EVALUATION OF IMPORTANT GROWTH PARAMETERS OF LEPYRODICLIS (LEPYRODICLIS HOLOSTEOIDES FENZL.) UNDER DIFFERENT LIGHT DENSITIES AND NITROGEN RATES

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YAGHOOBI SAEED REZA; AGHAALIKHANI MAJID; GHALAVAND AMIR; ZAND ESKANDAR

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Journal: IRANIAN JOURNAL OF WEED SCIENCE Year:2011 | Volume:7 | Issue:1 Page(s): 31-43

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Title

EVALUATION OF IMPORTANT GROWTH PARAMETERS OF LEPYRODICLIS (LEPYRODICLIS HOLOSTEOIDES FENZL.) UNDER DIFFERENT LIGHT DENSITIES AND NITROGEN RATES

Author(s)

YAGHOOBI SAEED REZA | AGHAALIKHANI MAJID | GHALAVAND AMIR | ZAND ESKANDAR | Issue Writer Certificate

Keywords

WEEDQ2

LIGHT INTENSITYQ2

FERTILIZINGQ2

COMPETITIONQ2

Abstract

In order to approve show potential of Lepyrodiclis (Lepyrodiclis holosteoides Fenzl.) in the winter wheat fields and evaluation of its growth parameters under different light intensities and nitrogen rates, an experiment was conducted at Shariaty Technical University on 2010. Experiment was carried out in a completely randomized design with factorial arrangement and four replications. Experimental factors were different nitrogen rates including 0, 30, 60 and 100% of recommended for wheat (150kg.N.ha-1 from urea source) and LIGHT INTENSITY including 25, 50, 75 and 100% of PAR. Results indicated that increased levels of nitrogen and radiation from 25 and 30% to 100%, increase dry weight from 1 up to 8 g. plant-1, number of tillers. From 1 up to 5 and seed no. from 50 up to 250 per plant. Tissue nitrogen percentage of lepyrodiclis increased with increasing in LIGHT INTENSITY and nitrogen rate but plant height was reduced from 40 to 10 cm due to increased length of internodes. Plant response as dry weight, tiller no., seed no., plant height, and absorbed nitrogen to LIGHT INTENSITY was more than nitrogen rates. According to our findings of this study, in a dense population of wheat where light density is low, and nitrogen level is high, the dry weight of lepirodiclis increases and will produce a high number of seeds, thus contaminating the ground for the next season.

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APA: Copy

YAGHOOBI, SAEED REZA, AGHAALIKHANI, MAJID, GHALAVAND, AMIR, & ZAND, ESKANDAR. (2011). EVALUATION OF IMPORTANT GROWTH PARAMETERS OF LEPYRODICLIS (LEPYRODICLIS HOLOSTEOIDES FENZL.) UNDER DIFFERENT LIGHT DENSITIES AND NITROGEN RATES. IRANIAN JOURNAL OF WEED SCIENCE, 7(1), 31-43. SID. https://sid.ir/paper/185219/en

Vancouver: Copy

YAGHOOBI SAEED REZA, AGHAALIKHANI MAJID, GHALAVAND AMIR, ZAND ESKANDAR. EVALUATION OF IMPORTANT GROWTH PARAMETERS OF LEPYRODICLIS (LEPYRODICLIS HOLOSTEOIDES FENZL.) UNDER DIFFERENT LIGHT DENSITIES AND NITROGEN RATES. IRANIAN JOURNAL OF WEED SCIENCE[Internet]. 2011;7(1):31-43. Available from: https://sid.ir/paper/185219/en

IEEE: Copy

SAEED REZA YAGHOOBI, MAJID AGHAALIKHANI, AMIR GHALAVAND, and ESKANDAR ZAND, “EVALUATION OF IMPORTANT GROWTH PARAMETERS OF LEPYRODICLIS (LEPYRODICLIS HOLOSTEOIDES FENZL.) UNDER DIFFERENT LIGHT DENSITIES AND NITROGEN RATES,” IRANIAN JOURNAL OF WEED SCIENCE, vol. 7, no. 1, pp. 31–43, 2011, [Online]. Available: https://sid.ir/paper/185219/en

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