EFFECT OF ROOT-ZONE TEMPERATURE ON NODULATION AND NITROGEN FIXATION OF GRASSPEA ECOTYPES (LATHYRUS SATIVUS L.)

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MAHDAVI B.; MODARES SANAVI S.A.M.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2008 | Volume:18 | Issue:3 Page(s): 149-160

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Title

EFFECT OF ROOT-ZONE TEMPERATURE ON NODULATION AND NITROGEN FIXATION OF GRASSPEA ECOTYPES (LATHYRUS SATIVUS L.)

Author(s)

MAHDAVI B. | MODARES SANAVI S.A.M. | Issue Writer Certificate

Keywords

GRASSPEAQ3

NITROGEN FIXATIONQ2

ROOT-ZONE TEMPERATUREQ4

NODULATIONQ3

Abstract

In order to study the effect of different ROOT-ZONE TEMPERATUREs (RZTs) on NODULATION and NITROGEN FIXATION of some GRASSPEA ecotypes, a factorial experiment based on randomized complete block design with three replications was conducted in a controlled-environment chamber in 2006. In this experiment, three ecotypes of GRASSPEA, Ardabil, Sharhkord and Zanjan were used. Four ROOT-ZONE TEMPERATUREs (5, 10, 15 and 25°C) and constant air temperature (25°C) were considered. The results showed that there were significant differences among the GRASSPEA ecotypes for NODULATION and NITROGEN FIXATION. Zanjan ecotype produced the highest nodule number at 15°C RZT, while Ardabil ecotype had similar nodule number at 25°C. Zanjan ecotype had the lowest nodule number at 5°C. Ardabil and Zanjan ecotypes had the maximum and minimum nodule diameter at 10 and 5°C, respectively. The highest nodule dry weight belonged to Ardabil ecotype at 25°C. Zanjan, Ardabil and Shahrkord ecotypes were not significantly different for nodule dry weight at 5°C. The maximum nitrogen concentration and forage protein was obtained from Ardabil ecotype under 25°C. Zanjan ecotype had the lowest nitrogen concentration and forage protein at 5°C. All ectypes had the highest NODULATION and NITROGEN FIXATION at 25°C and the 5 and 10°C RZTs reduced NITROGEN FIXATION and NODULATION of studied ecotypes.

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APA: Copy

MAHDAVI, B., & MODARES SANAVI, S.A.M.. (2008). EFFECT OF ROOT-ZONE TEMPERATURE ON NODULATION AND NITROGEN FIXATION OF GRASSPEA ECOTYPES (LATHYRUS SATIVUS L.). JOURNAL OF AGRICULTURAL KNOWLEDGE, 18(3), 149-160. SID. https://sid.ir/paper/28936/en

Vancouver: Copy

MAHDAVI B., MODARES SANAVI S.A.M.. EFFECT OF ROOT-ZONE TEMPERATURE ON NODULATION AND NITROGEN FIXATION OF GRASSPEA ECOTYPES (LATHYRUS SATIVUS L.). JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2008;18(3):149-160. Available from: https://sid.ir/paper/28936/en

IEEE: Copy

B. MAHDAVI, and S.A.M. MODARES SANAVI, “EFFECT OF ROOT-ZONE TEMPERATURE ON NODULATION AND NITROGEN FIXATION OF GRASSPEA ECOTYPES (LATHYRUS SATIVUS L.),” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 18, no. 3, pp. 149–160, 2008, [Online]. Available: https://sid.ir/paper/28936/en

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