf septoria can also be triggered by a nitrogen deficiency. Leaf septoria will rarely result in the death of cannabis plants; it can, however, significantly reduce yields.

“Leaf septoria is one of the most common threats to a cannabis garden. If untreated, this fungal disease will infest the flowers of the plant, destroying them.”

The spread of leaf septoria can be slowed or halted. When first detected, all leaves exhibiting yellow or brown spots should immediately be removed from the garden. This is because they contain the fungal spores that carry the disease and can spread it to healthy plants.

An increasing number of cannabis cultivators are embracing organic gardening. But how can a conscientious pot grower who wishes to remain environmentally friendly do battle with a fast acting plant disease like powdery mildew?

Embracing an Organic Solution

Today, savvy West Coast farmers producing some of the nation’s most impressive cannabis are turning to certified organic solutions like PathogenZERO. Formulated by a third-generation cannabis farmer from Northern California, this fully natural and non-toxic solution can be used to treat more than 150 diseases and infestations, including powdery mildew, gray mold, and spider mites.

Recent news from Steep Hill Labs that 85 percent of the San Francisco Bay Area “medical” cannabis evaluated by the company tested positive for fungicide myclobutanil (marketed by Dow AgroSciences as Eagle 20) has alarmed cultivators and patients alike. When heated (as during smoking), myclobutanil converts to highly poisonous hydrogen cyanide.

Such news is driving conscientious cultivators from products like Eagle 20 to fully organic biodegradable solutions like PathogenZERO. Non-toxic products of this type that contain only natural ingredients must be adopted en masse if legal cannabis cultivators wish to survive the onslaught of government regulation that looms on the horizon.

About Gooey Rabinski 17 Articles
Gooey Rabinski is a technical writer, instructional designer, and photographer who has been covering the cannabis culture since 2004. His work has appeared in High Times, Cannabis Culture, WoahStork, SKUNK, The Emerald Magazine, MERRY JANE, Weed World, Grow Magazine, Whaxy, Green Flower Media, and Cannabis Health Journal. Rabinski crafts compelling educational media that focuses on the science of the cannabis herb, patient advocacy, and eliminating the social stigma that has existed for more than a century in the United States. His photography is available on Instagram at gooey_rabinski and he Tweets from @GooeyRabinski.

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