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Başlık: The effects of NaCl priming on salt tolerance in melon seedlings grown under saline conditions
Yazarlar: Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Bahçe Bitkileri Bölümü.
Sivritepe, Nuray
Sivritepe, H.Özkan
Eriş, Atilla
Anahtar kelimeler: Cucumis melo
NaCl priming
Salt tolerance
Total sugar
Proline
Ions
Vegetative growth
Water relations
Fruit-quality
Plant-growth
Tomato
Muskmelon
Yield
Stress
Seeds
Germination
Agriculture
Yayın Tarihi: 17-Şub-2003
Yayıncı: Elsevier Science Bv
Atıf: Sivritepe, N. vd. (2003). “The effects of NaCl priming on salt tolerance in melon seedlings grown under saline conditions”. Scientia Horticulturae, 97(3-4), 229-237.
Özet: Seeds of melon cultivars "Hasanbey" and "Kirkagac" were primed (P) with 18 dS m(-1) NaCl solution for 3 days at 20 degreesC. After priming, non-primed (NP) and P seeds were sown in germination boxes containing sphagnum peat. The germination boxes were placed in an unheated greenhouse and watered with five different NaCl solutions (0.3 (control), 4.5, 9.0, 13.5 and 18.0 dS m(-1)), for a period of 4 weeks. Total emergence and dry weight were higher in melon seedlings derived from P seeds and they emerged earlier than NP seeds. Moreover, seeds from NP groups could tolerate up to 9.0 dS m(-1) NaCl salinity, while the total emergence values of P groups in cvs. "Hasanbey" and "Kirkagac" did not decrease below 50% at 13.5 and 18.0 dS m(-1), respectively. NaCl priming enhanced total sugar and proline accumulation and prevented toxic and nutrient deficiency effects of salinity because less Na but more K and especially Ca was accumulated in melon seedlings. As a matter of fact, Na:Ca balances of seedlings derived from P seeds were significantly lower than those of NP seeds under similar salinity levels. These results suggest that NaCl priming of melon seeds increased salt tolerance of seedlings by promoting K and Ca accumulation, besides inducing osmoregulation by the accumulation of organic solutes.
URI: https://doi.org/10.1016/S0304-4238(02)00198-X
https://www.sciencedirect.com/science/article/pii/S030442380200198X
http://hdl.handle.net/11452/20866
ISSN: 0304-4238
Koleksiyonlarda Görünür:Web of Science

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