• Y S Dave

      Articles written in Proceedings – Plant Sciences

    • Structural design of the fruit ofSolanum tuberosum L

      Y S Dave N D Patel K S Rao

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      The pericarp ofSolanum tuberosum is 30–40 layers thick. It is a multilayered region of the fruit made up of outer epidermis and the periclinally divided cells of the outer hypodermal layers. The mesocarp is developed from the middle layers and partly from the outer hypodermal cell layers of the ovary. The increment in number of cell layers of endocarp is only upto 0·3·0·8 cm size of the fruit. There are no endocarpic outgrowths. The small chambers are formed by the placental outgrowths surrounding individual seeds. The outgrowths develop further and contact the innermost layer of endocarp or the septa of the fruit.

    • Initiation of adventitious buds in tuberous roots ofIpomoea batatas

      T K Prasad P M Mehta Y S Dave

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      The anatomical development of adventitious buds in the tuberous roots ofIpomoea batatas has been studied. Only the detached tubers regenerate. The bud primordia develop from the procambium-like cells adjoining lateral root scars. Initially, the buds grow away from the surface of the tuber but, later, they turn almost 180°, towards the surface of the tuber, before bursting out of the tuber. The growth of the bud is largely contributed by random periclinal divisions of parenchymatous cells of the bud primordium. The basipetally developed vasculature of the bud is connected to the vasculature of the lateral root.

    • The pericarpic structure ofWithania somnifera (L.) Dunal

      Y S Dave N D Patel A R S Menon

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      The small berry ofWithania somnifera is enclosed in an inflated calyx. Its pericarp is histologically differentiated into a 5–6 layered compressed collenchymatous epicarp, a multilayered zone of parenchymatous mesocarp and a 3–4 layer thick endocarp. The anomocytic stomata surrounded by 4–6 epidermal cells occur only in the basal region of the fruit. The number of cells of the mesocarp does not increase much, but its cells become enlarged, vacuolated and separated at maturity. The endocarpic lobes adhere to the placental false septa and enclose the individual seeds in separate chambers.


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