BREAKING DORMANCY AND GERMINATION OF WILD PEAR (PYRUS SPP) SEEDS

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AKBARI MOUSAVI Z.; SAADAT Y.A.

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Journal Paper

Paper Information

Journal: Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research Year:2006 | Volume:14 | Issue:2 (24) Page(s): 92-104

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Information Journal Paper

Title

BREAKING DORMANCY AND GERMINATION OF WILD PEAR (PYRUS SPP) SEEDS

Author(s)

AKBARI MOUSAVI Z. | SAADAT Y.A. | Issue Writer Certificate

Keywords

PYRUS SPP.Q2

WILD PEARQ3

BREAKING SEED DORMANCYQ3

GERMINATION AND STRATIFICATIONQ3

Abstract

Several species of WILD PEAR are native to Fars province in Iran, but little information about different aspects of their growth habit is available. Investigation on BREAKING SEED DORMANCY and germination is needed for propagation of WILD PEAR species as a rootstock for common pear and for afforestation. This research was carried out to study the methods of breaking dormancy, germination and seedling growth of different genotypes of three WILD PEAR species including: Pyrus syriaca, Pyrus glabra and a probable natural hybrid of Pyrus syriaca × Pyrus glabra. Seeds of Pyrus glabra (genotype 11) were used for test of viability, excised embryos and chemical scarification. Seed viability was tested using tetrazolium (1%) and results showed that seeds were 100% viable. Based on the results of excised embryo test, germination percentage of stratified excised embryos was more than that of non stratified embryos. Chemical scarification with concentrated sulfuric acid did not affect breaking dormancy of seeds. Results of seed stratification for 0, 15, 30, 45 and 60 days indicated that 60 days stratification was the best treatment for removing dormancy in WILD PEAR species seeds. Seeds originated from different trees (each tree considered as a genotype) of WILD PEAR species showed different responses with regard to stratification period. Seedling growth of Pyrus glabra was affected by stratification period and 45 days stratification was more effective on hypocotyl length and seedling fresh weight than the other treatments. It could be concluded that stratification for 60 days was the best treatment for breaking dormancy and seed germination of WILD PEAR species studied in this research.

Cites

EFFECT OF GIBBERELLIC ACID AND SCARIFICATION ON SEED GERMINATION IN FOUR ALMOND SPECIES

References

STUDY SOME QUANTITATIVE AND QUALITATIVE CHARACTERISTICS OF PYRUS-IONICERA TYPE IN THE SEPIDAN REGION

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APA: Copy

AKBARI MOUSAVI, Z., & SAADAT, Y.A.. (2006). BREAKING DORMANCY AND GERMINATION OF WILD PEAR (PYRUS SPP) SEEDS. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH, 14(2 (24)), 92-104. SID. https://sid.ir/paper/104309/en

Vancouver: Copy

AKBARI MOUSAVI Z., SAADAT Y.A.. BREAKING DORMANCY AND GERMINATION OF WILD PEAR (PYRUS SPP) SEEDS. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH[Internet]. 2006;14(2 (24)):92-104. Available from: https://sid.ir/paper/104309/en

IEEE: Copy

Z. AKBARI MOUSAVI, and Y.A. SAADAT, “BREAKING DORMANCY AND GERMINATION OF WILD PEAR (PYRUS SPP) SEEDS,” IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH, vol. 14, no. 2 (24), pp. 92–104, 2006, [Online]. Available: https://sid.ir/paper/104309/en

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