Weed species and distribution and harmfulness of vegetables field of eggplant in the Changde Area

A field survey was conducted to investigate the weed species and their distribution and harmfulness of vegetables field of eggplant in the Changde areas. This study indicated that the weeds of vegetables field of eggplant were 38 species, belonging to 16 families, in which Gramineae, Compositae, Caryophyllaceae, Polygonaceae, Scrophulariaceae, Cyperaceae and Cruciferae were dominant families. The dominant species included Beckmannia syzigachne, Digitaria sanguinalis, Cyperus rotundus, Cerastiwm arvense, Portulaca oleracea, Alternanthera philoxeroides, Acalypha australis, Mazus japonicus, Ludwigia prostrata, Poa annua. This study also comprehensively compared the weed species and their distribution and harmfulness in vegetable field with plastic film to those in vegetable field without plastic film, which would provide the important information for control weeds of vegetable field of eggplants.