Back. 1  Vitacost Chromium Picolinate -- 500 mcg - 300 Capsules. 4.5 out of 5 stars 11. 2  Vitacost Strontium -- 680 mg per serving - 240 Vegetarian Capsules. 4.6 out of 5 stars 19. 3  Vitacost Glucomannan -- 2000 mg per serving - 180 Capsules. 3.7 out of 5 stars 51.
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.
Plumeria and Leaf Curl The treatment of leaf curl depends on the cause of the leaf curl. For example, leaf curl found on peaches and nectarines is the result of a fungal pathogen (Taphrina deformans) while leaf curl on tomatoes and raspberries is caused by a virus transmitted by insects such as aphids, whiteflies and leafhoppers.