Search Results - "WELSCHEN, R."

Overestimation of respiration rates in commercially available clamp‐on leaf chambers. Complications with measurement of net photosynthesis by Pons, T. L., Welschen, R. A. M.

“…The possible interference when measuring gas exchange with respiratory CO2 produced under the gasket of commercially available clamp‐on leaf chambers was…”
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Why do fast‐ and slow‐growing grass species differ so little in their rate of root respiration, considering the large differences in rate of growth and ion uptake? by Scheurwater, I., Cornelissen, C., Dictus, F., Welschen, R., Lambers, H.

“…Herbaceous plants grown with free access to nutrients exhibit inherent differences in maximum relative growth rate (RGR) and rate of nutrient uptake. Measured…”
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Two Rumex Species from Contrasting Hydrological Niches Regulate Flooding Tolerance through Distinct Mechanisms by van Veen, Hans, Mustroph, Angelika, Barding, Gregory A., Vergeer-van Eijk, Marleen, Welschen-Evertman, Rob A.M., Pedersen, Ole, Visser, Eric J.W., Larive, Cynthia K., Pierik, Ronald, Bailey-Serres, Julia, Voesenek, Laurentius A.C.J., Sasidharan, Rashmi

“…Global climate change has increased flooding events, which affect both natural vegetation dynamics and crop productivity. The flooded environment is lethal for…”
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Regulation of Alternative Oxidase Activity in Six Wild Monocotyledonous Species. An in vivo Study at the Whole Root Level by Frank F. Millenaar, Gonzàlez-Meler, Miquel A., Fiorani, Fabio, Rob Welschen, Miquel Ribas-Carbo, Siedow, James N., Anneke M. Wagner, Lambers, Hans

“…The activity of the alternative pathway is affected by a number of factors, including the level and reduction state of the alternative oxidase (AOX) protein,…”
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Midday depression of net photosynthesis in the tropical rainforest tree Eperua grandiflora: contributions of stomatal and internal conductances, respiration and Rubisco functioning by Pons, Thijs L, Welschen, Rob A M

“…High midday temperatures can depress net photosynthesis. We investigated possible mechanisms underlying this phenomenon in leaves of Eperua grandiflora (Aubl.)…”
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effect of nitrate-nitrogen supply on bacteria and bacterial-feeding fauna in the rhizosphere of different grass species by Griffiths, B.S, Welschen, R, Arendonk, J.J.C.M. van, Lambers, H

“…Microbial growth in the rhizosphere is affected by the release of organic material from roots, so differences in carbon budgets between plants may affect their…”
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Amounts of gonadotrophins required for normal follicular growth in hypophysectomized adult rats by Welschen, R

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Effect of unilateral ovariectomy on follicular growth in hypophysectomized rats treated with pregnant mare serum gonadotrophin by Welschen, R

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Corpora lutea atretica in ovarian grafts by Welschen, R

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Compensatory ovarian growth and compensatory ovulation after unilateral ovariectomy in rats with an ovarian autograft in the region of the portal vein by Welschen, R

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Ovulation in adult rats after treatment with pregnant mare serum gonadotrophin during oestrus by Welschen, R

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Serum concentrations of follicle-stimulating hormone and luteinizing hormone after unilateral ovariectomy in the adult rat by Welschen, R, Dullaart, J

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Follicle growth in the immature rat ovary by Hage, A J, Groen-Klevant, A C, Welschen, R

“…In ovaries of immature rats the following parameters were estimated from autoradiographs prepared after pulse labelling with tritiated thymidine: 1) The time…”
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Interrelationships between circulating levels of estradiol-17 beta, progesterone, FSH and LH immediately after unilateral ovariectomy in the cyclic rat by Welschen, R, Dullaart, J, De Jong, F H

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Levels of follicle-stimulating hormone, luteinizing hormone, oestradiol-17 beta and progesterone, and follicular growth in the pseudopregnant rat by Welschen, R, Osman, P, Dullaart, J, de Greef, W J, Uilenbroek, J T, de Jong, F H

“…Throughout a period of pseudopregnancy the peripheral blood levels of progesterone, oestradiol-17 beta, follicle-stimulating hormone (FSH) and luteinizing…”
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Ovulation in adult rats after treatment with pregnant mare serum gonadotrophin during oestrus by Welschen, R, Rutte, M

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Possible involvement of inhibin in the interrelationship between numbers of antral follicles and peripheral FSH concentrations in female rats by Welschen, R, Hermans, W P, de Jong, F H

“…The possible dependence of peripheral concentrations of FSH on a non-steroidal, ovarian factor, was studied in adult female rats. Increases in FSH levels…”
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Effects of an inhibin-like factor present in bovine and porcine follicular fluid on gonadotrophin levels in ovariectomized rats by Welschen, R, Hermans, W P, Dullaart, J, de Jong, F H

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Anti-gonadotropic and anti-growth effects of the pineal gland in immature female rats by Osman, P, Welschen, R W, Moll, J

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Studies on the significance of the high levels of follicle stimulating hormone for follicular development in immature rats by Uilenbroek J.T.J, Arendsen de Wolff Exalto E, Welschen R

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