1983 Cilt 2 Sayı 1

Permanent URI for this collectionhttps://hdl.handle.net/11452/15372

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Browsing by BUU Author "Turan, Z. Metin"

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    Ayçiçeğinde fertilite restorasyonun kalıtımı üzerinde araştırmalar
    (Uludağ Üniversitesi, 1983) Turan, Z. Metin; Uludağ Üniversitesi/Ziraat Fakültesi.
    Ayçiçeğinde fertilite restorasyonun halıtımını araştırmak için iki restorer hat (Sf521/76 ve Sf505/76) ve bir sitoplazmik male steril (CMS) hat (Baso) kullanılmıştır. Restorer hatlar ve CMS hattı arasındaki melezlerin F2 ve BC1 generasyonlan 1983 yılında Bursa 'da yetiştirilmiştir. F2 ve BC1 generasyonlarında gözlenen male fertil bitkilerin male steril bitkilere oranı 3:1 ve 1:1 şeklinde olmuştur. Bu sonuçlar incelenen materyalde fertilite restorasyonun dominant etkili tek bir gen çifti tarafından idare edildiğini göstermiştir.
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    Effects of application times and rates of pix on growth, yield, earliness and certain fiber traits of Cotton (G. hirsutum L.) under different levels of irrigation and nitrogen in the Ege Region of Turkey
    (Uludağ Üniversitesi, 1983) Emiroğlu, Ş. Hazım; Akdemir, Hüseyin; Turan, Z. Metin; Uludağ Üniversitesi/Ziraat Fakültesi.
    In order to study the effects of three rates of Pix (control, 50 and 75g a.i./ha) and two Pix application times (at the beginning and the peak of the {lowering) on vegetative growth, seed cotton yield, earliness and certain fiber traits of cotton under two irrigation levels (three and six irrigations) and two rates of nitragen (75 and 150 Kg N/ha) a two-year experiment was conducted in İzmir. The application of higher irrigation and nitragen levels caused an abnormal and vegetative growth. But both rates of Pix (50 and 75 g a.i./ha) caused a reduction of height ranged from 3.0 % to 21.3 % and inhibited excessive growth of the plants. However, the di{ference between these two Pix rates was not significant. The Pix applications made at the beginning o{ the {lowering were more effective and reduced the plant height more than those o{ made at the peak of the flowering. Additionally, Pix increased the earliness of cotton significantly by 2.0% to 15.2% when the applications were made at the beginning of the flowering. The effects of Pix applications on the seed cotton yield, some components o{ the yield and the fiber traits were insignificant. The higher irrigation level (six irrigations) increased the plant height, the number of bolls per plant, the seed cotton yield and the seed index, but it reduced the earliness and lint percentage.