linkedin post 2019-02-16 05:44:42

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FRAGMENT FROM NATURE deals with plants ability to detect photoperiods and circadian clocks that are driven by photoperiods. The ability for clocks to respond to seasons and to day time is critical for the coordination of flowering and reproduction for each plant species; without a coordinated response, reproduction would quickly fail, and all plants in a species must be on the same schedule. The cues and molecular mechanisms for these plant clocks are beginning to be successfully unravelled. View in LinkedIn
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linkedin post 2019-02-15 06:10:16

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COMPLEXITY FROM SIMPLICITY. "The Game of Life, created in the 1970s by mathematician John Conway has garnered a cult following. It consists of an infinite grid of square cells that can either be live or dead. It might not sound like much but such humble beginnings can give rise to a zoo of astoundingly complex patterns and processes, which now include self-replicating organisms." https://lnkd.in/d-ckTpQ View in LinkedIn
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linkedin post 2019-02-17 07:14:35

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LEAF GRAFTS. "From grafting experiments, it is known that in some species, induced leaves are independently capable of generating a flowering stimulus over many days or even weeks while in others, favourable cycles must be continued until the apex has become recognizably floral, indicating the need for a continual supply of a floral stimulus (presumably from the leaf) if flower development is to be sustained." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-17 07:13:08

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LEAVES DETECT DAYLENGTH. "Daylength therefore is perceived in leaves and results in a localized change in the properties of that leaf. Flowering then occurs as a result of a signal transmitted from the leaves to the apex. The change in the leaf is termed induction, while the response at the apex leading to the initiation of flowering is sometimes called evocation." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-17 07:11:34

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LEAF VS SHOOT PHOTORECEPTIVITY. "When either the leaves or the shoot tips of photoperiodically sensitive plants are exposed to different daylengths, flowering depends on the daylength given to the leaves and not to the apex. In several instances, leaves from plants, which have been given a daylength treatment that initiates flowering have been grafted on to plants that have not been exposed to permissive daylengths, with the result being flowering in the receptor plants." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-17 07:09:03

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DARK- AND LIGHT-DOMINANT. "Also, in long day plants, unlike in short day plants, the amount and spectral composition of the light given during the day period, especially in the latter part, has a large effect on flowering. If the response to daylength depends primarily on the length of the dark period, the plants are called dark-dominant and conversely, if the light period is the main influence, they are called light-dominant. In general, most short day plants are dark-dominant and most long day plants are light-dominant." https://lnkd.in/d_f7kfY View in LinkedIn
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