Results 1 to 10 of about 123,874 (333)
Fertilisation of Flowers by Insects [PDF]
Nature, 1873 IN my last article on Alpine Gentiana species, I supposed that the chief, if not the only fertiliser of G. bavarica and verna might be Macroglossa stellatarum with its proboscis of 25-28 mm. length. Yesterday, near the Albula pass, I was happy enough to confirm this supposition by direct observation.
Hermann J. Müller
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Nature, 1870 WITH candle in hand I have pored through all that you have printed of the speeches delivered by the members of the British Association at Liverpool, till I made a full stop at page 482, where I found “Observations on Protandry and Protogyny in British Plants, by A. W.
A PEACH-GROWER
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Fertilisation of Polygala [PDF]
Nature, 1870 HAS the method of fertilisation of the milkwort, Polygala vulgaris, yet been described? It presents one of the most beautiful contrivances with which I have hitherto met for securing a cross through the agency of insects. The corolla consists of five petals united into one piece and folded into the form of a two-lipped tube, the upper lip of which is ...
W. E. HART
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The Fertilisation of Fumariaceæ [PDF]
Nature, 1874 I VENTURE to suggest the following as possibly an explanation of the fact observed by Mr. Traherne Moggridge, that the flowers of Fumaria pallidiflora attain their brightest colouring when the time for their fertilisation has past.
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Frontiers in Endocrinology, 2021 A rise in serum progesterone in the late follicular phase is a well described adverse effect of ovarian stimulation for IVF/ICSI. Previous data suggest, that enhanced gonadotropin stimulation causes progesterone elevation and the incidence of premature ...
Barbara Lawrenz +7 more
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Fertilisation of the Fumariaceæ [PDF]
Nature, 1874 IN the vegetable kingdom we meet very commonly with gaily-coloured chemical products, essentially connected with the normal processes of development (the chlorophyll of most non-parasitic plants, the splendid rose pigments of Florideae, the many lively-coloured pigments of lichens and fungi), and originating from venomous infection by insects (red ...
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Plant, Soil and Environment, 2021 Slow-release nitrogen fertiliser can potentially increase crop production and improve fertiliser nitrogen use efficiency. However, it is unclear that are suitable for different regions and crops in the northeast of China.
Xiaojie Feng +6 more
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IVF or ICSI for fertility preservation?
Reproduction and Fertility, 2021 In IVF, eggs and sperm are added together for fertilisation to occur whereas ICSI involves injecting a single sperm into each egg. ICSI is very effective where sperm count or swimming is poor (male infertility) but is slightly riskier than IVF in terms ...
Bhorika Aggarwal +3 more
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Diagnostics, 2023 Background: Low birth weight (LBW) is a risk factor associated with endometriosis. Our study aimed to analyze the risk of endometriosis in women with a LBW history and the relationships of progesterone receptor B (PR-B) gene promoter methylation, DNA ...
Arief Setiawan +9 more
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Efficacy of Calcium Chloride Dihydrate Supplementation at ICSI on Patient Outcomes
Fertility & Reproduction, 2022 Background: ICSI typically results in fertilisation rates of >65% however patients may still have low or no fertilisation despite the oocyte and sperm quality appearing normal.
Sophie POPKISS +4 more
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