>
Fa   |   Ar   |   En
   Effect of cobalt on growth,yield and chemical constituents of Nigella sativa L.  
   
نویسنده khalid k.a. ,ahmed a.m.a.
منبع journal of materials and environmental science - 2016 - دوره : 7 - شماره : 6 - صفحه:2201 -2207
چکیده    Cobalt ion (co2+) is considered a beneficial element for higher plants due to its direct role in their metabolism. nigella sativa l. (n. sativa) is a widely used medicinal plant throughout the world. the aim of this study was to evaluate the influence of co2+ on n. sativa growth,yield and chemical constituents. nigella sativa l. plants were subjected to different rates of co2+ to study the influence of co2+ on growth,yield and chemical constituents. the growth characters [plant height (cm),number of leaves (plant-1),number of branches (plant-1),number of capsules (plant-1),herb dry weight (plant-1) and seed yield (plant-1)] increased as the concentration of co2+ increased. the highest values of growth characters (45.8,55.8,13.7,39.1,19.6 and 9.7) were observed at 30 mg l-1. the highest essential and fixed oil contents (0.5% and 24.1%) were recorded at 40 mg l-1. the highest values of total carbohydrate,soluble sugars and protein contents resulted from the treatment of 30 mg l-1,the increases in total carbohydrate,soluble sugars and protein were 47%,140% and 44.4% higher than the control treatment. the treatment with 30 mg l-1 resulted in the highest npk accumulation (3.9,0.6 and1.4%). the highest n and k uptakes (0.8% and 0.3%) were recorded in the treatment of 30 mg l-1. no changes occurred in p uptake under co2+ concentrations. the lowest values of growth characters and chemical constituents were observed in control treatment (0.0 mg l-1).
کلیدواژه Chemical constituents; Growth characters; Nigella sativa L.
آدرس research of medicinal and aromatic plants department,national research centre,el buhouth st.,dokki,cairo, Egypt, botany department,national research centre,el buhouth st.,dokki,cairo, Egypt
 
     
   
Authors
  
 
 

Copyright 2023
Islamic World Science Citation Center
All Rights Reserved