J Integr Plant Biol. ›› 1981, Vol. 23 ›› Issue (5): -.

• Research Articles •    

A Preliminary Study on the Eco-physiological Characteristics of Elaeagnus angustifolia L.in Min-Qin Region of Gansu Province

Zhang Yao-jia   

Abstract: In this paper, the eeo-physiological characteristics of Elaeagnus angustifolia L. are studied. The physiological indices of the drought resistance of Elaeagnus angustifolia L. are much lower than those of the xerophyte Nitraria tangutorum and Haloxylon ammodendron. It proves that the drought-enduring and thermostable abilities of Elaeagnus angustifolia L. are apparently lower than that of Nitraria tangutorum and Haloxylon ammodendron. And yet, Elaeagnus angustifolia which has an strong root system, is able to absorb ground water and can resist atmospheric drought and high temperature. These Eco-physiological characteristics indicate that Elaeagnus angustifolia L. belongs in xeromesophyte. These characteristics also reflect that the natural areals of Elaeagnus angustifolia L. are largely located in the river banks of endorheic drainage and lower reach regions where ground water table is comparatively higher than in desert region and semidesert region.

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