Table 1.

Listings of common weed species from Guadeloupean Yam fields by botanical families and estimated prevalence of Colletotrichum gloeosporioides and C. truncatum on these weeds in four post-harvest fields.

Weed Species	Botanical Family	Prevalence of C. gloeosporioides	Prevalence of C. truncatum
Alocasia macrorrhiza	Araceae	0.8 *	0
Bidens alba	Asteraceae	0.6 *	0
Emilia fosbergii	Asteraceae	0.17	0.08
Erechtites hieracifolia	Asteraceae	0.4	0.2
Cleome rutidosperma	Capparidaceae	0.2	0
Commelina diffusa	Commelinaceae	0.2	0
Ipomea ipocea	Convolvulaceae	0	0
Ipomea quamoclit	Convolvulaceae	0.2	0.2
Ipomea setifera	Convolvulaceae	0.4	0.8
Euphorbia heterophylla	Euphorbiaceae	0.2	0
Chamaesyce Hirta	Euphorbiaceae	0.4	0.2
Euphorbia sp.	Euphorbiaceae	0	0
Phyllanthus urinaria	Euphorbiaceae	0.2	0.8
Calopogonium mucunoides	Fabaceae	0	0
Canavalia esculenta	Fabaceae	0	0
Crotalaria retusa	Fabaceae	0	0
Indigofera sp.	Fabaceae	0.8 *	0.8
Indigofera spicata	Fabaceae	0.6 *	0.6
Macroptilium lathyroides	Fabaceae	0	0
Teramnus labialis	Fabaceae	0.4	0.4
Vigna unguiculata	Fabaceae	0.4	0
Spigelia anthelmia	Loganiaceae	0.8 *	0.4
Malachra fasciata	Malvaceae	0.6 *	0.2
Sida rhombifolia	Malvaceae	0.6 *	0.6
Mimosa pudica	Mimosaceae	0.2	0
Ludwigia octovalvis	Oenotheraceae	0.4	0.2
Passiflora sp.	Passifloraceae	0.8 *	0.8
Passiflora foetida	Passifloraceae	0.6 *	0.6
Datura stramonium	Solanaceae	0.6 *	0
Melochia pyramidata	Sterculiaceae	0	0
Stachytarfeta jamaicensis	Verbenaceae	0	0.2

In bold, high prevalence levels recorded. Asterisks (*) are marking weed species presenting higher risk of increasing anthracnose disease due to prevalence of Colleotrichum gloeosporioides. These were also species specially targeted for sampling in the field experiment.