Effects of Imazamox Applications on Stem Anatomy in Sunflower (Helianthus annuus L.) Cultivars
Küçük Resim Yok
Tarih
2020
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
The aim of this study was to examine the effects of different doses of imazamox, an imidazolinone (IMI) group herbicide commonlyused in sunflower agriculture, on the stem anatomical structure of sunflower cultivars. In this study, four different sunflowercultivars were used as SN:8 which is unresisting to IMI and resistant groups to IMI which are SN:9, SN:10 and SN:14. Seedlingscoming to 4-6 leaf stage were applied with 3 different doses of herbicides (1 dose (3.125 ml/l), 2 doses (6.25 ml/l) and 3 doses(9.375 ml/l). When the cross sections of stem samples taken 7 days after the herbicide application were examined under lightmicroscope, decreases in epiderma cell sizes due to dose increase, increases and decreases in collenchymavlayer thicknesses andcell lines, decreases in cortex parenchyma layer thicknesses, sclerenchymal layer thicknesses and significant increases anddecreases were observed between the groups and doses in trachea cells. According to these data, it can be concluded that boththe effects of herbicide dose changes and anatomical changes in stem sections can be used to determine resistant cultivars .
Açıklama
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Kaynak
Uluslararası tarım araştırmalarında yenilikçi yaklaşımlar dergisi (Online)
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Cilt
4
Sayı
2
