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The most common cause of marijuana leaf cupping aka leaf margin rolling, leaf margin burn, and leaf tip curl/burn is overzealous use of marijuana plant food. In relationship to factors such as marijuana plant vigour and rate of growth. Leaf burn is often the very first sign of too much marijuana fertilizer.
The two things that can cause hermaphrodites in the cannabis plant are an environmental stress or a genetic tendency. Some strains of feminized cannabis plants have a genetic tendency to be hermaphroditic and some strains have an extremely rare amount of occurrences.everal things can cause your cannabis plant to get shocked and become hermaphroditic, such as light leak during the flowering stages of the light cycle. Severe variations in the PH levels or fertilizer can also cause the plants to create male sex organs. Variations in temperature may cause the problem.