The activity of antioxidants enzymes and NPK contents as affected by water qaulity, kinetin, bio and organic fertilization in lettuce (lactuca sativa l.)

A field experiment was conducted using split – split block design to study the effect of irrigation water quality ,organic composts ,kinetin and Bio- health application on N.P.K contents and anti-oxidant enzymes activity in lettuce, The experiment included three factors ,quality of irrigation water...

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Vydáno v:Iraqi journal of agricultural science Ročník 49; číslo 3; s. 506 - 518
Hlavní autoři: al-Tai, Durid Kamil Abbas, Majid, Zahra Zuhayr
Médium: Journal Article
Jazyk:angličtina
Vydáno: Baghdad, Iraq University of Baghdad, College of Agriculture 01.01.2018
Jami'at Baghdad
Témata:
Antioxidants
Catalase
Composting
Composts
Elevation
Emotions
Enzymes
Fertilization
Fertilizers
Fronds
Growth regulators
Health
Irrigation
Irrigation effects
Irrigation water
Kinetin
Leaves
Lipids
Malondialdehyde
Organic fertilizers
Organic matter
Oxidizing agents
Peroxidase
Plant growth
Proline
Saline water
Salt
Superoxide dismutase
Water quality
Water salinity
الإخصاب
الخس
الري
الزراعة
جودة المياه
مضادات الأكسدة
ISSN:0075-0530, 2410-0862
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Shrnutí:A field experiment was conducted using split – split block design to study the effect of irrigation water quality ,organic composts ,kinetin and Bio- health application on N.P.K contents and anti-oxidant enzymes activity in lettuce, The experiment included three factors ,quality of irrigation water (W) at two levels (1.2, 6.1 dS m -1 ), kind of organic composts Plam fronds and Rice wastes(20) ton /hectare , kinetin application (50 mg.L-1 ) and bio-health fertilizers (5 kg/ hectare). The results indicated that elevation of water salinity levels led to elevation in activity of Peroxidase POX , Catalase CAT, Malondialdehyde MDA, Superoxide dismutase SOD enzymes and proline contents in leaves, while it decrease leaves contents of ( N.P.K), Organic composts , kinetin and bio-health applications alleviated from the negative effects of saline water by increasing the (NPK) contents in leaves ,reduced POX ,CAT, MDA,SOD and proline , That possible to mitigation the negative affect of salt stress in lettuce the application of plant growth regulators , bio fertilizers and decomposed organic matter
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ISSN:0075-0530
2410-0862
DOI:10.36103/ijas.v49i3.123