Title | CEUs | Price |
This week, Dendro goes solo as he takes a trek to Maryland to investigate the decline of green ash (Fraxinus pennsylvanica) lining a shopping mall parking lot. Could it be that a family of pests have found a new home in these trees? Article published in the December 2024 issue of Arborist News. 0.5 CEU (A, U, M, T, L, Bs)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Dendro and Codit help an old colleague when their London planetrees begin to fail. Upon further investigation, they find the presence of strange cocoons and bark deterioration. Will they get to the root of the issue in time to save the trees? Article published in the October 2024 issue of Arborist News. 0.5 CEU (A, U, M, T, L, Bs)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
In this issue, Dendro and Codit investigate a fervent fungus that is infesting a homeowner’s cedar and apple trees. Will their quick thinking be able to save these trees or is it too late? Article published in the August 2024 issue of Arborist News. 0.5 CEU (A, U, M, T, L, Bs)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
|
0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
Dendro and Codit head to Disney World to investigate the health of the palms after the failure of a Canary Island date palm (Phoenix canariensis) takes out two visitors. Article published in the June 2024 issue of Arborist News.
0.5 CEU (A, U, M, T, L, Bs)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
|
0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
In this issue, Dendro and Codit reunite with an old friend who needs some serious help determining the cause of decline in local street trees. Article published in the February 2024 issue of Arborist News. This Detective Dendro article first appeared in the June 2012 issue of Arborist News. As we celebrate ISA’s Centennial this year, we are happy to present some of our favorite Dendro stories from past issues. 0.5 CEU (A, U, M, T, Bs).
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Detective Dendro is on the case again! When City Arborist Ashley Green notices the blue spruces (Picea pungens) and Scots pines (Pinus sylvestris) of Maple Park are showing signs of stress, she knows there’s only one person to call. With help from Codit, will Dendro be able to solve the case? Article published in the April 2024 issue of Arborist News.
0.5 CEU (A, U, T, M, L, Bs)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
|
0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
In this case, Codit puts his detective skills to use when he spots an ailing hedge while cruising through a historic neighborhood. With help from the property landscaper, Dendro and Codit must work together to determine the cause of decline. Article published in the December 2023 issue of Arborist News. 0.5 CEU (A, U, M, T, Bs, Bp)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
|
0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
Dendro and Codit are on the case again, and this time, they’re called out to examine a strange row of boxwood shrubs that are exhibiting inconsistent signs of stress. Will the detectives be able to find out why some plants are suffering while others remain green? 0.5 CEU (A, U, M, T, Bs)
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
In this issue, Dendro and Codit’s long overdue vacation is interrupted when the proprietor of the inn they are staying in requests their assistance in solving a mysterious issue in his grandmother’s garden. Will Dendro and Codit branch out and discover what’s behind the decline of these perplexing peonies or is this too difficult even for them? 0.5 CEU (A, U, M, T, Bs)
Detective Dendro quizzes are available to members only for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
CEUs for this quiz may be earned only once during the life of your certification.
|
0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
In their most recent case, Dendro and Codit are off to meet a new client! Loren Collins is a proud master gardener, so why are her Chinese fringe-flower losing so much foliage? Can Dendro and Codit uncover the cause of defoliation before it’s too late to save them? 0.5 CEU (A, U, M, T, L, Bs)
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Dendro and Codit are enjoying the ISA Annual International Conference when they are sent on their newest case. After returning from a short work trip, George Rubra noticed that the oak trees on the slope next to his scenic coastal home had begun to exhibit symptoms of decay. Could this be an abiotic agent at work or something much more sinister? 0.5 CEU (A, U, M, T, L, Bs)
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
In their
latest case, Dendro and Codit get a call from a concerned citizen who noticed a
once magnificent white oak was beginning to lose its limbs. Upon arrival, they
search for evidence of root and canopy failure but feel stumped until they notice
a suspicious path nearby. Will this path give them the answers they seek or
only offer more questions?
0.5 CEU (A, U, M, T, L, Bp)
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
|
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