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couvain dur

chalk brood

agriculture, sylviculture et pêche - iate.europa.eu

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Effects of temperature and other abiotic and biotic factors on development and survival of the immature stages of the alfalfa leafcutting bee, megachile pacifica (panzer) (=rotundata (f.)) (hymenoptera:megachilidae)...progeny.dThe disease chalk brood has been an important mortality factor sinced1974....

général - core.ac.uk - PDF: hdl.handle.net

Epidemiology of honey bee disease and pests in selected zones of tigray region, northern ethiopia... Nosema and Chalk brood diseases were detected only during honey flow season with overall colony level prevalence of 38.8%...

PDF: core.ac.uk

Carpathica), using some specific tests. cercetari preliminare privind determinarea... The hygienic behaviour is the primary way to defend against some bee diseases, especially to American foulbrood (Rothenbuhler, 1964) and chalk brood (Gilliam, 1983)....

PDF: spasb.ro

An experiment for genetic transmission of hygienic behavior in honeybees... It represents a rare type of behavior mechanism of resistance to diseases and it is considered the primary mechanism to self-defense in facing at least 2 of the diseases of the bee brood: AFB and chalk brood....

PDF: journals.usamvcluj.ro

Studies on the infection of honey bee larvae with ascosphaera apisThe fungus Ascosphaera apis causes the disease chalk brood inlarvae of the honey bee, Apis mellifera....

PDF: core.ac.uk