EFFECT OF SOIL MOISTURE ON WHEAT AND CANOLA ROOT RESPIRATION RATES IN TWO SOIL TEXTURES

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MESKINI VISHKAEE FATEMEH; MOHAMMADI MOHAMMAD HOSEIN; NEISHABOORI MOHAMMAD REZA; SHEKARI FARID

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2016 | Volume:4 | Issue:14 Page(s): 177-188

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Title

EFFECT OF SOIL MOISTURE ON WHEAT AND CANOLA ROOT RESPIRATION RATES IN TWO SOIL TEXTURES

Author(s)

MESKINI VISHKAEE FATEMEH | MOHAMMADI MOHAMMAD HOSEIN | NEISHABOORI MOHAMMAD REZA | SHEKARI FARID | Issue Writer Certificate

Keywords

AIR-FILLED POROSITYQ2

ROOT RESPIRATION RATEQ2

ROOT MORPHOLOGICAL PROPERTIESQ2

Abstract

This study was performed under greenhouse condition and completely randomized design for wheat and canola at near saturated soil moisture condition to field capacity (seven soil matric suction treatments including 20, 40, 60, 80, 110, 300 and 500 cm with three) in two consecutive years. The results showed that as the soil moisture content decreases from saturation condition, ROOT RESPIRATION RATE increases. The range of soil moisture with a maximum ROOT RESPIRATION RATE in the sandy loam soil was wider in wheat (0.22-0.29 cm3cm-3) than canola (0.24-0.26 cm3cm-3). In sandy loam soil, maximum ROOT RESPIRATION RATE was higher for wheat (9.81 m mol m-2 s-1) than canola (7.62 m mol m-2 s-1). While in the clay loam soil, maximum ROOT RESPIRATION RATE of wheat and canola was approximately equal (» 10 m mol m-2 s-1) at a specified soil moisture content (0.42 cm3 cm-3). Moreover, in the sandy loam soil, the AIR-FILLED POROSITY of 13 and 16%, respectively for wheat and canola were associated with soil moisture content corresponding to maximum ROOT RESPIRATION RATE. While in the clay loam soil, the AIR-FILLED POROSITY of 17% was for both plants. The results showed that, among the various morphological features of roots, the root volume is the most important feature that controls the respiration rate of the plant roots.

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APA: Copy

MESKINI VISHKAEE, FATEMEH, MOHAMMADI, MOHAMMAD HOSEIN, NEISHABOORI, MOHAMMAD REZA, & SHEKARI, FARID. (2016). EFFECT OF SOIL MOISTURE ON WHEAT AND CANOLA ROOT RESPIRATION RATES IN TWO SOIL TEXTURES. JOURNAL OF PLANT PROCESS AND FUNCTION, 4(14), 177-188. SID. https://sid.ir/paper/234208/en

Vancouver: Copy

MESKINI VISHKAEE FATEMEH, MOHAMMADI MOHAMMAD HOSEIN, NEISHABOORI MOHAMMAD REZA, SHEKARI FARID. EFFECT OF SOIL MOISTURE ON WHEAT AND CANOLA ROOT RESPIRATION RATES IN TWO SOIL TEXTURES. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2016;4(14):177-188. Available from: https://sid.ir/paper/234208/en

IEEE: Copy

FATEMEH MESKINI VISHKAEE, MOHAMMAD HOSEIN MOHAMMADI, MOHAMMAD REZA NEISHABOORI, and FARID SHEKARI, “EFFECT OF SOIL MOISTURE ON WHEAT AND CANOLA ROOT RESPIRATION RATES IN TWO SOIL TEXTURES,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 4, no. 14, pp. 177–188, 2016, [Online]. Available: https://sid.ir/paper/234208/en

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