Results 191 to 200 of about 89,219 (393)
HETEROSIS IN THE HONEY BEE (APIS MELLIFERA L.) [PDF]
G H, Cale, J W, Gowen
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Genetic Basis of UV Bullseye Size Variations in Turnip Rape (Brassica rapa subsp. oleifera)
ABSTRACT Floral ultraviolet (UV) patterns are visible to bee pollinators and can affect crop yields by impacting pollinator visitation. However, the mechanisms underlying the intraspecific variations of UV bullseye size remain largely unknown. We analyse the ecological consequences and genetic basis of floral UV bullseye size variation in an important ...
Zhi‐Li Zhou +11 more
wiley +1 more source
Tranų (apis mellifera l.) skraidymo ritmai
2004 ir 2006 m. birželio – rugpjūčio mėn. buvo tiriama medunešių bičių (Apis mellifera L.) tranų skraidymo pradžia, tranų skraidymo dinamika dienos metu ir kokią įtaką jai daro aplinkos temperatūra. Įvertintas išskrendančių ir atskrendančių į tą pačią bičių šeimą tranų skaičius bei tranų skridimas į svetimas bi ių šeimas.
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Марийская популяция пчел apis mellifera mellifera L. в XXI В.
В статье рассматриваются результаты изучения породности марийской популяции пчел среднерусской породы. В пасеках Республики Марий Эл только 45% пчелосемей имеют характерные признаки среднерусской породы; остальные имеют признаки метизации с пчелами желтой кавказской породы. Результаты изучения морфофизиологических характеристик пчел марийской популяции
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Macronutrient composition in pollen affects development and survival in wild bees
Small carpenter bees (Ceratina calcarata) were reared on diets formulated with black poplar and dandelion pollen, while closely monitoring developmental metrics, lipid content and survival. Macronutrient analyses on both pollen types revealed dandelion pollen contained lower levels of protein, essential amino acids and several fatty acids, which ...
Khara W. Stephen, Sandra M. Rehan
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Os objetivos do estudo foram investigar a influência de produtos naturais como capim-limão (Cymbopogon citratus), folhas de abacateiro (Persea americana), casca de café (Coffea arabica) e sementes de mamona (Ricinus communis) na defensividade de Apis ...
Renata Leonardo Lomele +5 more
doaj
Wing venation teratology in Apis mellifera L.
Honey bee (Apis mellifera L.) wing venation is quite distinctive and the resulting pattern is currently used in subspecies discrimination. In recent years the forewings of worker bees sampled in A. m. mellifera, A. m. ligustica, A. m. carnica, and hybrid colonies were examined and various abnormalities - due to the presence of both supernumerary and ...
PORPORATO, Marco +3 more
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Dragon fruit (pitaya; Hylocereus undatus) is a promising, new high‐value crop in New Zealand. The large nocturnal flowers open for one night and close early in the morning the following day over a 3‐ to 6‐month long flowering period. In dragon fruit's native range, hawkmoths and bats are key nocturnal pollinators, and honey bees visit flowers during ...
Max N. Buxton +2 more
wiley +1 more source

