1983 Cilt 2 Sayı 1

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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.
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    Fattening performance of castrated and intact crossered male kids
    (Uludağ Üniversitesi, 1983) Akman, Numan; Tuncel, Erdoğan; Uludağ Üniversitesi/Ziraat Fakültesi/Zooloji Bölümü.
    In this study Saanen x Kilis B1 crossbred kids were used. After a 3 months suckling period kids were divided into two groups of 10 individuals each. Kids in the randamly chosen group were castrated by burdizzo clamps at about 7 months of age. After a two weeks preliminary-feeding period the groups were fed ad libitum on concentrate mixture in separate pens. In addition, a limited amount of trashed alfalfa hay was given. Body weight and same body measurements were recorded fortnightly for 14 weeks as well as group feed intakes. The overall means of daily gain were 150.1 g in the males and 128.4 g. in the castrates. Feed canversion efficiency calculated as kg feed consumed per kg daily gain was 3.98 and 4.46; protein consumption was 692 and 795 g respectively. It was concluded that intact males grew faster and utilized the feed better than castrates.
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    Hay yield and leafiness components in smooth bromecrass (Bromus inermis Leyss.)
    (Uludağ Üniversitesi, 1983) Tekeli, A. Servet; Açıkgöz, Esvet; Uludağ Üniversitesi/Ziraat Fakültesi/Tarla Bitkileri Bölümü.
    Hay yield and leafiness components of spaced plants were evaluated for six cultivars of smooth bromegrass. All morphological traits showed significant correlations with hay yield. However path analysis showed that hay yield was a direct function of tillers/plant and plant height. Plant height was also negatively associated with leafiness. It was concluded that selection based on tillersip/ant may improve hay yield without adverse affect on leafiness. It appeared that plant height was one of the most distinguishing characters of smooth bromegrass cultivars.