FACTORS AFFECTING CERATOCARPUS ARENARIUS L. (BLUK.) SEED GERMINATION AND SEEDLING EMERGENCE

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EBRAHIMI E.; ESLAMI S.V.; MAHMOODI S.; JAMI ALAHMADI M.

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Journal: WEED RESEARCH JOURNAL Year:2009 | Volume:1 | Issue:2 Page(s): 25-35

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Title

FACTORS AFFECTING CERATOCARPUS ARENARIUS L. (BLUK.) SEED GERMINATION AND SEEDLING EMERGENCE

Author(s)

EBRAHIMI E. | ESLAMI S.V. | MAHMOODI S. | JAMI ALAHMADI M. | Issue Writer Certificate

Keywords

GERMINATIONQ2

EMERGENCEQ2

SALINITY AND DROUGHT STRESSQ3

BURIAL DEPTHQ2

Abstract

Ceratocarpus arenarius L. is one of the problematic and noxious weeds in dryland farming of wheat, barley, lentil and peas in north of Khorasan. In order to determine the effects of temperature, light, SALINITY AND DROUGHT STRESS and BURIAL DEPTH on seed GERMINATION and seedling EMERGENCE of this species, experiments were conducted in the Research Laboratory of Birjand Faculty of Agriculture. Ceratocarpus seeds had identical GERMINATION in either light/dark and continuous dark regimes, indicating this weed species is non-photoblastic. Seeds germinated over 85% in the range of alternating day/night temperatures (20/10, 25/15 and 30/20oC) and the maximum germinability (96%) was observed at 25/15oC. Ceratocarpus arenarius seeds maintained their germinability at high levels of SALINITY AND DROUGHT STRESS, so that at NaCl concentration of 800 mM and osmotic potential of -1 MPa seed GERMINATION was 20 and 25%, respectively, indicating this species is tolerant to SALINITY AND DROUGHT STRESS. Seedlings could emerge from a range of BURIAL DEPTH from 0 to 6cm and maximum EMERGENCE (94%) was observed from seeds planted on the soil surface covered with 3 layers of filter paper. This shows that minimum- and no-till systems would increase seedling EMERGENCE of this species through keeping crop residues on the soil surface.

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APA: Copy

EBRAHIMI, E., ESLAMI, S.V., MAHMOODI, S., & JAMI ALAHMADI, M.. (2009). FACTORS AFFECTING CERATOCARPUS ARENARIUS L. (BLUK.) SEED GERMINATION AND SEEDLING EMERGENCE. WEED RESEARCH JOURNAL, 1(2), 25-35. SID. https://sid.ir/paper/230821/en

Vancouver: Copy

EBRAHIMI E., ESLAMI S.V., MAHMOODI S., JAMI ALAHMADI M.. FACTORS AFFECTING CERATOCARPUS ARENARIUS L. (BLUK.) SEED GERMINATION AND SEEDLING EMERGENCE. WEED RESEARCH JOURNAL[Internet]. 2009;1(2):25-35. Available from: https://sid.ir/paper/230821/en

IEEE: Copy

E. EBRAHIMI, S.V. ESLAMI, S. MAHMOODI, and M. JAMI ALAHMADI, “FACTORS AFFECTING CERATOCARPUS ARENARIUS L. (BLUK.) SEED GERMINATION AND SEEDLING EMERGENCE,” WEED RESEARCH JOURNAL, vol. 1, no. 2, pp. 25–35, 2009, [Online]. Available: https://sid.ir/paper/230821/en

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