**1.2 Adosa (***A. vasica* **(L.) Nees)**

There are relatively few reports of disease on *A. vasica;* these include leaf spot caused by *Rhizoctonia solani* [4, 5]; Alternaria blight [6] and rust by *Puccinia thwaitesii* [7]; leaf spot by *Alternaria alternata*, anthracnose disease by *Colletotrichum capsici,* leaf rust by *Aecidium adhatodae* [8]; leaf necrotic spots by *Colletotrichum gloeosporioides* [4, 9]; and wilt by *Fusarium oxysporum* Schlect [10]. Wilt disease by *F. oxysporum* occurs during high humidity conditions and the highest disease index and death of 7% of the plants were observed during the month of September and the extent of infection ranged from 3 to 7% in Bangalore (**Figure 2**).

**Figure 1.** *Rust symptoms in* Acorus calamus *(A) caused by* Uromyces acori *(B).*

*Diseases of Medicinal Plants Cultivated in Karnataka and Their Management DOI: http://dx.doi.org/10.5772/intechopen.104632*

**Figure 2.** *Wilt symptoms in* Adhatoda vasica *(A) caused by* Fusarium oxysporum *(B).*
