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The Effect of Seed Moisture Content on Storage Longevity of Marrow (Cucurbita pepo L. Sakız Kabağı) Seeds

Year 1994, Volume: 23 Issue: 1-2, 53 - 58, 31.12.1994

Abstract

The effect of seed moisture content on storage longevity of marrow (Cucurbita pepo L. var. Sakız Kabağı) seeds was investigated. Seeds were stored at 40℃ with 6.5, 10.0, 13.7, 14.5 and 16.5 percent moisture content hermetically during 24 days in storage. Total and normal germination percentages, root length (cm, 3th day of the test) and P₅₀ (time taken for viability to drop to 50%) were determined. The highest longevity was observed in seeds stored with 6.5% moisture. These had 53% germinability after 24 days in storage, however, as seed moisture increases longevity shortens. There seemed to be a negative linear relationship between P₅₀ and seed moisture. This relation was observed in seeds stored between 8.5 and 16.5% moisture contents. Root length was also affected adversely by increase in seed moisture. Reduction in normal germination and root length took place before seeds become underminable. These two factors (vigor characteristics) were more sensitive to storage environment than viability. Providing seeds were stored hermetically, seed moisture of lower than 10% is necessary for term seed storage, However, moisture must be reduced to 5-6% for long-term.

References

  • Anonymous, 1985. International Rules for Seed Testing Rules 1985. Seed Science and Technology. 13(2):303-513.
  • Anonymous, 1987. Handbook of Vigour Test Methods. 2. Edition. Zurich. Switzerland. pp:10-21.
  • Copeland, L.D. and M.B. McDonald, 1985. Principles of Seed Science and Technology. Macmillan Publishing Company. New York. pp:145-170.
  • Demir, I. and R.H. Ellis, 1992. Development of Pepper (Capsicum annum L.) Seed Quality. Ann. Appl. Biol. 121:385-399.
  • Demir, I. and 1993. Changes in Potential Seed Longevity and Seedling Growth During Seed Development and Maturation in Marrow. Seed Science Research. 3:247-257.
  • Ellis, R.H. and E.H. Roberts, 1980. Towards A Rational Basis for Testing Seed Quality. Seed Production (Ed: P.H. Hebblathwaite) Butterworths London. pp:605-635.
  • Filho, C.P. and R.H. Ellis, 1991. The Development of Seed Quality in Spring Barley in Four Environments. I. Germination and Longevity. Seed Science Research. 1:163-177.
  • Kermode, R.A. and J.D. Bewley, 1985. The Role of Maturation Drying in the Transition from Seed Development to Germination. Journal of Experimental Botany. 36(173):1906-1915.
  • Lotito, S. and L. Quagliotti, 1993. The Influence of Storage Temperature and Moisture Content a Seed Viability in Pepper (Capsicum annum L.). Agronomie. 13:231-234.
  • Pursegglove, J.W., 1987. Tropical Crops Dicotyledons. Longman Scientific and Technical. London. pp:122-124.
  • Rao, N.K., E.H. Roberts and R.H. Ellis, 1988. A Comparison of the Quantitative Effects of Seed Moisture Content and Temperature on the Accumulation of Chromosomal Damage and Loss of Seed Viability in Lettuce. Annals of Botany. 62:245-248.
  • Roberts, E.H., 1986. Quantifying Seed Deterioration. Physiology of Seed Deterioration. Crop Science Society of America. Madison, pp:101-123.
  • Roberts, E.H., 1989. Seed Storage for Genetic Conservation. Plants Today. January-February 1989, pp:12-18.
  • Roberts, E.H. and R.H. Ellis, 1989. Water and Seed Survival. Annals of Botany. 63:39-52.
  • Roos, E.E. and D.A. Davidson, 1992. Record Longevities of Vegetable Seeds in Storage. Hort Science. 27(5):393-396.
  • Thomson, J.R., 1979. An Introduction to Seed Technology. Thomson Litho Ltd. East Klibride Scotland. pp:77-92.
  • Trawatha, S.E., J.J. Steiner and K.J. Bradford, 1990. Laboratory Vigour Tests Used to Predict Pepper Seedling Field Emergence Performance. Crop Science. 30:713-717.
  • Zanakis, G.N., R.H. Ellis and R.J. Summerfield, 1993. Response of Seed Longevity to Moisture Content in Three Genotypes of Soyabean (Glycine max.). Exp. Agric. 29:449-459.

Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi

Year 1994, Volume: 23 Issue: 1-2, 53 - 58, 31.12.1994

Abstract

Tohum neminin kabak (Cucurbita pepo L. Sakız Kabağı) tohumlarının depo ömrüne olan etkisi araştırılmıştır. Tohumlar %6.5, %8.5, %10.0, %13.7, %14.5 ve %16.5 nem düzeyinde 40℃’de hava geçirmez şekilde 24 gün depolanmış ve 3., 7., 10., 14., 17., 21. ve 24. günlerde alınan örnekler üzerinde toplam ve normal çimlenme (%), kök uzunluğu (cm, çimlenmenin 3. günü) ölçümleri yapılmıştır. Ayrıca her nem düzeyindeki tohum grubu için P₅₀ (tohumların %50’sinin ölümüne kadar geçen gün sayısı) değerleri saptanmıştır. En uzun depolama ömrü %6.5 nemdeki tohumlarda görülmüştür. 24 gün sonra bu tohumlar %50 dolayında canlılık ve normal çimlenme gösterirken nemin yükselmesiyle canlılık kaybı da hızlanmıştır. %8.5 ile 16.6 nem arası depolanan tohumlarda depolama ömrü ile tohum nemi arasında negatif bir doğrusal ilişki gözlenmiştir. Canlılıktaki azalma gibi kök uzunluğu da nemin artışıyla azalmıştır. Tohumlar canlılıklarını kaybetmeden önce normal çimlenebilme ve kuvvetli kök geliştirebilme yetilerini kaybetmişlerdir. Depolamanın canlılıktan çok bu faktörler üzerinde daha etkin olduğu gözlenmiştir. Uzun süreli depolama için %6.5, kısa süreli depolamalarda %10 dolayındaki nemin tohum kalitesini korumak açısından önemli olduğu saptanmıştır.

References

  • Anonymous, 1985. International Rules for Seed Testing Rules 1985. Seed Science and Technology. 13(2):303-513.
  • Anonymous, 1987. Handbook of Vigour Test Methods. 2. Edition. Zurich. Switzerland. pp:10-21.
  • Copeland, L.D. and M.B. McDonald, 1985. Principles of Seed Science and Technology. Macmillan Publishing Company. New York. pp:145-170.
  • Demir, I. and R.H. Ellis, 1992. Development of Pepper (Capsicum annum L.) Seed Quality. Ann. Appl. Biol. 121:385-399.
  • Demir, I. and 1993. Changes in Potential Seed Longevity and Seedling Growth During Seed Development and Maturation in Marrow. Seed Science Research. 3:247-257.
  • Ellis, R.H. and E.H. Roberts, 1980. Towards A Rational Basis for Testing Seed Quality. Seed Production (Ed: P.H. Hebblathwaite) Butterworths London. pp:605-635.
  • Filho, C.P. and R.H. Ellis, 1991. The Development of Seed Quality in Spring Barley in Four Environments. I. Germination and Longevity. Seed Science Research. 1:163-177.
  • Kermode, R.A. and J.D. Bewley, 1985. The Role of Maturation Drying in the Transition from Seed Development to Germination. Journal of Experimental Botany. 36(173):1906-1915.
  • Lotito, S. and L. Quagliotti, 1993. The Influence of Storage Temperature and Moisture Content a Seed Viability in Pepper (Capsicum annum L.). Agronomie. 13:231-234.
  • Pursegglove, J.W., 1987. Tropical Crops Dicotyledons. Longman Scientific and Technical. London. pp:122-124.
  • Rao, N.K., E.H. Roberts and R.H. Ellis, 1988. A Comparison of the Quantitative Effects of Seed Moisture Content and Temperature on the Accumulation of Chromosomal Damage and Loss of Seed Viability in Lettuce. Annals of Botany. 62:245-248.
  • Roberts, E.H., 1986. Quantifying Seed Deterioration. Physiology of Seed Deterioration. Crop Science Society of America. Madison, pp:101-123.
  • Roberts, E.H., 1989. Seed Storage for Genetic Conservation. Plants Today. January-February 1989, pp:12-18.
  • Roberts, E.H. and R.H. Ellis, 1989. Water and Seed Survival. Annals of Botany. 63:39-52.
  • Roos, E.E. and D.A. Davidson, 1992. Record Longevities of Vegetable Seeds in Storage. Hort Science. 27(5):393-396.
  • Thomson, J.R., 1979. An Introduction to Seed Technology. Thomson Litho Ltd. East Klibride Scotland. pp:77-92.
  • Trawatha, S.E., J.J. Steiner and K.J. Bradford, 1990. Laboratory Vigour Tests Used to Predict Pepper Seedling Field Emergence Performance. Crop Science. 30:713-717.
  • Zanakis, G.N., R.H. Ellis and R.J. Summerfield, 1993. Response of Seed Longevity to Moisture Content in Three Genotypes of Soyabean (Glycine max.). Exp. Agric. 29:449-459.
There are 18 citations in total.

Details

Primary Language Turkish
Subjects Agricultural Engineering (Other)
Journal Section Makaleler
Authors

İbrahim Demir This is me

Publication Date December 31, 1994
Submission Date January 1, 1994
Acceptance Date January 31, 1994
Published in Issue Year 1994 Volume: 23 Issue: 1-2

Cite

APA Demir, İ. (1994). Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi. Bahçe, 23(1-2), 53-58.
AMA Demir İ. Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi. Bahçe. December 1994;23(1-2):53-58.
Chicago Demir, İbrahim. “Tohum Neminin Kabak (Cucurbita Pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi”. Bahçe 23, no. 1-2 (December 1994): 53-58.
EndNote Demir İ (December 1, 1994) Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi. Bahçe 23 1-2 53–58.
IEEE İ. Demir, “Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi”, Bahçe, vol. 23, no. 1-2, pp. 53–58, 1994.
ISNAD Demir, İbrahim. “Tohum Neminin Kabak (Cucurbita Pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi”. Bahçe 23/1-2 (December1994), 53-58.
JAMA Demir İ. Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi. Bahçe. 1994;23:53–58.
MLA Demir, İbrahim. “Tohum Neminin Kabak (Cucurbita Pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi”. Bahçe, vol. 23, no. 1-2, 1994, pp. 53-58.
Vancouver Demir İ. Tohum Neminin Kabak (Cucurbita pepo L. Sakız Kabağı) Tohumlarının Depolama Ömrüne Etkisi. Bahçe. 1994;23(1-2):53-8.

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