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POPULATION DENSITY OF PHYTONOMUS VARIABILIS HRBST. AND PHYTODECTA FORNICATA BRUGG. ON MULTIFOLIOLATE AND TRIFOLIOLATE ALFALFA IN RELATION TO ANATOMICAL CHARACTERISTICS ON THEIR LEAVES

DANIELA YORDANOVA ATANASOVA ; Agricultural University-Plovdiv, 12 Mendeleev Str, Plovdiv 4000, Bulgaria, Department of Entomology, Bulgaria
IVANKA BOJKOVA SEMERDJIEVA ; 2Agricultural University-Plovdiv, 12 Mendeleev Str, Plovdiv 4000, Bulgaria, Department of Botany, Bulgaria


Puni tekst: engleski pdf 580 Kb

str. 321-326

preuzimanja: 646

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Sažetak

Two alfalfa cultivars - the multifoliolate “Mnogolistna 1” and the trifoliolate “Europe” were investigated for their resistance towards two main alfalfa defoliators Phytonomus variabilis Hrbst., 1795 and Phytodecta fornicata Brugg., 1873. The results of the two year study showed that the population density of both pests was higher in the“Mnogolistna 1” fields. The anatomical study of the leaves showed that multifoliolate alfalfa cultivar has narrower palisade and
spongy parenchyma and thinner leaves and cuticle which make it less resistant to Ph. variabilis and Ph. fornicata.

Ključne riječi

feeding behavior; alfalfa weevil; Phytodecta fornicata Brugg.; epidermis, mesophyll; cuticle; trichomes

Hrčak ID:

52335

URI

https://hrcak.srce.hr/52335

Datum izdavanja:

19.2.2010.

Podaci na drugim jezicima: bugarski

Posjeta: 1.585 *