EVALUATION OF DESICCATION TOLERANCE IN DEVELOPING PEANUT SEED

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RASTEGAR Z.; GHADERIFAR F.; SADEGHIPOUR H.R.; ZEINAL E.

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Journal: Crop Production Year:2016 | Volume:9 | Issue:1 Page(s): 89-108

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Title

EVALUATION OF DESICCATION TOLERANCE IN DEVELOPING PEANUT SEED

Author(s)

RASTEGAR Z. | GHADERIFAR F. | SADEGHIPOUR H.R. | ZEINAL E. | Issue Writer Certificate

Keywords

GERMINATIONQ2

PEANUTQ1

ORTHODOX SEEDQ2

PLANTING DATEQ2

PHYSIOLOGICAL MATURITYQ2

Abstract

Background and objectives: Acquisition desiccation tolerance is one of the main stages during seed development and maturation. Development of desiccation tolerance in PEANUT seed (NC2) was performed during maturity staged in four growing date by evaluating electrical leakage and seed viability test.Material and methods: The experiment was conducted in the research farm of Gorgan university of agricultural and natural resources in randomize complete block design with four replications. Sampling was done weakly to harvest maturation from seeds produced in each PLANTING DATE by handpick of 10 PEANUT plant. Some seeds were transferred to laboratory immediately and other part of seeds was dried slowly on air exposed condition and when it reached to 14-16% of moisture content, standard GERMINATION test and electrical conductivity was done.Results: Results showed that, with accumulation of seed reserves, seed moisture content was declined gradually by 70 percent in the beginning stage of development to 30% in the later phase of accumulation reserves. GERMINATION of freshly harvested PEANUT seed started when more than half of total storage substances accumulate in seeds and moisture content was estimated about 40-46 percent. But seed which dried gradually GERMINATION started after seed accumulated 17, 27, 50 and 24 percent of total reserves and GERMINATION was started by 60-68 % of seed moisture content.Conclusion: According to these results, desiccation tolerances was developed during 7 to 10 days and before aggregation less than 50 percent of total reserves in cotyledons. It could change significantly at different PLANTING DATE and weather condition during plant growth stages. It seems that legume crop needs to spend some time in mother plants for acquisition desiccation tolerance and this period not only cause interruption for GERMINATION capability but decrease seed moisture content mainly.

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APA: Copy

RASTEGAR, Z., GHADERIFAR, F., SADEGHIPOUR, H.R., & ZEINAL, E.. (2016). EVALUATION OF DESICCATION TOLERANCE IN DEVELOPING PEANUT SEED. ELECTRONIC JOURNAL OF CROP PRODUCTION, 9(1), 89-108. SID. https://sid.ir/paper/134978/en

Vancouver: Copy

RASTEGAR Z., GHADERIFAR F., SADEGHIPOUR H.R., ZEINAL E.. EVALUATION OF DESICCATION TOLERANCE IN DEVELOPING PEANUT SEED. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2016;9(1):89-108. Available from: https://sid.ir/paper/134978/en

IEEE: Copy

Z. RASTEGAR, F. GHADERIFAR, H.R. SADEGHIPOUR, and E. ZEINAL, “EVALUATION OF DESICCATION TOLERANCE IN DEVELOPING PEANUT SEED,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 9, no. 1, pp. 89–108, 2016, [Online]. Available: https://sid.ir/paper/134978/en

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