Influence of spring feed on the strength of honey bee colonies during spring development

Anđelković, B.; Jevtic, G.; Mladenović, Marko Z.; Petrović, Mirjana; Vasić, Tanja

doi:10.2298/bah1104757a

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…Основні фактори, які впливають на продуктивність і виживання сім'ї -біорізноманітна кормова база, кліматичні умови та технологічні заходи для підтримання сили бджолиної сім'ї, а також порода бджіл, їх генетичні особливості, віковий стан матки (Polishchuk, 2001;Papchenko, 2013). Хоча медоносні бджоли збирають нектар і пилок у широкому діапазоні кліматичних умов, вони зменшують свою льотну діяльність під час несприятливих погодних умов (Brovarskyi & Bahrii, 1995;Andjelkovic et al, 2011). Науковці підтверджують, що багаті нектаром та пилком дерева та кущі зменшують негативний вплив гарячої, сухої, вітряної погоди (Abdulaziz, 2020).…”

Section: вступunclassified

Influence of early spring feeding on the development of bee families in the natural lands of Polissya

Січенко

2021

SMLNUVMBA

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To ensure intensive early spring development of bee colonies in the natural lands of Polissya Zhytomyr region in the winter-spring period it is necessary to feed stimulating food. Therefore, the aim of the work is to study the influence of spring feeding with sugar-honey dough on the development and honey productivity of bee families of Ukrainian breed in conditions of clean and radioactively contaminated natural lands of Zhytomyr Polissya. The influence of feeding bee colonies with sugar-honey dough (powdered sugar, centrifuged honey, water) using pure and radioactively contaminated honey on the intensity of development and honey productivity was studied. To do this, two groups were created with experimental families of Ukrainian bee breeds, selected on the principle of analogs, one of which was in a radioactively clean area, and the other in radioactively contaminated soils 137 Cs within 15 Ki/km² and above. A comparative assessment of the early spring development of families was made: from March 16 to May 20, with an interval of 21 days, the number of open and sealed brood, egg production of queens during the honey harvest season was determined. Honey productivity at the honey harvest from natural lands was determined by the amount of honey obtained in spring and summer. Early spring feeding with sugar-honey dough promotes intensive development of families, and the content of radioactively contaminated honey does not have a negative impact on their development. After the end of the season of honey collection from natural lands, bee families of Ukrainian breed, both in the radioactively contaminated and clean zone, had a medium strength and could successfully overwinter.

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Section: вступunclassified

Influence of early spring feeding on the development of bee families in the natural lands of Polissya

Січенко

2021

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“…Для стимуляції весняного розвитку бджолиних сімей, підвищення їх продуктивності та резистентності до різних захворювань в практичному бджільництві використовуються різні стимулюючі препарати, в тому числі з додаванням мікроелементів (Alaux et al, 2010;Anđelković et al, 2011;Kalashnikova, & Sidorova, 2016). Доведено, що для нормального розвитку однієї личинки бджоли необхідно 125-185 мг перги.…”

Section: вступunclassified

The influence of citrates Ag and Cu on the lipid composition of the tissues of the honey bees body and bee bread under the condition of their added to the feeding in the spring period

Dvylyuk¹,

Kovalchuk²

2019

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Experimental data of the lipid composition of the honey bees and bee bread in the spring period under the conditions of feeding sugar syrup with Ag and Cu citrates are presented in the article. The studies were conducted on 3 groups of bee colonies, three bee colonies each. Control group (I) received sugar syrup at a concentration of 1:1 (1000 ml per week), experimental (II) group received under similar conditions with sugar syrup 0.2 mg of Argentum and 0.2 mg of Cuprum in citrate form. The third experimental group was fed with sugar syrup Ag and Cu citrates at doses of 0.5 mg each per 1000 ml of sugar syrup per week. The study was lasted 36 days. Samples of tissues of the whole organism of honey bees in the amount of 30–35 pieces were selected for the study. from each bee colony and bee bread to determine the total lipid content by the Folch method and their separate fractions: phospholipids, mono- and diacylglycerols, free cholesterol, non-esterified fatty acids, triacylglycerols, esterified cholesterol glycol cholesterol using thin layer chromatography using silica gel plates Sorbfil. According to the results of the research, we found intergroup differences of total lipid content in the tissues of whole organism of the honey bees and bee bread of experimental groups in comparison with the control group. Higher levels of phospholipids, esterified cholesterol, and lower levels of free cholesterol, mono- and diacylglycerols and triacylglycerols were found in the tissue of bees II and III of the experimental group. Introduction of Ag and Cu citrates into the components of bee feeding in the bee bread the level of phospholipids (P ˂ 0.01), mono and diacylglycerols (group III), triacylglycerols increased against the decrease of free cholesterol (P ˂ 0.05) and esterified cholesterol (P ˂ 0.01).

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“…The number of studies has been carried out to assess the influence of genetic factors, environmental conditions and the crop management on the seed yield (Andjelkovic et al, 2010;Abd El-Naby et al, 2016;Chen et al, 2016;Avci et al, 2017;Pajcin et al, 2020;Marinova, 2021).…”

Section: Introductionmentioning

confidence: 99%

ESTABLISHMENT OF PHENOTYPIC VARIABILITY AND CORRELATIONS OF SEED YIELD AND YIELD RELATED TRAITS IN ALFALFA (Medicago sativa L.) CLONAL PROGENIES

Marinova,

Stoyanova

2024

Turkish Journal of Field Crops

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The aim of present study was to evaluate phenotypic variability of seed yield and yield-related traits and to establish the relationships among them at eleven alfalfa clonal progenies. The study was conducted in experimental field at Institute of Agriculture and Seed Science Obraztsov chiflik - Ruse under conditions of open pollination (polycross), from 2014 to 2016. The traits plant seed yield, plant height, generative stem number, inflorescence number, pod number, seed number and 1000-seed weight were evaluated. The factors year, genotype and year x genotype interaction had a significant influence on all morphological and generative traits. There was wide range of variability for all analized traits between progenies and over study period. PM30 progeny showed superior scores regarding all traits studied and four progenies distinguished with high phenotypic expression of seed yield, pod number, seed number and 1000-seed weight. These progenies are valuable germplasm source to be used in further breeding to develop a new synthetic alfalfa variety with stable seed yield. It was found seed yield strongly and positively correlated with plant height, seed number per pod and pod number per inflorescence, wtich suggest that selection for improving alfalfa seed yield may be performed directly through selection on these three traits.

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Influence of spring feed on the strength of honey bee colonies during spring development

Cited by 4 publications

References 2 publications

Influence of early spring feeding on the development of bee families in the natural lands of Polissya

Influence of early spring feeding on the development of bee families in the natural lands of Polissya

The influence of citrates Ag and Cu on the lipid composition of the tissues of the honey bees body and bee bread under the condition of their added to the feeding in the spring period

ESTABLISHMENT OF PHENOTYPIC VARIABILITY AND CORRELATIONS OF SEED YIELD AND YIELD RELATED TRAITS IN ALFALFA (Medicago sativa L.) CLONAL PROGENIES

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