FACED WITH THE THREAT OF INTERNAL ROT, THE VINE REACTS BY ABANDONING THE INFECTED SAP CIRCUIT, LEADING TO PARTIAL OR TOTAL APOPLEXY.
The ECOBIOS® FORTISÈVE® formula (nutrient complex, boron + metabolites) raises the energy level of the plants, and conveys the revitalising substances responsible for inducing a form of compartmentalisation within the affected vines, which cuts off the fungi. For Vincent Rapin of St Emilion, “the results are spectacular in blocking the symptoms and reviving the foliage”.
Here is the full article in vitisphere
https://www.vitisphere.com/communique-1666-FORTISEVE-SECURISE-LE-CIRCUIT-DE-SEVE.html