CHANGES IN SEED VIGOR OF PINTO BEAN AT DIFFERENT STAGES OF MATURITY UNDER LIMITED IRRIGATION CONDITIONS

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GHASEMI GHOLEZANI K.; MAZLOUMI OUSKOUEI R.; RAHIMZADEH KHOUEI F.; ALIZADEH BAHRAM

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2007 | Volume:17 | Issue:3 Page(s): 91-99

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Title

CHANGES IN SEED VIGOR OF PINTO BEAN AT DIFFERENT STAGES OF MATURITY UNDER LIMITED IRRIGATION CONDITIONS

Author(s)

GHASEMI GHOLEZANI K. | MAZLOUMI OUSKOUEI R. | RAHIMZADEH KHOUEI F. | ALIZADEH BAHRAM | Issue Writer Certificate

Keywords

CONDUCTIVITYQ3

ELECTRICALQ2

MASS MATURITYQ2

SEED GERMINATION RATEQ2

SEED VIGORQ2

Abstract

A split plot experiment (using RCB design) with three replications was conducted in 2004 at the Research Station of the Faculty of Agriculture, University of Tabriz, Tabriz, Iran, to determine the best developmental stage of three pinto bean cultivars (COS16, Khomain and Talash,) at which maximum SEED VIGOR is attained under different irrigation regimes (11, 12 and 13-irrigation after 60, 80 and 100 mm evaporation from class A pan, respectively). Analysis of variance of the data indicated that maximum seed weight, seed germinationrate and minimum ELECTRICAL CONDUCTIVITY of seeds were not significantly different among seeds produced under different irrigation conditions. However, these traits were significantly affected by the genotypes. Maximum seed weight of Khomain was significantly higher than Talash and COS16, while maximum SEED GERMINATION RATE of this genotype was lower than that of other two genotypes. Minimum ELECTRICAL CONDUCTIVITY was lower for seeds of Khomain, compared to seeds of Talash and COS16. However, this difference between seeds of Khomain and COS16 was not significant. Changes in SEED VIGOR during development and maturity showed that MASS MATURITY and maximum SEED VIGOR under h occurred earlier, compared to other two irrigation regimes. MASS MATURITY (end of grain filling period) under 11 and 12 conditions achieved at about 1270 growing degree-days (GDD) after sowing for Talash and 1210 GDD after sowing for COS16 and Khomain. MASS MATURITY of all genotypes under 13 occurred at about 1160 GDD after sowing. Under all irrigation regimes, SEED VIGOR increased, with increasing seed weight. However, at later harvests, SEED VIGOR slightly decreased, due to seed deterioration. Maximum SEED VIGOR as measured by germination rate and ELECTRICAL CONDUCTIVITY of seed leachates, was attained at about MASS MATURITY and 60 - 180 GDD after that, respectively.In general, it was concluded that high vigor seeds of pinto beans could be produced at about or sometimes after MASS MATURITY, when seed moisture contents about 16-25%.

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APA: Copy

GHASEMI GHOLEZANI, K., MAZLOUMI OUSKOUEI, R., RAHIMZADEH KHOUEI, F., & ALIZADEH, BAHRAM. (2007). CHANGES IN SEED VIGOR OF PINTO BEAN AT DIFFERENT STAGES OF MATURITY UNDER LIMITED IRRIGATION CONDITIONS. JOURNAL OF AGRICULTURAL KNOWLEDGE, 17(3), 91-99. SID. https://sid.ir/paper/28784/en

Vancouver: Copy

GHASEMI GHOLEZANI K., MAZLOUMI OUSKOUEI R., RAHIMZADEH KHOUEI F., ALIZADEH BAHRAM. CHANGES IN SEED VIGOR OF PINTO BEAN AT DIFFERENT STAGES OF MATURITY UNDER LIMITED IRRIGATION CONDITIONS. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2007;17(3):91-99. Available from: https://sid.ir/paper/28784/en

IEEE: Copy

K. GHASEMI GHOLEZANI, R. MAZLOUMI OUSKOUEI, F. RAHIMZADEH KHOUEI, and BAHRAM ALIZADEH, “CHANGES IN SEED VIGOR OF PINTO BEAN AT DIFFERENT STAGES OF MATURITY UNDER LIMITED IRRIGATION CONDITIONS,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 17, no. 3, pp. 91–99, 2007, [Online]. Available: https://sid.ir/paper/28784/en

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