EFFECT OF SEED PRIMING AND PHOSPHORUS SOLUBILIZING BACTERIA ON CORN (ZEA MAYS L.) GROWTH UNDER PHOSPHATE AND DROUGHT STRESS

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KHALEGHY Z.; YARMAHMOODI Z.; NOURMOHAMADI GH.; MADANI H.; ARDAKANI M.R.

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Paper Information

Journal: CROP PRODUCTION IN ENVIRONMENTAL STRESS Year:2012 | Volume:3 | Issue:3-4 (SERIAL 7) Page(s): 31-42

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Title

EFFECT OF SEED PRIMING AND PHOSPHORUS SOLUBILIZING BACTERIA ON CORN (ZEA MAYS L.) GROWTH UNDER PHOSPHATE AND DROUGHT STRESS

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Keywords

PRIMINGQ2

BACTERIAQ2

GERMINATIONQ2

CUT OF IRRIGATIONQ2

YIELD AND ITS COMPONENTSQ2

Abstract

For evaluation effect of PRIMING with phytohormones and utilization phosphorus solubilizing BACTERIA under drought stress on maize growth in stress phosphate condition on GERMINATION, YIELD AND ITS COMPONENTS in poor soil of phosphate (7 ppm), was determined in two experiment, one of the in laboratory in carried out completely randomized design and another in field on the split split plot in carried out completely randomized block design using three replications in Fars province of Iran, 2011. Treatments in field consisted of: CUT OF IRRIGATION in main plots in three level: control (without stress), CUT OF IRRIGATION in end of vegetative growth stage (silking (R1)) and CUT OF IRRIGATION in middle of reproductive growth stage (blistering (R2)), utilization phosphorus solubilizing BACTERIA in sub plots in three level: control (noneutilization BACTERIA), utilization BACTERIA sole and utilization BACTERIA in addition to half of recommendation doze of phosphate fertilizer in soil test and application PRIMING in sub sub plots, in four level: control (dry seed), GA3 (20ppm), Auxin (5ppm) and distilled water for 12 hours of soaking. Results showed that was significant difference between plant growth regulators on percentage of GERMINATION. So that PRIMING with water and GA3 improved percentage of GERMINATION with regard to control 27.5%. Just as PRIMING with auxin increased percentage of GERMINATION 18.3%. In seedling vigor index, was not significant difference between hydro PRIMING treatment and GA3 PRIMING treatment but in compared to control treatment, increased 2.07 and 1.385 equal respectively. In interaction CUT OF IRRIGATION and PRIMING observed that each three PRIMING treatment with regard to control (seed dry), increased significant 1000 kernel weight, kernel number per ear, RWC, percentage of leaf phosphate, grain yield and biological yield. CUT OF IRRIGATIONR1 stage, decreased significant all of traits. In interaction CUT OF IRRIGATION and utilization BACTERIA, in all of traits maximum mount was related to without stress and utilization BACTERIA in addition to half of recommendation doze of phosphate fertilizer in soil test and in all of traits use of BACTERIA decreased negative effect of CUT OF IRRIGATION.

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APA: Copy

KHALEGHY, Z., YARMAHMOODI, Z., NOURMOHAMADI, GH., MADANI, H., & ARDAKANI, M.R.. (2012). EFFECT OF SEED PRIMING AND PHOSPHORUS SOLUBILIZING BACTERIA ON CORN (ZEA MAYS L.) GROWTH UNDER PHOSPHATE AND DROUGHT STRESS. CROP PRODUCTION IN ENVIRONMENTAL STRESS, 3(3-4 (SERIAL 7)), 31-42. SID. https://sid.ir/paper/232042/en

Vancouver: Copy

KHALEGHY Z., YARMAHMOODI Z., NOURMOHAMADI GH., MADANI H., ARDAKANI M.R.. EFFECT OF SEED PRIMING AND PHOSPHORUS SOLUBILIZING BACTERIA ON CORN (ZEA MAYS L.) GROWTH UNDER PHOSPHATE AND DROUGHT STRESS. CROP PRODUCTION IN ENVIRONMENTAL STRESS[Internet]. 2012;3(3-4 (SERIAL 7)):31-42. Available from: https://sid.ir/paper/232042/en

IEEE: Copy

Z. KHALEGHY, Z. YARMAHMOODI, GH. NOURMOHAMADI, H. MADANI, and M.R. ARDAKANI, “EFFECT OF SEED PRIMING AND PHOSPHORUS SOLUBILIZING BACTERIA ON CORN (ZEA MAYS L.) GROWTH UNDER PHOSPHATE AND DROUGHT STRESS,” CROP PRODUCTION IN ENVIRONMENTAL STRESS, vol. 3, no. 3-4 (SERIAL 7), pp. 31–42, 2012, [Online]. Available: https://sid.ir/paper/232042/en

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