INVESTIGATION OF ICE NUCLEATION ACTIVITY OF BACTERIA ON DIFFERENT GENOTYPES OF ALMOND TREES IN ZARGHAN AREA OF FARS PROVINCE

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KETABCHI SAGHAR; HASAN ZADEH N.; MOHAMMADI M.; ALI ZADEH ALI ABADI A.; SAADAT Y.A.

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Journal: Year:2006 | Volume:12 | Issue:1 (SUPPLEMENT) Page(s): 187-199

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Title

INVESTIGATION OF ICE NUCLEATION ACTIVITY OF BACTERIA ON DIFFERENT GENOTYPES OF ALMOND TREES IN ZARGHAN AREA OF FARS PROVINCE

Author(s)

Keywords

ICE NUCLEATION ACTIVITY BACTERIAQ3

ALMONDQ3

PSEUDOMONAS SYRINGAEQ2

PSEUDOMONAS FLUORESCENSQ3

PANTOEA AGGLOMERANSQ3

XANTHOMONAS SPPQ3

Abstract

One of the factors which increase cold tension in the plants is ice nucleation activity (INA) of bacteria that produce biological ice nuclei which leads to frosting at higher temperature. In this study four genotypes of ALMOND trees were selected and examined in Zarghan agricultural research center, in Fars province. The four genotypes were 36 (early-flowering), 5 (too early flowering), 26 (mid-late flowering) and 8 (too late-flowering). First, the INA+ bacteria isolated from buds, blossoms, immature fruits & leaves were characterized according to standard bacteriological methods. There after their population densities were determined separately during the months of February, March, April and May, 2002-2003. The strains from PSEUDOMONAS SYRINGAE, PSEUDOMONAS FLUORESCENS, PANTOEA AGGLOMERANS and XANTHOMONAS SPP. were identified as INA+ bacteria. To P.syringae was the most prevalent bacterium and P.agglomerans, P.fluorescens and XANTHOMONAS SPP. were ranked second to the fourth, respectively. Bacterial population changed completely depending on the phenology of the plants and the temperature. Moderate temperatures of February and March, induced early flowering ALMOND genotypes to blossom in Zarghan area of Fars province. Since population of epiphytic INA+ bacteria on ALMOND trees will be increased by moderate temperature and adequate nutrition, any decrease in temperature will intensify on frost injury of ALMOND trees. It was concluded selected ALMOND genotypes, weather condition and population of INA bacteria are the most effective factors in frost damage of Zarghan area.

Cites

AN INVESTIGATION ON NATIONAL SIS EFFICIENCY FOR SPRING FROST PROTECTION (CASE STUDY, ALMOND ORCHARDS OF ALAVIJEH, ISFAHAN)

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APA: Copy

KETABCHI, SAGHAR, HASAN ZADEH, N., MOHAMMADI, M., ALI ZADEH ALI ABADI, A., & SAADAT, Y.A.. (2006). INVESTIGATION OF ICE NUCLEATION ACTIVITY OF BACTERIA ON DIFFERENT GENOTYPES OF ALMOND TREES IN ZARGHAN AREA OF FARS PROVINCE. JOURNAL OF AGRICULTURAL SCIENCES, 12(1 (SUPPLEMENT)), 187-199. SID. https://sid.ir/paper/7757/en

Vancouver: Copy

KETABCHI SAGHAR, HASAN ZADEH N., MOHAMMADI M., ALI ZADEH ALI ABADI A., SAADAT Y.A.. INVESTIGATION OF ICE NUCLEATION ACTIVITY OF BACTERIA ON DIFFERENT GENOTYPES OF ALMOND TREES IN ZARGHAN AREA OF FARS PROVINCE. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2006;12(1 (SUPPLEMENT)):187-199. Available from: https://sid.ir/paper/7757/en

IEEE: Copy

SAGHAR KETABCHI, N. HASAN ZADEH, M. MOHAMMADI, A. ALI ZADEH ALI ABADI, and Y.A. SAADAT, “INVESTIGATION OF ICE NUCLEATION ACTIVITY OF BACTERIA ON DIFFERENT GENOTYPES OF ALMOND TREES IN ZARGHAN AREA OF FARS PROVINCE,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 12, no. 1 (SUPPLEMENT), pp. 187–199, 2006, [Online]. Available: https://sid.ir/paper/7757/en

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