Vasates in tomatoes another concern for growers in Almeria and Granada

Although the virus raising the most concerns amongst greenhouse growers is the Tomato Leaf Curl New Delhi Virus (ToLCNDV), it is essential not to forget about other famous viruses, of which an increasing number of cases are being detected in Andalusia's greenhouses, according to the Phytosanitary Alert and Information Network (RAIF) of Andalusia's Government. It is also convenient to be wary about pests such as Vasates.

ToCV in tomatoes
On the one hand, the RAIF detected the presence of the Tomato Chlorosis Virus (ToCV) in all areas devoted to tomato cultivation in the province of Almeria.

Although levels are low, the impact is being higher than in previous years, mainly because of the greater spread of its carrier (white flies) this campaign.

The plants affected present an irregular chlorotic mottling that evolves to interveinal yellowing and necrosis. Old leaves wither, appearing fragile and brittle. These symptoms start at the lower part of the plant and spread upwards.

In the fruit it is possible to observe a reduction in calibres and volumes, in addition to delays in the ripening process.

Vasates in tomatoes
During the first half of December, Vasates (Aculops lycopersici) was detected in greenhouse tomato crops in the provinces of Almeria and Granada. This insect usually prefers dry autumnal or spring conditions and it is unusual to find it when temperatures are as low as they currently are.

Only 1% of Almeria's plants and 4% of Granada's have been affected, although the insect's presence has been detected in 83.3% of the plantations tested in Almeria and 54.5% of Granada's.

A widespread treatment is recommended when more than 1 source for every 1,000 m2 is detected

One of its main predators is the Amblyseius swirskii, which has been observed in 35% of Almeria's plants and 44.2% of Granada's.

PeVYV in peppers
With the recent drop in temperatures, the first cases of Pepper Vein Yellows Virus (PeVYV) have been detected in Almeria's greenhouses.

This virus is exclusively transmitted through aphids, and it is thus essential to control their presence in greenhouses where cases of PeVYV have been found.


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