ESTIMATES OF HERITABILITY FOR SEED GERMINATION AND SEEDLING GROWTH OF COTTON IN LOW TEMPERATURE

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PAHLEVANI M.H.; ARAB AMERI R.; AHMADI M.; ABOULHASANI K.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:13 | Issue:4 Page(s): 31-42

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Title

ESTIMATES OF HERITABILITY FOR SEED GERMINATION AND SEEDLING GROWTH OF COTTON IN LOW TEMPERATURE

Author(s)

PAHLEVANI M.H. | ARAB AMERI R. | AHMADI M. | ABOULHASANI K. | Issue Writer Certificate

Keywords

COTTONQ3

HERITABILITYQ4

GERMINATIONQ3

LOW TEMPERATUREQ3

NORTH CAROLINA DESIGNQ3

Abstract

Early planting of COTTON in spring increases growing season duration, lint quality and extends COTTON cultivation to cool regions and also play major role in control of pest especially at the end of the season. Improvement of seed GERMINATION and seedling growth at LOW TEMPERATURE of spring is therefore one of the most important of breeder's objectives in Iran and other places in the world. This study was carried out using 23 genotypes of COTTON including eight parents with 15 F1 crosses that made among them as NORTH CAROLINA DESIGN // at experimental field of Iranian COTTON Research Institute (Hashem Abad, Gorgan), and seed technology laboratory (Gorgan University of Agricultural Sciences) in 2004 and 2005. To evaluate potential of seed GERMINATION and seed ling growth at LOW TEMPERATURE in laboratory we use cool test (18°c in dark incubator) and in field, seeds were planted much earlier than the traditionally date of planting by local COTTON farmers. Results showed sufficient genetic variation for seed GERMINATION and seedling growth at LOW TEMPERATURE among the studied genotypes. Due to considerable difference between F1 crosses and parents, they can be used in hybrid seed program and also for selection superior genotypes to improve seed GERMINATION and seedling growth factors. Estimates of broad-sense HERITABILITY indicated that genetic factors had critical role in control of evaluated traits, however, environmental factors had neglectable effects. The estimates of narrow-sense HERITABILITY indicated that breeders could use selection methods to improve rate of GERMINATION in field and seedling height of COTTON in LOW TEMPERATURE. On the basis of correlation coefficient among the studied traits it could be concluded that selection for improvement of seed GERMINATION and seedling growth at LOW TEMPERATURE via other corresponding traits is possible from different process based on genetic basis of material, because correlation coefficient among the traits was varied for parents and F1 crosses.

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APA: Copy

PAHLEVANI, M.H., ARAB AMERI, R., AHMADI, M., & ABOULHASANI, K.. (2006). ESTIMATES OF HERITABILITY FOR SEED GERMINATION AND SEEDLING GROWTH OF COTTON IN LOW TEMPERATURE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(4), 31-42. SID. https://sid.ir/paper/9794/en

Vancouver: Copy

PAHLEVANI M.H., ARAB AMERI R., AHMADI M., ABOULHASANI K.. ESTIMATES OF HERITABILITY FOR SEED GERMINATION AND SEEDLING GROWTH OF COTTON IN LOW TEMPERATURE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(4):31-42. Available from: https://sid.ir/paper/9794/en

IEEE: Copy

M.H. PAHLEVANI, R. ARAB AMERI, M. AHMADI, and K. ABOULHASANI, “ESTIMATES OF HERITABILITY FOR SEED GERMINATION AND SEEDLING GROWTH OF COTTON IN LOW TEMPERATURE,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. 4, pp. 31–42, 2006, [Online]. Available: https://sid.ir/paper/9794/en

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