Young shoot is wilted?
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Patty W. zone 5a Illinois
7 years agoPhuong Bui APAC-Vietnam-Always hot, rain alot thanked Patty W. zone 5a IllinoisRelated Discussions
A few Roseum shoots turning brown with leaves wilting
Comments (6)Terminal buds and leaves turning brown and leaves wilting is symptomatic of Botryosphaeria Dieback, Phomopsis Dieback, Phytophthora Dieback, or Rhizoctonia Root Rot dieback. All four diseases spread rapidly and may threaten an entire plant. They are more active in warm summer conditions. It can also be borer damage. 1) Phytophthora cactorum causes the central vein of a leaf to turn brown and the discoloration extends to the petiole on tender new growth. The infections spreads outward from the midrib tissue and the leaf wilts. Infections are more severe on azaleas. Some varieties of rhododendrons are vulnerable (Chionoides, Catawbiense Album, Nova Zembla) and some are resistant (Roseum Elegans, Scintillation, PJM). Control of the disease is difficult. Since the infection goes from the roots to the tips, when you see the symptoms it is too late. To prevent it, use a raised bed with lots of sphagnum peat moss. Prevention with fungicides and careful control of exposure to high humidity may be practical. 2) Botryosphaeria dothidea causes leaves to turn dull green and then brown and roll and droop. Cankers form on branches which may girdle the branch. This is the most common disease of rhododendron in the landscape. A typical symptom of this fungal disease is scattered dying branches on an otherwise healthy plant. Leaves on infected stems turn brown, then droop and roll inward. These leaves often lay flat against the stem and will remain attached. The pathogen can infect all ages of stem tissue through wounds, pruning cuts, and leaf scars. Heat, drought stress, and winter injury can increase disease incidence. Cankers on branches can gradually grow through the wood until the stem becomes girdled. Diseased wood is reddish brown in appearance. Discolored wood viewed in longitudinal cross section often forms a wedge that points toward the center of the stem, and the pith may be darker brown than the surrounding wood. Sanitation and applying a fungicide such as metalaxyl (Subdue) after pruning my provide some control. Plants should be grown in partial shade, with mulch and kept well watered during dry periods. All dying branches should be promptly pruned out in dry weather and all discolored wood should be removed. Plants should also be protected from rough treatment during maintenance activities to prevent unnecessary wounds. 3) Phomopsis rhododendri symptoms vary from leaf spots to chlorosis and then browning of leaves which then wilt. Browning streaks extend down the stem to a wound. Fungicides such as metalaxyl (Subdue) should control an outbreak. Sanitation and applying a fungicide after pruning may provide control. 4) Rhizoctonia solani: causes small necrotic spots on leaves, which later become dark brown or black. Defoliation follows severe leaf spotting. The fungus is omnipresent in the soil and appears to be most virulent at high humidity levels. Microscopic examination of roots and crown are the surest diagnosis. Cultural practices to control this disease include improvement of drainage and avoidance of excess irrigation. [Return to Problem Menu] 5) Ends of branches die when a Rhododendron Stem Borer, Oberea myops, Dogwood Twig Borer, Oberea tripunctator, or Rhododendron Borer, Synanthedon rhododendri, is in a branch. Borers only affect the portion of the plant away from the roots from the borer. If the borer is in the main trunk, then the entire plant will wilt and die. The plant can be save by cutting off the area with the borer and letting the plant regenerate from the roots. There are no conventional insecticides that will kill stem borer larvae once they are inside the branches. The best control option for homeowners with only a few plants is to prune out and destroy wilting branches in early spring or late summer. Here is a link that might be useful: Common Problems and Their Solutions....See Morekid/young adult shooting Purple Martins
Comments (9)If it is within city limits, call the police. I'm pretty sure that most cities have laws where you are not allowed to discharge any kind of firearm - even bb guns or air soft guns within the city limits. Maybe call the police anyway since it is against the law to harm any migrating bird and even though we don't like grackles, they are on that list because they do migrate. If you look up the Migratory Bird Treaty Act of 1918, you'll see why it is illegal. Here is a link that might be useful: Wikipedia - Migratory Bird Treaty Act of 1918...See MoreWhy the new growth is burned and crispy ?!
Comments (32)Lydia, Take heart! There is a solution to every problem, and frequently more than just one solution. The method I use to control midge has been step by step outlined in past Roses Forum posts. My method works very effectively for me. What I like about it is that it is the least toxic to the environment. If you would like to know what I do, please just type in the word, 'midge,' in the space at the beginning of the Roses Forum and click Roses Forum below that. All the archived posts relevant to 'midge,' will appear. Check out the ones where my forum name, Moses, appears and go from there. Any comments or questions you may have, you can place them on your post here. Hope I have been helpful I do know how you feel, discovering this dreadful aspect of rose culture, midge control. It hit me like a freight train back years ago. I was very disheartened. Then, after the initial shock was over, I accepted the reality of the situation and proceeded to strategize a plan of control. Now I consider it another necessary aspect of growing roses. Moses...See Moreweird growth on young shoots
Comments (4)Hello !! From the photos they look totally normal. Just like happy healthy new growth coming out ! No need to worry , just enjoy. :)...See MorePatty W. zone 5a Illinois
7 years agoPhuong Bui APAC-Vietnam-Always hot, rain alot thanked Patty W. zone 5a Illinoisrifis (zone 6b-7a NJ)
7 years agoSoFL Rose z10
7 years agorifis (zone 6b-7a NJ)
7 years agoPatty W. zone 5a Illinois
7 years agorifis (zone 6b-7a NJ)
6 years agomarymook
6 years agorifis (zone 6b-7a NJ)
5 years agorifis (zone 6b-7a NJ)
5 years agolast modified: 5 years agoVaporvac Z6-OhioRiverValley
5 years agoSoFL Rose z10
5 years agorosecanadian
5 years agoVaporvac Z6-OhioRiverValley
5 years agorosecanadian
5 years agolast modified: 5 years agoDani D
5 years agoPatty W. zone 5a Illinois
5 years agolast modified: 5 years ago
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