DISEASE: Gumming disease
HOST: Sugarcane
Symptoms include brownish red streaks on leaves with apical chlorosis. Streaks become necrotic with time. Plants are stunted with reddening of vascular bundles.
Gumming disease | Sugarcane
DISEASE: Gumming disease
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas axonopodis pv. vasculorum
PATHOGEN SYNONYM: Xanthomonas campestris pv. vasculorum
SOURCE: APS
DISEASE: Ratoon stunt
HOST: Sugarcane
Necrotic, reddish vascular bundles in node of sliced stalk, a diagnostic symptom.
Ratoon stunt | Sugarcane
DISEASE: Ratoon stunt
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Leifsonia xyli subsp. xyli
SOURCE: D. Teakle
DISEASE: Ratoon stunt
HOST: Sugarcane
Disease of susceptible cultivar L62-96 (right). External symptoms are characterized by stunting and poor growth.
Ratoon stunt | Sugarcane
DISEASE: Ratoon stunt
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Leifsonia xyli subsp. xyli
SOURCE: A. Gillaspie, M. Davis
DISEASE: Ratoon stunt
HOST: Sugarcane
Red discoloration just below nodal tissues is a symptom in mature stalks of 'L41-233'.
Ratoon stunt | Sugarcane
DISEASE: Ratoon stunt
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Leifsonia xyli subsp. xyli
SOURCE: A. Gillaspie, M. Davis
DISEASE: Ratoon stunt
HOST: Sugarcane
Row of disease 'Trojan' plants (left). Healthy row (right).
Ratoon stunt | Sugarcane
DISEASE: Ratoon stunt
HOST: Sugarcane (Saccharum officinarum 'Trojan')
PATHOGEN: Leifsonia xyli subsp. xyli
SOURCE: D. Teakle
DISEASE: Rugose leaf curl
HOST: Clover
Two rugose, distorted white clover leaves and a healthy leaf. Rugose leaf curl is caused by an unidentified phloem-infecting bacterium.
Rugose leaf curl | Clover
DISEASE: Rugose leaf curl
HOST: Clover (Trifolium repens)
PATHOGEN: Phloem-infecting bacterium
SOURCE: D. Teakle