Cornell Cooperative Extension of
the
~~~Commercial Horticulture Electronic Newsletter~~~
Volume 8, Issue 8
September 2008
Participating Counties: Orange * Dutchess * Putnam
*
Editor: Rosemarie S. Baglia
http://www.cce.cornell.edu
Insect and Disease Control in the Greenhouse
This program is a follow up to last years Greenhouse Biological Control
Tour to Canada. On October 8, 2008, Brian Eshenaur
will be doing an overview of the weed suppressive groundcover study and showing
the demonstration plot followed by owner Deborah Sweeton
discussing her success with biocontrol of thrips at her farm, Techni-Growers
Greenhouses,
DEC pesticide recertification credits will be given for the following categories:
| Category |
Credits
|
| Ornamental and Turf -3a Interior Plant Maintenance -3c Demonstration -10 Greenhouse and Florist -24 Nursery, Ornamentals & Turf -25 |
2.00 |
Can’t make this workshop? There will be other 6 additional locations
around the state
Long Island,
Submitted by Rosemarie Baglia, Cornell Cooperative
Extension Orange County
Chrysanthemum White Rust
As fall approaches and chrysanthemum crops mature, growers should be aware
of a disease that can devastate a crop: chrysanthemum white rust caused
by the fungus Puccinia horiana.
This disease is not known to overwinter in the
It is important to scout your crop and also check mums near the greenhouse
in the landscape including Montauk daisy. Look for any small yellow
spots especially those less than in diameter.
The best place to look for the spots is on the upper surfaces of the young
leaves and flower bracts. A characteristic feature that helps separate
these spots from other spots is the tiny brown speck in the center. Raised
tan to pink colored pustules develop on the opposite
side of the leaf, under the yellow spots. These pustules, from which spores
are released, fade to white with age hence the name white rust.
To help prevent this disease from occurring at your operation, carefully inspect
incoming mums. Imported cut flowers should never be handled in or near
a mum growing facilitya particular challenge for
greenhouse/florist operations. Cool humid conditions favor this disease (temperature
range from 63 75 F).
Since chrysanthemum white rust is a federal quarantine pest, growers are obligated
to report it. If you are not sure if you have white rust, contact your extension
office or NY Ag and Markets to get a confirmation and required control information.
Written by: Brian Eshenaur, NYS IPM bce1@cornell.edu
Oak Wilt Found in Schenectady County
Thanks to keen observations by several homeowners in Schenectady County,
New York and prompt action by Cornell Cooperative Extension educator Chris
Logue, plant pathologists at Cornell recently confirmed for the first time
that oak wilt - a lethal disease of red oaks in the upper Midwest and mid-Atlantic
states and Texas is now present in New York State. So far, oak wilt
is only known to occur in the state in an area equal to about three city blocks
in
For more complete information on disease identification and an integrated
disease management approach to controlling this disease go to www.na.fs.fed.us/spfo/pubs/howtos/ht_oakwilt/toc.htm.
For the video showing in-field screening for oak wilt disease visit www.youtube.com/watch?v=XVUZsvyZfVE.
Source: George W. Hudler, Chair, Plant Pathology
Department, Cornell University
Submitted by Stephanie D. Mallozzi, Cornell Cooperative
Extension Dutchess County
2009 - 2010 New England Greenhouse Floriculture Guide - A Management
Guide for Insects, Diseases, Weeds and Growth Regulators
Greenhouse growers throughout New England rely on the New England Greenhouse
Floriculture Guide as an unbiased source of detailed crop-specific production
recommendations. This compendium of up-to-date information about products
that manage insects, mites, diseases, weeds and algae, and regulate plant
growth, is a must-have manual for professional growers. Since the last
edition, several new products have become available and have been incorporated
into the 2009-2010 publication.
All of the Guide’s chemical recommendations are presented within the
framework of sustainability. The insect/mite section, for example, presents
a practical approach to establishing a comprehensive integrated pest management
program, beginning with detailed information about pest identification and
step-by-step guidelines for implementing an effective scouting program.
Practical guidelines for instituting a biological control program, including
use of banker plants and alternative pest control materials, are provided.
The plant growth regulator (PGR) section not only provides details of which
PGRs to use and how to apply those products to specific
crops, but also explains how to manage crop growth environmentally.
The Guide is updated every two years by floriculture faculty and staff
from the six New England State Universities, and is published by New England
Floriculture, Inc.
The 2009-2010 edition of the Guide will be available to attendees of
the New England Greenhouse Conference at a special conference price of $15
per copy. After the conference, it will be available for $25 per copy via
the New England Greenhouse Conference web site ( www.negreenhouse.org).
To be added to the mailing list to receive the 2008 New England Greenhouse
Conference Program or for more information about the attending the conference
or purchasing the Guide, contact Cindy Delaney, Show Coordinator, 1
Mill Street, Suite 301, Burlington, VT 05401, at 802-865-5202 or via email
at info@negreenhouse.org or visit www.negreenhouse.org.
Submitted by: Rose Baglia, Cornell Cooperative
Extension, Orange County
Growers get In-Depth IPM Experience
Twenty-six growers attended the first IPM In-depth Hands-On workshop July
21, 2008. The half-day program covered thrips
management, water and nutrient testing, and the management of botrytis and
other diseases. Growers got their hands dirty learning how to read pH and
electrical conductivity meters and what the results mean. They got an
up-close example of biocontrol by feeding unsuspecting
thrips to minute pirate bugs (Orius spp.), a thrips predator.
And they ground up plant material to test for impatiens necrotic spot virus
with a virus indicator test. Several brought plant materials of their
own to test the soil or identify disease and insect problems.
In order to make the IPM In-depth workshop as relevant as possible, the attending
growers answered a survey to find out more about them and what they did and
didnt like in the program. The majority attending
have a retail greenhouse as their primary business, but others have nurseries,
wholesale greenhouses, garden centers and even apple orchards. For most,
thrips are a moderate problem but they do plan to
change their thrips management plan based on what
they learned. Many thought improving their monitoring system would help;
others thought they might try other chemical means or biocontrol.
Diseases are also considered a moderate problem, with botrytis, root diseases
and mildews most commonly mentioned as being most troublesome. For botrytis
and root diseases, in particular, a wide variety of crops were listed as being
common hosts including geraniums, petunias, vinca,
callibrachoa and nemesia.
Many growers plan on changing their disease management system. Better
identification, more scouting, and improved sanitation are the top choices
for improvement.
Almost everyone wanted to try the media monitoring methods they learned once
they returned to their greenhouses. And most thought
that using the monitoring would help them adjust their fertilization practices.
Planning for the 2009 IPM In-depth program is going on now! Topics were the
reason most people attended, so help identify those areas most important to
you identification and management of specific insects and diseases, techniques
you would like to learn about, etc. Contact Elizabeth Lamb at eml38@cornell.edu or your local Extension
Educator if you have suggestions. And stay tuned for the announcement
of next years IPM In-depth program!
Photos from the day are available with the article here: www.nysipm.cornell.edu/nursery_ghouse/newsletters/
Written by: Betsy Lamb, NYS IPM, eml38@cornell.edu
|
Pesticide
Certification Exam Schedule |
||
| COUNTY |
TRAINING |
EXAMS |
|
Ulster (845-340-3990) Orange (845-344-1234)
|
October 16, 2008 October 23, 2008 |
November 13, 2008 December 4, 2008 |
Seating may be limited. Reservations are required by all counties. Contact
the Cornell Cooperative Extension office where you wish to attend to sign
up.
The DEC charges $50 for the exam fee (If you are attending the pre-exam training
session, please bring a check or money order for the $50 exam with you that
day). Upon passing the exam, the certification fee is $225 for your
first category (except $100 for cat. 3A or 3B only). This certification
will be valid for a 3 year period (only 1 year for cat. 3A or 3B only).
If adding a category, a letter of experience or 12 recertification credits
are needed to be allowed into the test: also certification fee to be determined
at the time of the exam dependent on expiration date of current license.
For more information contact the New York State Department of Environment
Conservation, Division of Solid and Hazardous Materials, Region 3, 21 South
Putt Corners Road, New Paltz,
Other Professional Horticulture Programs
of Interest
2008 Arboriculture Field Day
Certified Arborists and Tree Care Professionals will have the opportunity
to receive an update on the status of important insect & disease pests
impacting the health of our urban forests and community trees. The keynote
speaker will be Dr. George Hudler, Chair of Cornell
University's Department of Plant Pathology. This program will take place
on Tues. Oct. 7 at Lasdon Park & Arboretum,
Route 35,
For more information, please contact JoAnn Trautmann at jdt34@cornell.edu or Martha Mocbeichel at mpm47@cornell.edu or 914-285-4640. Download
the program flyer at: http://counties.cce.cornell.edu/westchester/PDF/2008ArboricultureFieldDay.pdf
. ISA & NYS DEC Recertification Credits have been applied for.
Native Plant Training Workshop
October 22, 2008, 8:30 am - 5:00 pm.
To be held at Cary Institute for Ecosystem Studies,
Participants will learn techniques and methods for reintroducing native plants
to areas that have been managed for the control of invasive plants and will
also learn how to preserve existing native plant habitats.
Who should attend:
Land managers including local, state and national parks, land stewards, land
trusts and preserves, large land owners such as corporations, religious institutions,
historic mansions, colleges and residential schools, DEC foresters, landscape
architects, horticulturists, growers, nurseries, soil and water conservation
district employees, highway workers, NYS Turf and Landscape , EMC, CAC, and
Master Gardeners.
Presented in cooperation with NYSDEC Estuary Training Program of the Hudson
River National Estuarine Research Reserve, Cary Institute for Ecosystem Studies,
PRISM
2008 Certified Tree Steward Program
The Certified Tree Steward Program will now be opened to municipal employees
with responsibilities in tree care that also work outside of Westchester County.
This 5-day program will include information on tree selection/identification,
tree biology, proper planting/pruning and performing an urban tree inventory.
Sessions will be held on Wed. Nov. 5, Thurs. Nov. 6, & Fri. Nov. 7 at
CCE of Westchester Co., and Tues. Nov. 18 & Wed. Nov. 19 at the Bartlett
Arboretum in
Please note that attendance is limited and early registration is strongly
encouraged. For more information contact Martha Mocbeichel
at mpm47@cornell.edu or 914-285-4640 or visit http://counties.cce.cornell.edu/westchester/PDF/tree%20steward2008-NoWestchester.pdf
. ISA Credits have been applied for.
Certified Landscape Technician Training
Contact: NYSTLA at (914) 993-9455 or visit www.nystla.com.
An optional national testing program to recognize proficiency
of qualified landscape professionals.
Certified Nursery Professional Training Program
Contact: In Dutchess, Putnam & Westchester:
Scott Olivieri, (914) 682-4224; In Orange, Rockland
& Ulster: Mark Masseo (845) 658-9148
By passing this exam you can earn the title Certified
Nursery Professional (CNP). Contact your New York State Nursery and
Landscape Association, listed above, for more details.
If you apply pesticides,
including weed-killers, weed and feed products, insecticides, fungicides,
or tick control products to customer's properties for hire, you or someone
in your company must be a New York State Certified Pesticide Applicator through
the New York State Department of Environmental Conservation and have your
business registered. There are now three levels of commercial certification:
applicator, technician, and apprentice.
For
Commercial Applicators
To be eligible
to take the exams to become certified, you must meet one of the following
requirements:
·
3 out of the past 5 years of verifiable experience as an apprentice
working in the category applicant is seeking certification in; or
·
3 out of the past 5 years as a certified private applicator in a corresponding
private category; or
·
Certification in another State with which New York has reciprocity;
or
·
if seeking certification in the Sales Category - At least 3 years experience
in the sale of pesticides, or can demonstrate, through applicable training
certifications or education degrees, that one possesses appropriate technical
background.
Certified
Pesticide Technician
·
be
at least 17 years of age.
·
2 years of verifiable experience as an apprentice; or
·
completion of a 30-hr. training course, approved by the Department
or a baccalaureate or associate degree from an accredited college or university
in the area seeking certification. These are offered at the following:
Westchester Community College: (914) 785-6830
Dutchess Community College: (845) 431-8904
ATC: (845) 657-7027
For technicians, once certified, desiring full applicator status the following
documentation is required: a letter indicating 2 yrs. of experience or 1 yr.
of experience plus 12 recertification credits. Experience and recertification
credits must be category or sub-category specific.
Pesticide
Apprentice
·
Must
be at least 16 years of age.
·
Must receive 40 hours of pesticide use experience under supervision
of a certified applicator and a minimum of 8 hours of instruction on topics
outlined in Section 325.18 of Part 325 Rules & Regulations relating to
the application of pesticides, before being able to apply general use pesticides
under the off-site direct supervision of a certified applicator.
·
Documentation of the above must be maintained by the certified applicator,
and include: name & address of apprentice; date(s) of instruction or observation;
content of training and certification category; instructor's name and certification
identification number; and an evaluation of the competency of the apprentice.
For
Private Applicators:
·
Must
be at least 17 years old.
·
Have at least one year of full-time experience within the last five
years in the use of pesticides in the category in which certification is requested
– OR
·
Has completed a 30-hr. training course, or has received an associate's
or higher level college degree in the area of which certification is requested.
For further information on eligibility rules and regulations, and fees, contact
the NYSDEC Region 3 Pesticide Staff at (845) 256-3097.
Eligible candidates for certification must attend a training session, and
pass two examinations, administered by the NYSDEC and held in conjunction
with Cornell Cooperative Extension. Once you determine you are eligible for
certification, contact your county's Cornell Cooperative Extension office
for information on registering for the training class and exams. Contact your
local CCE educator to find out training and exam dates for your county in
the
Cornell Cooperative Extension
County Commercial Horticulture Educators
Dutchess: Stephanie Mallozzi,
sdm10@cornell.edu, 845-677-8223 x 104
Orange: Rosemarie Baglia, rsb22@cornell.edu, 845-344-1234
Putnam: Diane Olsen, dko3@cornell.edu, or Jennifer Stengle, jjs95@cornell.edu, 845-278-6738
Rockland: Donna Cooke, dmc72@cornell.edu, or Paul Trader, pwt2@cornell.edu,
845-429-7085
Ulster: Teresa Rusinek,
tr28@cornell.edu, 845-340-3990
Westchester: Rick Harper, rwh26@cornell.edu,
914-946-3005
Sullivan: Marianna Quartararo, mdq2@cornell.edu, 845-292-6180 x 112
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mention of trade names and commercial
products is for educational purposes; no discrimination is intended and no
endorsement by Cornell Cooperative Extension or Cornell University is implied.Pesticide recommendations are for informational purposes
only and manufacturers' recommendations change. Read the manufacturers'
instructions carefully before use. Cornell Cooperative Extension and
Cornell University assume no responsibility for the use of any pesticide or
chemicals.Some of the links provided are not maintained
by Cornell Cooperative Extension and Cornell University. Cornell Cooperative
Extension and