Journals / Ekoloji / 2011 / Cilt: 20 - Sayı: 81

Corylus avellana var.avellana' da yaprak azot (N), ve fosfor (P)dinamikleri ve yaprak rezorbsiyonu

Foliar nitrogen (N),phoshorus (P) dynamics,and foliar resorption of Corylus avellana var. avellana

Journal
Ekoloji
Pages
1–7
Publication Date
2022-10-17
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Soil properties along the topographic gradient also changed.

📌 3 Key Takeaways

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Objective & Hypothesis:Corylus avellana var. avellana (Corylaceae) has a widespread distribution in the Central Black Sea Region of Turkey and is very valuable in the food industry and plays an important role in the economy of the Black Sea Region of Turkey.
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Key Findings & Data:In this study, nitrogen (N) and phosphorus (P) concentrations along a topographical gradient (from sea level to 550 m) and through the growing season (from April to October) were investigated.
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Conclusion & Impact:Soil properties along the topographic gradient also changed.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Corylus avellana var. avellana (Corylaceae) has a widespread distribution in the Central Black Sea Region of Turkey and is very valuable in the food industry and plays an important role in the economy of the Black Sea Region of Turkey. In this study, nitrogen (N) and phosphorus (P) concentrations along a topographical gradient (from sea level to 550 m) and through the growing season (from April to October) were investigated. In addition to this, foliar resorption was also studied as resorption efficiency $(_{RE})$and resorption proficiency $(_{RP})$) which is defined as the proportion of nutrients withdrawn from leaves and the N and P concentrations in senesced leaves, respectively. Statistically significant differences were not found with respect to leaf N concentration and SLA during the growing season although leaf P concentration, leaf N/P ratio and SLA were significantly changed during the growing season. Except for$N_{RE,} P_{RE,} N_{RP,} and P_{RP}$all of the leaf traits were significantly changed along the topographic gradient. The N/P ratio which is an indicator of N- and P-limitation decreased during the growing season and along the topographic gradient. The N and P concentrations in the senescent leaves of C. avellana was below 50 $mu{g} $ $mc-^2$ 3 $mu{g} $ $mc-^2$ respectively along the topographic gradient and this species is N and P-proficient according to the threshold values. Soil properties along the topographic gradient also changed.

Özet

Corylus avellana var. avellana (Corylaceae) Türkiye'nin Orta Karadeniz Bölgesinde geniş bir yayılışa sahip olup besin endüstrisi için çok değerlidir. Bu bitki Türkiye'nin Karadeniz Bölgesinin ekonomisinde önemli rol oynamaktadır. Bu çalışmada, azot (N) ve fosfor (P) konsantrasyonları, topografik gradient (deniz seviyesinden 550 metreye kadar) ve gelişim sezonu (Nisan'dan Ekim'e kadar) boyunca incelendi. Bunlara ilave olarak, senesens yapraklardan geri alınan N ve P besin elementlerinin konsantrasyon oranı olarak tanımlanan yaprak rezorbsiyonu, rezorbsiyon verimliliği $(_{RE})$ ve rezorbsiyon yeterliliği $(_{RP})$ olarak çalışıldı. Yaprak P konsantrasyonu, yaprak N/P oranı ve SLA'nm gelişme mevsimi boyunca istatistiksel yönden önemli değişim göstermesine karşın yaprak N konsantrasyonu ve spesifik yaprak alanı (SYA) gelişme mevsimi boyunca değişim göstermemektedir.$N_{RE,} P_{RE,} N_{RP,} ve P_{RP}$ dışındaki tüm yaprak özellikleri yükseklik gradiyenti boyunca önemli değişim göstermektedir. N- ve P- kısıtlamasının bir göstergesi olan N/P oranı hem gelişme mevsimi hem de-yükseklik gradiyenti boyunca azalmaktadır. C. avellana var. avellana'nın senesens yapraklarının N ve P konsantrasyonları topografik gradient boyunca sırasıyla, 50 $mu{g} $ $mc-^2$ ve 3 $mu{g} $ $mc-^2$ nin altındadır ve C. avellana var. avellana eşik değeri sınırlarına göre N ve P- bakımından yeterlidir. Toprak özellikleri de yükseklik faktörü boyunca değişim göstermektedir.

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Cite This Article

KILIÇ, D. D., YALÇIN, S., ÖZBUCAK, B. T., KUTBAY, H. G. (2022). Corylus avellana var.avellana' da yaprak azot (N), ve fosfor (P)dinamikleri ve yaprak rezorbsiyonu. Ekoloji, Cilt: 20 - Sayı: 81, 1–7. https://ajindex.com/articles/499088

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