The Effects of Plant Density and Organic Fertilizer on Growth and Yield of Sweet Corn (Zea mays L. var. saccharata Sturt)

Year 2019, Volume: 24 Issue: 1, 43 - 55, 30.04.2019

Kamaran Mustafa Fattah Suat Şensoy , Akram Othman Esmaıl

Abstract

The present study was conducted to investigate the effect of plant density (A1:80000, A2:120000, and A3:160000 plant ha-1) and organic fertilizer (B1:0 and B2:25 ton ha-1) on growth and yield of sweet corn (Zea mays L. var. saccharate, Sturt cv. Succar, F1) in a private farm in Qushtapa, 30 km far from the center of Erbil in Iraq, during the spring seasons in 2017 and 2018 years. The experiment was designed in a factorial randomized complete block design (RCBD) with three replications. The traits studied were: plant height (cm), number of leaves, number of branches, chlorophyll content, leaf areas (m2), dry matter content, cob length (cm), number of seed per row, com diameter (cm), number of cob per plant and number of row per con, seed number per cob, fresh seed yield(ton ha-1) and fresh cob yield (ton ha-1). The results of the experiment revealed that plant density and organic fertilization and their interaction were significant in almost all traits in both years.

Keywords

Organic fertilizer, Plant density, Sweet corn, Yield

Bitki Sıklığı ve Organik Gübrelemenin Tatlı Mısırın (Zea mays L. var. saccharata Sturt) Büyüme ve Verimine Etkisi

Abstract

Bu çalışma, bitki sıklığının (A1: 8 000, A2: 12 000 ve A3: 16 000 bitki/da) ve organik gübrelemenin (B1: 0 ve B2: 2.5 ton/da) tatlı mısır (Zea mays L. var. saccharate, Sturt cv. Succar, F1)̓ ın gelişim ve verimine etkilerini araştırmak amacıyla Erbil'in merkezine (Irak) 30 km uzaklıktaki Kuştepe’de özel bir çiftlikte, 2017 ve 2018 yıllarında yürütülmüştür. Deneme, tesadüf bloklarında
faktöriyel deneme desenine göre 3 tekrarlamalı olarak planlanmıştır. İncelenen özellikler: bitki boyu (cm), yaprak sayısı, dal sayısı, klorofil içeriği, yaprak alanı (m2), kuru madde içeriği, koçan uzunluğu (cm), sıra başına tohum sayısı, koçan çapı (cm), bitki başına koçan sayısı ve koçan başına sıra sayısı, koçan başına tohum sayısı, taze tohum verimi ve taze koçan verimi olmuştur. Deneme sonuçları, her iki yılda da hemen hemen tüm özelliklerde bitki yoğunluğu ve organik gübre ile iki uygulama interaksiyonun önemli olduğunu ortaya koymuştur.

Keywords

Organik gübre, Bitki sıklığı, Tatlı mısır, Verim

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