Studying bearing of some cultivars of clove plant (Dianbhus caryophyllus l.)‎ for salt stress under Iraqi conditions

Abstract EN

The experiment was conducted in the unheated greenhouse belonging to the Department of Horticulture and Landscape Gardening, College of Agriculture, Al-Qasim Green University during the growth season (2017-2018) in order to study bearing of some cultivars of clove plant (Dianbhus caryophyllus L.

) for salt stress under Iraqi conditions.

The addition of the bio-vaccine led to a significant increase in the averages of traits of plant height, leaf area, reducing the number of days required to open the first flower on the plant, vase life of flowers, length of the main root, number of main roots, the leaves content of total soluble carbohydrates, decreasing the effectiveness of enzymatic antioxidants ((Superoxide dismutase(SOD) and Catalase (CAT)), which amounted to (59.

81 cm, 248.

44 cm2, 159.

46 days, 6.

55 days, 20.

80 cm, 17.

18 roots.

plant-1, 11.

43 mg.

100 g-1 dry weight, 31.

45 units.

mol-1, and 8.

74 units.

mol-1), respectively.

Salt stress reduced the averages of vegetative and root traits and The lowest values were recorded in plants growing under the S4 salt level (9 ds.

m-1), which led to un-flowering the plants.

Triple interaction treatments between the study factors worked to achieve the best values for the averages of all studied traits represented by the plant height, leaf area, the number of days required to open the first flower on the plant, the vase life of the flowers, the length of the main root, the number of main roots, the leaves content of total soluble carbohydrates and the effectiveness of enzymatic antioxidants (Superoxide dismutase and Catalase), which amounted to (80.

90 cm, 472.

08 cm2, 178.

22 days, 10.

16 days, 37.

21 cm, 30.

29 roots.

plant-1, 16.

64 mg.

100 g-1 dry weight, 17.

32 units.

mol-1, 1.

67 units.

mol-1), respectively.