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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

12/06/2009

GRAPEVINE Phenological stage: Setting
Mildew:
The risk of secondary infection after the environmental conditions occurring in the last days has been high, and in fact new oily spots have appear in untreated control plots. Weather forecast announces quite stable weather for next week. Due to the high sensitivity of grapevine it is advised to increase monitoring, and treat whenever new symptoms appear.
Oidium:
With the constant and relatively strong precipitations of these days, oidium did not increase. However, at present grapevine is highly sensitive to the disease, thus it is necessary to perform a high surveillance of the grapevines.
Botrytis:
Precipitations of these days occurring at the end of the blooming period have caused that many flower caps adhere to the berries and did not separate. Botrytis can occur in moist conditions, thus at least in very sensitive varieties (Treixadura, Godello..) it is advised to apply *a preventive treatment mainly directed to berries.*
Moths:
Along this week almost no captures have been recorded in the pheromone traps. It is not necessary to treat.
Ácaros:
Along this week we have detected the first mobile stages of the red spider Panonychus ulmi on samples submitted to our laboratory taken in O Salnés area. So far, mites were only found on 2% of the leaves, thus it is not necessary to treat, however the increase of temperatures could favour mite populations.
APPLE TREE
Apple scab:
Environmental conditions of these days have favoured infections caused by this fungus. It is advised to protect plants against this mite to avoid damage to the fruit.
Oidium :
Symptoms of the pathogen have been observed again in terminal shoots. However, its presence is limited to some plantations.
Cydia pomonella:
We have only captured a single adult in the pheromone traps placed in our monitoring plots. In general, it is not necessary to treat. In case specific monitoring is not performed, it is advised to keep the plants protected, since certain variability among areas may take place.
CHESTNUT TREE
Pammene fasciana:
We have recorded the first captures of this chestnut pest in our pheromone traps.