Coconut tree diseases pencil rot

The disease occurs widespread over the world. It is the most destructive disease in Tamil Nadu, India, where it was first observed after a cyclone in 1952. Often, it occurs in badly managed groves. The disease incidence is positively correlated with mean maximum soil temperatures, and it is not correlated with minimum temperatures, rainfall or relative humidity (Bhaskaran et al, 1989). The disease progresses rapidly in dry areas and more slowly in wet areas. Soil water stress may predispose the palms to infection (Nambiar and Rawther, 1993). Infected palms may die within months in dry areas and survive another five to six years in areas with higher rainfall (Peries et al., 1975). Infection occurs primarily through root contact.

Agricultural expert Dr. Parthepan Krishnaswami talks about the problems faced and effects of pencil rot...

He also tells about his solution to the problem...