Nectar Sugar Concentration as a Measure of Pollination of Alfalfa [Medicago SativaL.]
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منابع مشابه
Honeybees prefer warmer nectar and less viscous nectar, regardless of sugar concentration.
The internal temperature of flowers may be higher than air temperature, and warmer nectar could offer energetic advantages for honeybee thermoregulation, as well as being easier to drink owing to its lower viscosity. We investigated the responses of Apis mellifera scutellata (10 colonies) to warmed 10% w/w sucrose solutions, maintained at 20-35°C, independent of low air temperatures, and to 20%...
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15 صفحه اولCultivation of Alfalfa (medicago Sativa L)
Madicago sativa Linn, commonly known as 'Alfalfa', is a tonic plant rich in proteins, minerals, enzymes and vitamins, Bulk quantity of the whole plant is required in the pharmaceutical industries especially in homoecopathic pharmacies, Hence, there is a great need to cultivate this plant for sustained supply of the drug. Use of good and adequate phosphatecontaining farm yard manure, timely irri...
متن کاملSugar concentration in nectar: a quantitative metric of crop attractiveness for refined pollinator risk assessments
Those involved with pollinator risk assessment know that agricultural crops vary in attractiveness to bees. Intuitively, this means that exposure to agricultural pesticides is likely greatest for attractive plants and lowest for unattractive plants. While crop attractiveness in the risk assessment process has been qualitatively remarked on by some authorities, absent is direction on how to refi...
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ژورنال
عنوان ژورنال: Journal of Apicultural Research
سال: 1962
ISSN: 0021-8839,2078-6913
DOI: 10.1080/00218839.1962.11100043