אסיף מאגר המחקר החקלאי

Uptake and distribution of calcium in rose plantlets as affected by calcium and boron concentration in culture solution

Year:

1993

Source of publication :

Authors :

Volume :

155-156

Co-Authors:

Ganmore-Neumann, R., Department of Soil Chemistry and Plant Nutrition, A.R.O., The Volcani Center, P.O.B. 6, Bet Dagan, 50-250, Israel
Davidov, S., Department of Soil Chemistry and Plant Nutrition, A.R.O., The Volcani Center, P.O.B. 6, Bet Dagan, 50-250, Israel

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Abstract:

Grafted rose plantlets were grown in a controlled growth room in order to study the effect of Ca and B concentration on Ca uptake, distribution and transport to the apex. There were three Ca levels and three B levels. Root development was affected by Ca and B levels available to the roots. 45Ca taken up was readily translocated to the scion, but accumulated in the rootstock in low-Ca plants. Translocation of Ca was increased by increasing B concentration. The relative Ca sink strength of low- and high-transpiring organs was affected by Ca and B concentrations. Increasing Ca level will increase rose growth only if B concentration is adjusted accordingly. © 1993 Kluwer Academic Publishers.

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