THE EFFECT OF SALINITY AND SOWING DEPTH ON WHEAT SEED EMERGENCE

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GHORBANI MOHAMMAD HOSSEIN; POUR FARID A.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2008 | Volume:14 | Issue:5 Page(s): 1-8

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Title

THE EFFECT OF SALINITY AND SOWING DEPTH ON WHEAT SEED EMERGENCE

Author(s)

GHORBANI MOHAMMAD HOSSEIN | POUR FARID A. | Issue Writer Certificate

Keywords

SEED WHEATQ4

SALINITYQ2

SOWING DEPTHQ3

SEED EMERGENCYQ3

Abstract

An experiment was conducted using a wheat cultivar (Zagros), three SOWING DEPTH (4,8, and 12 cm) and three soil SALINITY levels (0, 7.5 and 15 dsm-1) in 1384. The experimental design was a completely randomized with factorial arrangement and 3 replications. The results indicated that salt stress, SOWING DEPTH and the interaction effect of both studied factors were significant on seedling growth characteristics, including the time to emergence beginning,, the time to %90 emergence, rate and maximum percentage of emergence. Increasing of salt severity and SOWING DEPTH caused delayed the time emergence, while emergence rate and percentage emergency decreased. The highest value of emergence percentage (%85 for control treatment) decreased to less than 81 and %62 for SALINITY levels of 7.5 and 15 dsm-1 respectively. The highest value of emergence percentage (92% for 4 cm SOWING DEPTH) decreased to 83 and %54 for SOWING DEPTH of8 and 12 cm respectively. The interaction effect of salt stress and SOWING DEPTH showed a negative synergistic effect as the highest value of emergence percentage of 12 cm SOWING DEPTH (%80 in control) decreased to 65 and %42 for SALINITY levels of 7.5 and 15 dsm-1 respectively. In general, the effect of increasing SALINITY severity and SOWING DEPTH on emergence characteristics was negative. This effect was more when the effect of both studied factors was considered, simultaneous. There for, it seems that, the selecting proper SOWING DEPTH is a determinant factor to optimize the wheat cultivation in saline lands. Also, in same circumstances which we have to put the grains in deeper depth (for example in water deficiency situations in the soil surface), it is better to increase seed rate to prevent decreasing of plant density from advised density.

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APA: Copy

GHORBANI, MOHAMMAD HOSSEIN, & POUR FARID, A.. (2008). THE EFFECT OF SALINITY AND SOWING DEPTH ON WHEAT SEED EMERGENCE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(5), 1-8. SID. https://sid.ir/paper/8881/en

Vancouver: Copy

GHORBANI MOHAMMAD HOSSEIN, POUR FARID A.. THE EFFECT OF SALINITY AND SOWING DEPTH ON WHEAT SEED EMERGENCE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;14(5):1-8. Available from: https://sid.ir/paper/8881/en

IEEE: Copy

MOHAMMAD HOSSEIN GHORBANI, and A. POUR FARID, “THE EFFECT OF SALINITY AND SOWING DEPTH ON WHEAT SEED EMERGENCE,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 5, pp. 1–8, 2008, [Online]. Available: https://sid.ir/paper/8881/en

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