Insect and disease problems occur throughout the landscape, and can be a confusing topic. When you need suggestions for treatment, or help with identification, this is the place to start.
Topic Topic Starter Replies Views Last Post
Pear tree problem <Russ> 1 586
Tuesday June 04, 2002 01:22 AM
by <Mark Goodwin>
birch fungus <Dave> 1 602
Monday May 27, 2002 03:15 PM
by <Russ Carlson>
eriophyid mites <chuck owers> 2 578
Tuesday May 21, 2002 09:18 PM
by <Guy>
OAKTREE CATERPILLARS <SUSIE CARR> 4 767
Sunday May 19, 2002 04:28 AM
by <Debbie Lindaman>
White Willow leaves turning yellow and falling <Bryan> 0 677
Thursday May 16, 2002 11:55 PM
damaged bark due to wasps last fall <Danese> 2 613
Thursday May 16, 2002 02:02 AM
by <Kelly J Bennion>
rooting trees <Karen Childress> 1 503
Saturday May 11, 2002 12:11 PM
by <Guy>
Coastal Redwoods threatened <Reed Holt> 6 613
Thursday April 18, 2002 11:58 PM
by <Ralph Zingaro>
Bark sheer fungus and decline <JPS> 6 655
Thursday April 11, 2002 01:27 AM
by <Reed>
new decay diagnosis reference <Guy> 6 690
Sunday March 24, 2002 02:16 AM
by <Russ Carlson>
diagnosis of probable root crown disease <Mark Goodwin> 8 1143
Tuesday March 19, 2002 01:04 AM
by <Mark Goodwin>
Arborsystems injection system <Jack Radecki> 4 1554
Saturday March 02, 2002 12:53 AM
by <Don Beckwith>
GROWING TREES IN SOUTHERN NEVADA <BAUMGARTNER> 2 952
Friday February 15, 2002 08:28 AM
by <Zvonka>
tree disease in ficus Benjaminus <Rachael Zanka> 0 805
Tuesday January 01, 2002 07:32 AM
"ugly stub" method for fireblight control <Mark Goodwin> 1 501
Monday December 17, 2001 11:10 PM
by <Guy>
Hpoxylon <Guy> 1 565
Saturday December 15, 2001 02:07 AM
by <Reed>
Insects and Disease <Guy Meilleur> 8 957
Thursday December 13, 2001 12:06 PM
by <Guy>
Ganoderm curtisii <Tom Watson> 3 587
Sunday December 02, 2001 12:03 AM
by <Guy Meilleur>
Dormant Oil <David Brunner> 2 551
Wednesday November 21, 2001 07:46 AM
by <John Paul Sanborn>
Sealing pruning cuts <Greg Miller> 6 2641
Saturday November 10, 2001 01:08 PM
by <Ali Reza Shirinnezhad>
Hickory deseases gall <David Brunner> 4 693
Friday November 09, 2001 05:46 AM
by <Mark Goodwin>
anthracnose in ulmus parvifolia <Dan> 1 659
Sunday October 28, 2001 02:05 AM
by <John Paul Sanborn>
English Walnuts turning black <Kathy> 2 628
Wednesday September 26, 2001 01:14 AM
by <Mark Goodwin>
leaking tree <shawn> 3 632
Friday September 21, 2001 10:16 AM
by <JPS>
Welcome <Russ Carlson> 1 520
Tuesday September 18, 2001 03:01 AM
by <Dorothy>
oak trees dying,help me please <bruce in sc> 3 944
Monday September 17, 2001 12:24 PM
by <Russ Carlson>
Oak wilt <Wilbon Davis> 1 590
Sunday September 09, 2001 11:49 PM
by <Reed>
Gnomoniella carpinea <Paul> 2 486
Sunday September 09, 2001 09:04 PM
by <Paul>
Spraying Pines for prevention <Wendi> 0 423
Thursday September 06, 2001 03:37 AM
Dutch Elm Disease Treatment Costs <terry> 1 586
Wednesday September 05, 2001 09:58 AM
by <JPS>
Pine disease, insect or age <Wendi> 3 818
Thursday August 30, 2001 04:59 AM
by <Mark Goodwin>
Robinia revisited <Russ Carlson> 1 478
Saturday August 25, 2001 07:00 AM
by <JPS>
Sick & dying California White Alder <Elmer G Szanto> 1 595
Thursday August 23, 2001 05:23 AM
by <Russ Carlson>
Unknown insect on Heritage river birch <nancy> 1 598
Thursday August 23, 2001 05:09 AM
by <Russ Carlson>
plant bughoneylocust <Mary Jane Jackson> 1 515
Sunday August 05, 2001 08:26 AM
by <JPS>
On DED 3 year treatment <JPS> 1 899
Friday August 03, 2001 08:06 AM
by <JPS>
wwwForestryImagesorg <John Paul Sanborn> 0 455
Tuesday July 31, 2001 07:41 AM
Pin Oak fungus <Mark Little> 0 652
Tuesday July 24, 2001 03:35 AM
Black Knot <Kim> 4 942
Tuesday July 17, 2001 11:38 AM
by <Offie Soldin>
Hard Maple bark disease <Jeremy Crossland> 1 661
Friday July 13, 2001 02:44 PM
by <Russ Carlson>
Eucalyptus Lurp Psyllids <L Beeall> 1 569
Wednesday July 11, 2001 10:27 AM
by <John Widdup>
DED resistant elms <Jim Clark> 1 502
Tuesday July 03, 2001 07:58 AM
by <lewbloch>
red and green nodules on maple tree leaves <Greg Heckman> 4 873
Saturday June 30, 2001 08:23 AM
by <Dai Davies>
Yellow Dropping leaves on Fruitless Mulberry <d arnold> 1 966
Friday June 29, 2001 12:26 PM
by <Mark Goodwin>
Fungus ID on Giant Sequoia <Steve Hespen> 0 459
Thursday June 21, 2001 10:53 AM
Decay Testing Device <Matt Rivers> 0 396
Thursday June 21, 2001 08:04 AM
paranthrene simulans in So red oak <Mickey> 0 505
Friday June 15, 2001 11:30 PM
Red Oak --- <Dennis> 0 476
Tuesday June 12, 2001 04:51 AM
yellowing fig leaves <Allen> 4 748
Tuesday June 12, 2001 02:35 AM
by <Mark Goodwin>
Ehhh, the sour smell of slime flux <Guy Meilleur> 0 447
Monday June 04, 2001 03:08 AM