Some of the weeds most difficult to control • Sub

Some of the weeds most difficult to control • Sub

Some of the weeds most difficult to control
• Sub-Saharan Africa including Madagascar
Acanthospermum austral, Acanthospermum hispidum, Aframomum sp,
Ageratum
conyzoides, Alectra vogelii, Alternanthera sessilis, Amaranthus spinosus, Amaranthus
viridus, Argemone Mexicana, Bilderkia sp, Borreria alata, Brachiaria spp, Centrosema
pubescens, Chromolaena odorata, Commelina benghalensis, Commelina diffusa, Commelina
forskalaei, Commelina umbella, Convolvulus arvensis, Cosmos bipinnatus, Crotalaria spp,
Cuscuta sp, Cynodon dactylon, Cyperus esculentus, Cyperus rotundus, Dactyloctenium
aegyptium, Datura sp, Digitaria abyssinica, Digitaria ciliaris, Digitaria horizontalis,
Digitaria nuda, Diplachne fusca, Eleocharis sp., Eleusine indica, Emex sp, Euphorbia
heterophylla, Euphorbia hirta, Fallopia sp, Hyptis sp, Imperata cylindrica, Ipomoea
eriocarpa, Ischaemum rugosum, Kyllinga squamulata, Leersia hexandra, Leptochloa sp,
Lolium sp, Melochia sp., Mimosa invisa, Mimosa pigra, Orobanche cernua, Orobanche
crenata, Orobanche ramosa, Oryza bartii, Oryza longistaminata, Oryza punctata, Panicum
repens, Parthenium hysterophorus, Paspalum conjugatum, Paspalum orbiculare, Paspalum
scrobiculatum, Pennisetum pedicellatum, Pereskia aculeate, Physalis angulata, Portulaca
meridiana, Prosopis juliflora, Raphanus sp, Roettboellia cochinchinensis, Rottboellia
exaltata, Schizachyrium platyphyllum, Setaria sp, Snowdenia polystachya, Sorghum
halepense, Striga asiatica, Striga gesnerioides, Striga hermonthica, Tagetus sp, Xanthium
sp.
• North Africa (Morocco)
Ammania coccinea, Avena sterilis, Bromus rigidus, Cardaria draba, Centaurea diluta,
Echinochloa phyllopogon, Gladiolus segetum, Papaver rhoeas, Solanum elaeagnifolium,
Viscum cruciatum, Ziziphus lotus.
• Ecuador
Caperonia palustris, Cyperus rotundus, Digitaria sanguinalis, Eichhornia crassipes, Eleusine
indica, Euphorbia heterophylla, Ipomoea spp, Leptochloa filiformis, Panicum maximum,
Rottboellia cochinchinensis, Sorghum halepense, Trifolium sp.
,
• Guyana
Brachiaria arrecta, Cambomba aquatica, Cynodon dactylon, Cyperus rotundus, Echinochloa
colona, Ischaemum rugosum, Portulaca oleracea, Sagittaria guyanensis, Red rice.
• Lao PDR
Ageratum conyzoides , Amaranthus spinosus , Cyperus iria, Cyperus rotundus, Echinochloa
colona, Eleusine indica, Fimbristylis miliacea, Imperata cylindrica, Marselea crenata,
Mimosa invisa, Mimosa pudica.
• Nicaragua
Amaranthus spinosus, Combretum fruticosum, Cyperus Rotundus, Sida acuta, Sorghum
halepense, Rottboellia cochinchinensis.
• Vietnam
Cyperus rotundus, Imperata cyindrica, Leptochloa chinensis.
By
Gualbert Gbèhounou
based on a 2010 survey report