N, P & K are mobile, so new shoots will be the last parts of the plant affected by a deficiency. Here are some pictures: This is the first seedling Also the first seedling at a different angle. “Water mould” microorganisms are just like vampires; you have to invite them in before they can do any harm. Sometimes, they will even canoe. *By ticking this box, I allow Royal Queen Seeds to send me marketing personalized emails including, but not limited to, events, promotions, offers and discounts. Damage to tomato and other vegetable plants may have one or a combination of causes (Figs. Other leaves were a bright green and now almost yellow. Stepping up watering efforts and applying 2 to 4 inches of an organic mulch to the ground around your citrus plant will help it recover. Another virus, tomato mosaic virus, causes downward curling of older leaves, mottling, smaller leaves and browning of the inside of the fruit. Power Flower … I have noticed this is especially common-spread among newbie cannabis growers. This is a trait that can cause problems for beginner growers. Harvest After a cucumber harvest, the leaves of the cucumber plant will curl temporarily. The symptoms are usually concentrated close to the grow lights. I’ve had a avocado I grew from seed, it’s about a year old and it just started having issues. Too much marijuana fertilizer 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. The leaves curl along the length of the leaf in an upward and inward fashion. Cannabis plants with droopy, claw-like leaves could be trying to tell you they are waterlogged. The ultimate and correct solution is in the hands of the marijuana grower. Apr 29, 2009 #1 I am using 2x400w hps not currently using nutes temps are 77F ph of water is 6.5 I water every three days or when the top three inches of soil are dry. Whether you’re growing in containersor in the ground, leaf curl is a possibility. Northern Light
If any of these insects attack your plant, leaves show curling symptoms. It looks like two issues; the curling is from over watering. Moreover, there is a wide number of possible causes for this particular issue.