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1

Mathematical modeling of the indole-3-butyric acid applications on rooting of northern highbush blueberry (Vaccinium corymbosum L.) softwood-cuttings

100%
Celik H., Odabas M. S.
Acta Physiologiae Plantarum
|
2009
|
tom 31
|
nr 2
The objective of the present study is to develop a mathematical model to predict the effect of indole-3-butyric acid (IBA) on mean rooting (%) and mean root growth of northern highbush blueberry cultivars (Vaccinium corymbosum L.). The best estimating equations for the rooting (%) and root growth are formulized as: RG = (5.672183) + [0.002851×(IBA)] - [2.0E⁻⁶ × (IBA)²] + (-0.27211× Cv. ) and R = (82.00649) + [0.030801×(IBA)] – [2,4E⁻⁵ ×(IBA)²] - [2.36218×(Cv.)] where RG is root growth, R is rooting, IBA is indole-3-butyric acid (ppm) and Cv. is cultivar. Cultivars are Ivanhoe [1], Jersey [2], Rekord [3], Northland [4], Berkeley [5] and Bluejay [6]. The numbers given in square brackets represent the blueberry cultivars for the equations. Multiple regression analysis was carried out until the least sum of squares (R²) was obtained. R² value 0.90 for rooting and 0.95 for root growth. Standard errors were found to be significant at the p < 0.001 level. The actual rooting differed to the blueberry cultivars and it was between 57.76 and 83.23% while estimated rooting percentage calculated by the produced mathematical model was between 59.04 and 83.80%.
2

Estimating chlorophyll concentration index in sugar beet leaves using an artificial neural network

80%
Caliskan O., Kurt D., Camas N., Odabas M. S.
Polish Journal of Environmental Studies
|
2020
|
tom 29
|
nr 1
3

Secondary metabolites of Hypericum orientale L. growing in Turkey: variation among populations and plant parts

61%
Cirak C., Radusiene J., Stanius Z., Camas N., Caliskan O., Odabas M. S.
Acta Physiologiae Plantarum
|
2012
|
tom 34
|
nr 4
The present studywas conducted to determine the variation in the content of several plant chemicals, namely hyperforin, hypericin, pseudohypericin, chlorogenic acid, rutin, hyperoside, isoquercetine, kaempferol, quercitrine and quercetine among ten Hypericum orientale L. populations from Northern Turkey. The aerial parts representing a total of 30 individuals were collected at full flowering and dissected into floral, leaf and stem tissues. After dried at room temperature, the plant materials were assayed for chemical contents by HPLC. The populations varied significantly in chemical contents. Among different plant parts, the flowers were found to be the principle organ for hyperforin, hypericin, pseudohypericin and rutin accumulations while the rest of the chemicals were accumulated mainly in leaves in all growing localities. The chemical variation among the populations and plant parts is discussed as being possibly the result of different genetic, environmental and morphological factors.
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