EFFECTS OF WATER OSMOTIC POTENTIALS AND SOIL MOISTURE ON SEED GERMINATION AND SEEDLING EMERGENCE OF WILD MUSTARD (SINAPIS ARVENSIS) ECOTYPES

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SALIMI HOMEIRA

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Journal: IRANIAN JOURNAL OF WEED SCIENCE Year:2011 | Volume:7 | Issue:2 Page(s): 89-94

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Title

EFFECTS OF WATER OSMOTIC POTENTIALS AND SOIL MOISTURE ON SEED GERMINATION AND SEEDLING EMERGENCE OF WILD MUSTARD (SINAPIS ARVENSIS) ECOTYPES

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SALIMI HOMEIRA | Issue Writer Certificate

Keywords

SINAPIS ARVENSISQ3

DROUGHT STRESSQ2

ECOLOGY OF GERMINATIONQ2

SEED DORMANCYQ2

Abstract

In this study the effects of osmotic potential of water and DROUGHT STRESS on seed germination and seedling emergence of wild mustard (SINAPIS ARVENSIS) ecotypes were studied. The seeds were collected from four provinces including Fars, West Azarbaijan, Khoozestan and Mazandaran. Trials were carried out to study the effects of osmotic potential of PEG-6000 solutions at seven levels (0, -0.01, - 0.05, -0.25, -0.1, -0.5, -1.5 MPa) on seed germination of four populations of wild mustard. In addition, the seedling emergence pattern of the populations was investigated in response to three soil moisture regimes (field capacity (FC), FC–1/3FC–FC, FC–1/6FC–FC) on percent weed emergence in a greenhouse. Results showed the highest germination occurred at 0 MPa osmotic potential. Germination gradually decreased by reducing the osmotic potential to -1.5 MPa. The trend was different among the ecotypes. The most number of germinated seeds was observed at high soil moisture (field capacity). The seeds of all ecotypes were sensitive to DROUGHT STRESS. Seed undr drough stress transformed to secondary dormancy and hence returning to field capacity did not induce germination.

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APA: Copy

SALIMI, HOMEIRA. (2011). EFFECTS OF WATER OSMOTIC POTENTIALS AND SOIL MOISTURE ON SEED GERMINATION AND SEEDLING EMERGENCE OF WILD MUSTARD (SINAPIS ARVENSIS) ECOTYPES. IRANIAN JOURNAL OF WEED SCIENCE, 7(2), 89-94. SID. https://sid.ir/paper/185291/en

Vancouver: Copy

SALIMI HOMEIRA. EFFECTS OF WATER OSMOTIC POTENTIALS AND SOIL MOISTURE ON SEED GERMINATION AND SEEDLING EMERGENCE OF WILD MUSTARD (SINAPIS ARVENSIS) ECOTYPES. IRANIAN JOURNAL OF WEED SCIENCE[Internet]. 2011;7(2):89-94. Available from: https://sid.ir/paper/185291/en

IEEE: Copy

HOMEIRA SALIMI, “EFFECTS OF WATER OSMOTIC POTENTIALS AND SOIL MOISTURE ON SEED GERMINATION AND SEEDLING EMERGENCE OF WILD MUSTARD (SINAPIS ARVENSIS) ECOTYPES,” IRANIAN JOURNAL OF WEED SCIENCE, vol. 7, no. 2, pp. 89–94, 2011, [Online]. Available: https://sid.ir/paper/185291/en

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