dieback การใช้

• Many trees in the city and suburbs also have dieback.
• Additional stem canker and dieback are caused by the pathogen.
• A recent threat, first reported in 1978, is forest dieback.
• Widespread dieback was seen over the remainder of the decade.
• This decline includes chlorotic leaves and general dieback of the infected tree.
• It is highly susceptible to " Phytophthora cinnamomi " dieback.
• Drought and temperature have been causal factors in many diebacks.
• They feed on the terminal growth, causing twig dieback.
• Dieback of shoot tips is common as the disease progresses.
• The cause of the dieback is unknown and under investigation.
• It kills some plants and causes leaf spots and twig dieback on others.
• This root system dieback also occurs when plants are frozen to the ground.
• Canker causes extensive dieback and ultimately kills the tree.
• For this reason phytophthora dieback can often be confused with symptoms of drought.
• Consequently, a number of southwestern species are considered under threat from dieback.
• Notable drought related diebacks have occurred globally from the 1970s through the 2000s.
• A few drought related diebacks have occurred before this.
• In North America there were five notable hardwood diebacks in the XX century.
• The type species " Cenangium ferruginosum " causes dieback of pines.
• Extensive wounds can cause stem-tip dieback.