Garuda - Garba Rujukan Digital

Toshio Kawasaki

Unknown Affiliation

Author-ID : 297140

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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EFFECT OF CALCIUM ON THE GROWTH AND ION UPTAKE IN NaCl-STRESSED PLANTS Sopandie, Didy; Kawasaki, Toshio; Moritsugu, Masumi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 23 No. 1 (1995): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Peanut and kidney bean gave similar response to salt stress showing a more severe growth reduction, as compared to spinach, leaf beet, barley cultivars and wild barley. Calcium showed the protective effect on salt injury in all plants, the effect of which was more pronounced in spinach, leaf beet and both types of barley plant than that in bean and peanut. High concentration of NaCl decreased the content of K, Ca, and Mg in both shoot and root of all plants. Elevated Ca in the nutrient solution, however. Considerably alleviated the inhibition of K uptake due to NaCl. The result suggested that the maintenance of K / Na selectivity by Ca in plant might result in the enhancement of salt tolerance.

EFFECT OF SILICATE ON THE GROWTH AND ION UPTAKE IN NaCI-TRESSED PLANTS Sopandie, Didy; Moritsugu, Masumi; Kawasaki, Toshio
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 23 No. 2 (1995): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The purpose of this experiment was to investigate the effect of Si on the growth and ions uptake (K, Na, Ca, and Mg) in rice, bean and barley plants grown in saline conditions. Rice and bean plants were subjected to 0 and 30 mM NaCI in the nutrient solution with and without Si, whilst for barley plants 0 and 40 mM NaCI were used. In this investigation, 2.0 mM Si was used as silicilic acid. The results revealed that Si had the protective effect on salt injury only for rice plants. This alleviating effect of Si appeared to be associated with the interference of Si on the upward Na transport by reducing the content of Na in the shoots and retaining it in the roots. Generally, addition of Si did not affect the content of K in all plants tested. Except for rice, Si had no or less effect on Ca and Mg uptake in bean and barley plants.

SALT TOLERANCE OF TURF GRASS Puccinellia distans: I. GROWTH RESPONSE AND ION ACCUMULATION Sopandie, Didy; Moritsugu, Masumi; Kawasaki, Toshio
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 23 No. 3 (1995): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The aim of this study was to see the salt tolerance of turf grass Puccinellia distans in term of ion accumulation and ionic interactions under salt stress condition. Plants were grown hidroponically in culture solution with addition of NaCI (0, 25, 50, 100 and 200 mM). High concentrations of NaCI brought about growth reduction; the decrease of shoot dry matters was in the range of 30-84% and 30- 70% for root dry matters. Although the yield of plants decreased so much in the presence of 200 mM NaCI, but plants were able to remain alive without showing any visible symptoms of injury. Much more Na was accumulated in the roots than in the shoots. Exposing plants to salinity result in the decrease of K, Ca, and Mg contents.

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