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PHYTOSANITARY BULLETIN PHYTOSANITARY WARNING FLIGHT CURVES ADVICE THRESHOLDS
2009 Previous Years

Aug13	Grapevine and Apple tree

Aug06	Grapevine and Apple tree

July30	Grapevine, Apple tree and Pine

July23	Grapevine, Apple tree, Oak and Pine

July16	Grapevine, Apple tree and Oak

July13	Grapevine

July09	Grapevine, Apple tree and Several crops

July02	Grapevine, Apple tree, Stone fruits and Maize

June25	Grapevine, Apple tree and Maize

June19	Grapevine, Apple tree and Chesnut tree

June12	Grapevine, Apple tree and Chesnut tree

June09	Several Crops, Grapevine and Walnut tree

June04	Grapevine and Apple tree

May29	Grapevine, Apple tree, Several crops and Forestry species

May22	Grapevine and Apple tree

May15	Grapevine, Apple tree y Cítrics

May08	Grapevine, Apple tree, Quince tree and Camellia

Apr30	Grapevine, Kiwi plant and Camellia

Apr23	Grapevine and Apple tree

Apr22	Grapevine

Apr17	Grapevine, Apple tree, Peach tree and Evonymus

Apr13	Grapevine, Various Crops, Kiwi plant, Oak and Camellia

Apr08	Grapevine and Apple tree

Mar20	Grapevine, Apple tree and Oak

Mar17	Grapevine

Mar13	Grapevine

Mar10	Pine, Apple tree, Stone Fruit Trees and Ornamentals

Jan05	Fruit Trees, Grapevine and Devices to apply Phytosanitary Products

PHYTOSANITARY WARNING

13/04/2009

GRAPEVINE

Grapevine mildew:

Weather forecast announces unstable weather for the following days, heavy showers and relatively low temperatures. In general, rain alternating with dry periods favour mildew development, thus special attention should be paid to the grapevine since symptoms of the pathogen could appear.

VARIOUS CROPS

Damage by hail and frost:

During the last days, some areas in Galicia have experienced heavy frosts that have burnt plant shoots. In addition, during the last week other areas have been subjected to quite strong hails. At present, as shoots are still tender, those plants damaged by these weather phenomena should be treated with captan.

KIWI PLANT

Pseudomonas syringae::

Since blooming period in kiwi plants is now about to take place, it is advised to search for necrosis and/or spots on flower buds, leaves, etc. These symptoms could be produced by this bacterium, but it needs to be confirmed by analysis. If positive, it is recommended to apply cupper-based products (also these products could be applied as a preventive measure)

OAK

Altica quercetorum:

Symptoms of Altica quercetorum attack were observed in some areas of Lugo and Ourense provinces (in the phytosanitary warning of March 20th we have warned about the possibility of apparition of damages caused by the pathogen). Registered products for the control of this pest in Spain are deltamethrin and flufenoxuron that should be applied covering completely the vegetation.

CAMELLIA

Aphids:

First colonies were observed in the shoots. In case these insects are detected, it is advised to apply an imidacloprid, cipermetrin or tau-fluvalinate based insecticide. All these products are registered for use by the Ministry of Agriculture in Spain.