You are here


Xanthonomas campestris p.v.juglandis

The bacteria causes damage to buds, leaves and fruit. Requires temperature between 1 and 37 degrees C, with an optimum temperature between 28 and 32 degrees C. The humidity It is essential for their development. The sensitivity is different depending on the variety.

Control almost exclusively with copper products in different formulations, requiring one to ten treatments per year, according climatologies conditions and varieties. The first treatment in pre-budding. In spring should be treated every 7-10 days to maintain the new growth covered. The dose should be high, 4 kg of copper metal per hectare (8 Kg of commercial product 50% or 6 kg if 70%). The addition of mancozeb or maneb, improving treatment effect.