![]() Horizontal row(s) of closely –spaced, round to oval holes > injury by sapsucker woodpeckers. Symptoms occurring on the main stem or branches, either alone or in combination with foliar symptoms > Go to 2.ġb. Note that multiple pests and problems may occur on one plant.ġa. For each numbered set of choices, decide whether “ a” or “ b” best describes the situation, then follow the instructions to the next set of choices. It’s a good idea to take photos of the plant(s) so you can use them to make decisions when going through the key.įollow this key to narrow down the list of possible causes for the symptoms and find out what steps to take. Look for obvious site problems like excess shade, excess water in the soil, and shallow soil. These may be indications of earlier problems on the site, and can be entry points for some pathogens. Take note of which portions of the tree are affected, and whether it’s young or older foliage that’s showing symptoms. Look for yellowing, bronzing, needle loss, dieback, bark cracks, cankers, and resin flow s. Chamaecyparis species are likewise not included.Ĭarefully observe the symptoms on needles, branches, and trunks. Other similar plants, particularly Eastern redcedar and other members of the genus Juniperus, have a slightly different suite of problems and are not included in this guide. ![]() A few of the key differences are shown on this comparison page. The guide below was designed with arborvitae, Leyland cypress, and Japanese cedar in mind. Make sure you know what kind of tree you have. In some cases it will lead you to a diagnosis in others it will lead you to the conclusion that a physical and/or image sample needs to be submitted. This step-by-step guide will help you when dealing with these issues. They also undergo changes in appearance as they mature. These trees are susceptible to numerous diseases, arthropod pests, and abiotic stressors, including those caused by human activity. These trees are sometimes used as specimen plants, but are often placed together in rows to form screens or yard barriers. Among the most common are arborvitae ( Thuja spp.), Leyland cypress ( xHesperotropsis leylandii), and Japanese cedar ( Cryptomeria japonica). ![]() Several species of “cypress”-type conifers (family Cupressaceae) are widely planted in North Carolina landscapes. Please note that some applications and/or services may not function as expected when translated. NC State Extension does not guarantee the accuracy of the translated text. As with any Internet translation, the conversion is not context-sensitive and may not translate the text to its original meaning. To the extent there is any conflict between the English text and the translation, English controls.Ĭlicking on the translation link activates a free translation service to convert the page to Spanish. Por favor, tenga en cuenta que algunas aplicaciones y/o servicios pueden no funcionar como se espera cuando se traducen.Įnglish is the controlling language of this page. NC State Extension no garantiza la exactitud del texto traducido. Al igual que con cualquier traducción por Internet, la conversión no es sensible al contexto y puede que no traduzca el texto en su significado original. En la medida en que haya algún conflicto entre la traducción al inglés y la traducción, el inglés prevalece.Īl hacer clic en el enlace de traducción se activa un servicio de traducción gratuito para convertir la página al español. Needle blights were known to inhabit the Quivering Forest as of the 15 th century DR.El inglés es el idioma de control de esta página. Like most other blights, needle blights were found in forests. Needle blights attacked with their clawed hands and the needles that grew on them. This pollen carried to and was detected by other needle blights who, alerted to the location of the threat, would swarm in from all sides. When a needle blight detected a potential threat, it released a particular pollen into the air. They were, however, capable of flinging the needles from their bodies as short-ranged projectiles. Needle blights possessed blindsight only, and could understand Common but did not speak- as plants, they lacked eyes and a mouth. ![]() Needle blights, like the rest of their foul kin, were evil-hearted, malevolent creatures. Conifer-like needles grew in clumps across their bodies, and their gait was best described as shuffling. Needle blights looked enough like a hunched humanoid to be mistaken for one in the shadows of a forest, but a closer look made their plant-like nature obvious.
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