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  • 1
    ISSN: 1573-8248
    Keywords: Phytomyza orobanchia ; Orobanche crenata ; Vicia faba ; biological control ; geographical distribution ; Syria ; Phytomyza orobanchia ; Orobanche crenata ; Vicia faba ; lutte biologique ; distribution géographique ; Syrie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé On a conduit une étude en 1988 pour déterminer la fréquence et la distribution dePhytomyza orobanchia Kaltenbach dans 21 emplacements du nord-ouest de la Syrie. Des capsules d'orobanche (Orobanche crenata Forska) ont été examinées dans des champs de fève (Vicia faba L.)P. orobanchia était présent dans 95% des emplacements et 55,5% des 630 plantes d'orobanche observées étaient infectées. Sur les 1 890 capsules examinées, 32,5% étaient attaquées. La population deP. orobanchia était plus importante sur la côte, où 79% des plantes étaient endommagées. La production de graines d'orobanche était réduite de 29,4% du fait d'une destruction moyenne de 91,1% des graines dans les capsules infestées.
    Notes: Abstract A survey was carried out in 1988 to determine the occurrence and distribution of the flyPhytomyza orobanchia Kaltenbach [Diptera: Agromyzidae] on broomrape (Orobanche crenata Forskal) at 21 locations in northwestern Syria. Fruit capsules of broomrape were examined in faba bean (Vicia faba L.) fields. The fly was present at 95% of the locations sampled. Of 630 broomrape plants examined over all locations, 55.5% were infested. Of the 1,890 capsules examined, 32.5% were attacked. Fly populations were highest near the coast where 79% of the broomrapes were damaged. The total seed output of broomrape plants was reduced by 29.4% in the surveyed area due to a mean seed destruction of 91.1% per infested broomrape capsule.
    Type of Medium: Electronic Resource
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