Kuzey Irak Duhok'ta elma ağaçlarının (Malus domestica) beslenme durumu

Öz

Bu araştırma Irak'ın kuzeyindeki Duhok ilinde elma bahçelerinde bir saha çalışması olarak gerçekleştirilmiştir. Araştırma Duhok ilinin dört farklı köyünde (Bagira, Babire, Dillia ve Kanimassi), her bir köyde seçilen üç elma bahçesi olmak üzere on iki adet bahçede yürütülmüştür. Her bir örnekleme noktasının koordinatlarını belirlemek için GPS sistemi kullanılmıştır. Elma ağaçlarının beslenme durumunu belirlemek amacıyla, her bir bahçeden seçilen beş adet elma ağacından yaprak örnekleri alınmış ve toplamda 60 elma ağacından alınan yaprak örneklerinde bitki besin element (N, P, K, Ca, Mg, Fe, Cu, Mn ve Zn) içerikleri belirlenmiştir. Farklı lokasyonlardan alınan yaprak örneklerinin N ve Fe içerikleri sırası ile %1.9 – 2.1 ve 129 – 135 mgkg-1 aralığında ve yeterli düzeyde bulunmuştur. Yaprak örneklerinde K, Zn ve Cu içerikleri sırası ile % 1.1 - 1.2, 12.3 - 17.1 mgkg-1 ve 2.1 - 3.5 mgkg-1 aralığında bulunmuş ve noksan olarak değerlendirilmiştir. En yüksek P içerikleri Kanimassi’de %0.3-0.4 aralığında belirlenirken Dilia 2 ve Bagera 3 bahçelerindeki %0.2 P içerikleri yeterli seviyede bulunmuştur. Yaprak Mg içerikleri Babire 2 hariç bütün örnekleme noktalarında yeterli düzeyde belirlenirken, Ca içerikleri sadece Kanimassi 2’ den alınan yaprak örneklerinde yeterli olarak belirlenmiştir. Mn içerikleri Bagera dışındaki köylere ait örneklerde yeterli düzeyde bulunmuştur. Genel olarak farklı lokasyonlardan alınan yaprak örneklerinde K, Ca, Zn ve Cu element noksanlığı saptanmıştır.

Anahtar Kelimeler

• Elma ağacı
• yaprak
• makro besin elementi
• mikro besin elementi

Destekleyen Kurum

Herhangi bir kurum tarafından desteklenmemiştir

Nutritional status of apple trees (Malus domestica) in Duhok, Northern Iraq

Öz

This research was conducted as a field study in apple orchards in Duhok province in northern Iraq. The study was carried out in twelve orchards, three apple orchards selected in each of four different villages (Bagira, Babire, Dillia, and Kanimassi) in Duhok province. A GPS system was used to determine the coordinates of each sampling point. To determine the nutritional status of apple trees, leaf samples were taken from five apple trees selected from each orchard, and the plant nutrient element contents (N, P, K, Ca, Mg, Fe, Cu, Mn, and Zn) were determined in leaf samples taken from a total of 60 apple trees. The N and Fe contents of leaf samples taken from different locations were found as adequate, ranging from 1.9% to 2.1% and 129 mgkg-1 to 135 mgkg-1, respectively. The K, Zn, and Cu contents in the leaf samples were found as deficient, ranging from 1.1% to 1.2%, 12.3 mgkg-1 to 17.1 mgkg-1, and 2.1 mgkg-1 to 3.5 mgkg-1, respectively. The highest P content was determined in Kanimassi at 0.3-0.4%, while the 0.2% P content in Dilia 2 and Bagera 3 gardens was found to be at a sufficient level. Mg content was determined as at sufficient levels in plant leaves at all sampling points except Babire 2, while Ca content was determined as sufficient only in leaf samples taken from Kanimassi 2. Mn content was found as at sufficient levels in samples from villages other than Bagera. In general, deficiencies in the elements K, Ca, Zn, and Cu were detected in leaf samples taken from different locations.

Anahtar Kelimeler

• Apple tree
• leaf
• macronutrient
• micronutrient

Kaynakça

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