خيارات البحث
النتائج 1 - 3 من 3
Phytosanitation in St. Lucia
1987
St Hill, T. (St. Lucia Banana Growers' Association, Castries (St. Lucia))
The major banana pests and diseases influenced by poor field management are highlighted. Control of leaf spot (Sigatoka) benefits from a plant density from 1550 to 2100 mats/ha, weed control and detrashing and adequate surface drainage. Nematodes, borers (cosmopolites sordidus), thrips and mosaic virus are reduced by weed control, trash removal and sleeving
اظهر المزيد [+] اقل [-]Phytosanitary problems of citrus in St. Lucia
1987
Auguste, A.D. | Henry, E. | Mathurin, G. (Ministry of Agriculture (St. Lucia). Crop Protection Unit)
Damage to citrus is mainly due to citrus weevils (Diaprepes spp.), scale insects and aphids. Other minor pests are listed. Exocortis and Tristeza are absent but diseases of minor importance are greasy spot (Mycosphaerella citri) and melanose (Erisiphe sp.)
اظهر المزيد [+] اقل [-]Cassava's natural defense against arthropod pest
2012
Calatayud, Paul-André | Múnera, Diego Fernando
