Effect of Drought Stress and Seaweed Applications on Some Physiological Parameters in Echinacea (Echinacea purpurea L.)
Abstract
This study was carried out to
determine the effects of seaweed (Ascophyllum
nodosum) extract applications (control,
2, 4 and 6 cc/l) and drought stress at the
different osmotic pressure (control,-0.5 MPa, -1.0 MPa and -1.5 MPa) generated by PEG 6000 on some physiological
parameters in Echinacea. The leaf area, leaf chlorophyll content, ion
leakage in leaf tissues, malondialdehit level (MDA), relative water content,
and membrane endurance index in leaf tissues of echinacea plants were
investigated.As a result of the research;
leaf area, membrane endurance
index and relative water content in leaf tissues decreased under drought
stress. It was determined that there was increase in the level of MDA and ion
leakage in leaf tissues by the applications. Drought stress did not have any
significant effect on the leaf chlorophyll content. It has been determined that
seaweed applications had the negative effects on the plant of drought stress.
There were positive and increasing effects on the examined parameters such as
leaf chlorophyll content and membrane endurance index except for MDA level and
ion leakage in leaf tissues of seaweed applications. Seaweed applications did
not affect investigated parameters includfing relative water content of leaf
tissues and leaf area.
Keywords
Teşekkür
Kaynakça
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Ayrıntılar
Birincil Dil
Türkçe
Konular
Ziraat, Veterinerlik ve Gıda Bilimleri
Bölüm
Araştırma Makalesi
Yayımlanma Tarihi
28 Şubat 2020
Gönderilme Tarihi
4 Mart 2019
Kabul Tarihi
24 Temmuz 2019
Yayımlandığı Sayı
Yıl 1970 Cilt: 23 Sayı: 1
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