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Weekly Late Blight Update

This page is the online version of a listserv intended to facilitate communication about late blight in New York and the contiguous states and Canadian provinces. The report is collected by Abby Seaman, NYS IPM's Area Extension Educator for Vegetables.

To send a message to the listserv, address it to: cce-staff-lateblight-l@cornell.edu

For 7-7-09:

I think we can assume that late blight is widespread, to the point that we may not be hearing about all new finds.

Outside our reporting area, late blight has been found on potatoes in 3 parishes in New Brunswick.

Commercial farms and home gardens this week:

From John Mishanec 7/7:

In New York in Albany county - one farm with two very infected tomato fields, one potato field not infected. Also a confirmed report from Dutchess Co. on tomatoes on an organic farm and an unconfirmed report from Fulton Co. from another organic farm, crop not reported.

From Maire Ullrich 7/7:

In New York she has found late blight on every farm she visited in the southern, central, and western parts of Orange county.

From Chuck Bornt 7/7:

In New York on tomatoes at commercial farms in Albany, Rensselaer, and Washington counties.

From Maire Ullrich 7/3:

In New York in tomatoes and potatoes on a larger acreage organic farm in Orange County

From Monica Roth 7/3:

In New York on tomatoes in a community garden in Tompkins Co.

Garden centers this week:

Additional NY counties: Warren, Saratoga, Fulton, Oneida

Previous Reports:

6.30.09

Commercial farms and home gardens:

From Chris Smart 6/30:

In New York, late blight has been found in two commercial potato fields, one in Wayne Co., and one in Genesee Co.

Forwarded by Steve Johnson 6/29:

Late Blight has been confirmed in four potato fields in the Monteregie area, south of Montreal, Quebec

From Beth Gugino 6/26:

In Pennsylvania, 3 acres of potatoes in Lancaster Co., and tomatoes and potatoes in a large garden in Centre Co.

From Sharon Douglas 6/26:

In Connecticut, on tomato in community gardens in West Hartford and Wethersfield (Hartford County)

From Sally Miller 6/25:

In Ohio, late blight on a tomato plant purchased from a store in Franklin County (Columbus)

From Beth Gugino 6/24:

In Pennsylvania, from a commercial grower on potato and tomato and on tomato in in a garden, both in Blair Co.

From Meg McGrath 6/24:

On Long Island, on tomatoes in a home garden.

Infected tomato transplants have been reported in garden centers in several states:

New York: Chautauqua, Chenango, Clinton, Cortland, Erie, Franklin, Jefferson, Lewis, Monroe, Ontario, Orange, Orleans, Saratoga, Schenectady, Suffolk, Tompkins, Ulster counties

(For non-NYers, the counties on this list represent areas from northern NY to Long Island and western NY to eastern NY.)

Massachusetts (Hampshire Co.)
Pennsylvania (Bradford Co.)
Connecticut (Middlesex County)

Infected tomato transplants were also found in garden centers in Bangor, Houlton and Presque Isle, Maine

6.23.09

From Meg McGrath 6/23:

Late Blight on Long Island in commercial potatoes

From Beth Gugino and Sara May 6/18:

Late blight on potato and tomato from a garden in Bedford, Co., PA

From Andy Wyenandt 6/18

Late blight has been found on tomato in southern New Jersey.