Potasyumlu ve Magnezyumlu Gübrelemenin Örtü Altında Yetiştirilen Domates Bitkisinde Ürün ve Klorofil ile Yetişme Dönemi Süresince Bazı Bitki Besinlerinin Örnekleme Dokularındaki İçerikleri Üzerine Etkileri

Year 1999, Volume: 12 Issue: 1, 47 - 60, 01.12.1999

Bülent Topcuoğlu S. Rıfat Yalçın

Abstract

Sera denemesinde toprağa değişik miktar ve kombinasyonlarda uygulanan potasvumlu ve magnezyumla gübrelerle ilgili olarak domates bitkisinin meyve verimi ve yaprak klorofil içeriği artmıştır. Potasyumlu gübre uygulamaları domates bitkisinde belirlenen potasyum eksikliğini gidermiştir. Domates bitkisinin yetişme döneminde, yaprak ayası ve yaprak sapı dokularında, toprağa uygulanan potasyumlu gübre ile ilgili olarak K, N, P ve Ca içeriklerinin arttığı, magnezyumlu gübre uygulamaları ile ilgili olarak K, Mg ve P içeriklerinin arttığı ve Ca içeriğinin azaldığı genel olarak belirlenmiştir. Birinci örneklemede (birinci çiçek salkımı olum aşaması) domates bitkisinin dokularında belirlenen bitki besin bileşiminin II. örneklemede (altıncı çiçek salkımı olum aşaması) belirlenenden farklı olduğu ve yetişmenin ileri aşamalarında N, P ve K içeriklerinin azaldığı, Mg ve Ca içeriklerinin arttığı belirlenmiştir.

Keywords

Potasyum, magnezyum, domates, mineral içerikleri

The Effects of Potassium and Magnesium Fertilization on Yield and Chlorophyll and Some Nutrient Contents in Sampling Tissues During Vegetation Period in Tomato Plant Grown Under Covered Conditions

Abstract

In a greenhouse experiment, yield and leaf chlorophyll content of tomato plant were increased by the applications of potassium and magnesium fertilizers applied to soil in different amounts and combinations. Applications of potassium fertilizer have removed potassium deficiency in tomato plant. In the vegetation period, it is generally determined that K, N, P and Ca contents were increased by the applications of potassium fertilizer, and K, Mg and P contents were increased while Ca content decreased by the applications of magnesium fertilizers in leaf blade and petiole tissues of tomato plant. In the first sampling (the first flower truss formation stage), the plant nutrient composition in tomato tissues were found to be different than those of the second sampling (the sixth flower truss formation stage), and N, P and K contents decreased while Mg and Ca contents increased in the later stage of vegetation.

Keywords

Potassium, magnesium, tomato, mineral contents

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