
TY  - JOUR
A1  - Cameron, DF 
A1  - Irwin, JAG 
A1  - O'Brien, RGO 
T1  - Variability in isolates of <I>Colletotrichum gloeosporioides</I> causing anthracnose diseases of <I>Stylosanthes</I> species
JF  - Australian Journal of Experimental Agriculture
JO  - Aust. J. Exp. Agric.
Y1  - 1985
VL  - 25
IS  - 2
SP  - 444
EP  - 449
KW  - 
UR  - https://doi.org/10.1071/EA9850444 
N2  - Field surveys for anthracnose disease in pastures and seed crops of Stylosanthes spp. detected a rapid spread of Type B disease in the wet coast region of northern Queensland in 1978, but no new pathogenic races of Type B were found. The recovery of a pathogenic isolate of Glomerella cingulata, the sexual stage of Colletotrichum gloeosporioides, from a Type B isolate suggests that G. cingulata may be a significant component in the life cycle of the disease and may be involved in the development of new pathogenic races of the fungus. With Type A disease, there was evidence of differential specialization of isolates on S. humilis cv. Paterson and S. scabra cv. Fitzr0y.A seed crop of S. hamata cv. Verano was severely damaged by Type A anthracnose, but isolates from the crop produced only slight damage on plants in glasshouse inoculation tests. Plants induced to flower and seed at 8 weeks of age in a controlled environment room were no more susceptible to the seed crop isolates than plants 2, 4 or 6 weeks old. 
ER  -

