The Influence Of Priming Two Cucumber Cultivar Seeds

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J. Duhok Univ. Vol.13, No.1, (Agri. And Vet. Sciences) Pp 171-175, 2010 171 MATERIALS AND METHODS The field experiment was conducted during the 2007-2008 growing season at horticulture Department, college of Agriculture, Dohuk University. Seeds of Nigella damascena were obtained from the herbal grocery in Dohuk. Seeds were Sowed in (25) cm pots, after one month seedling were thinned to three per pot. The experiment was laid out in Randomized Complete Block Design with three replications. Fe applied as FeSO4.7H2O with (0, 100, 200, 300) mg.l -1 concentrations for two time the first was done two month after sowing and the second was one month later, whereas Mo applied as Na2MoO4.2H2O with (0, 100, 200) mgl -1 concentrations for two time after one week as interval with Fe . The studied characteristics are plant height, number of branch per plant, number of fruit per plant, number of seeds per fruit, seed weight per plant, 100-seed weight, vegetative dry weight. Data analyzed statistically; using SAS program, mean values Characters Plant length (cm) Branches number / plant Dry weight (gm) were compared by Duncan test at 5% level (SAS, 2001). RESULTS AND DISCUSSION. 1-The Effects of Mo and Fe in plant length, branch number, and plant dry weight. Data in table (1) showed that 100 and 200 mg.l -1 of Mo had significantly effects on plant length, brunches number, dry weight of plant when compared with the control and the highest increasing percentage than control arrive (31.71, 26.85), (41.86, 42.33), (49.37, 53.46) % for the three characters respectively, while there aren’t any effect as a result for increase in Mo concentration from 100 to 200 mg.l -1 . Spraying nigella plant with Fe resulted in substantial plant length and branch number increase particularly by 300 mg.l -1 which exceeded the untreated check by 23.68% and 15.79 % respectively. The dual interaction between the Mo and Fe concentration show significantly effect on plant length as shown Table (1): Effect of Mo and Fe in some characteristics of Nigella damacena. Mo concentration (mg.l -1 ) Fe concentration (mg.l -1 ) 0 100 200 300 0 26.33b 30.00b 43.67a 44.00a 36.00b 100 43.67a 49.67a 47.33a 49.00a 47.42a 200 44.00a 43.33a 47.33a 48.00a 45.67a Fe effect 38.00b 41.00b 46.11a 47.00a 0 13.00e 17.00de 20.33cd 21.33b-d 17.92b 100 25.00a-c 25.67ab 24.67a-c 26.33ab 25.42a 200 25.33ab 24.33a-c 26.67a 25.67ab 25.50a Fe effect 21.11b 22.33ab 23.89a 24.44a 0 15.80e 18.40de 22.60c-e 25.50b-d 20.58b 100 28.63a-c 28.20bc 34.77ab 31.33a-c 30.73a 200 30.13a-c 28.10bc 37.87a 30.20a-c 31.58a Fe effect 24.86b 24.90b 31.74a 29.01ab Means with same letter for each factor and interaction are not significantly different at 5% level based on Duncan's Multiple Rang Test. Mo Effect
J. Duhok Univ. Vol.13, No.1, (Agri. And Vet. Sciences) Pp 171-175, 2010 in the same table and the means value arranged between (43.33 - 49.67) cm except 0, 0 (control) and 0, 100 mg.l -1 which give (26.33, 30.00) cm respectively. Also the interaction 200, 200 mg.l-1 for the two factors give the highest brunch number with increasing percentage (105.13) % than the control treatment. Identically the dual interaction for dry weight increased significantly for the same interaction by (139.66) % than control treatment. 2- The Effects of Mo and Fe in fruit number, seed production, 100 seed weight, and seed number per fruit. Data in table (2) showed that fruit number, seed weight per plant, 100 seed weight are affected significantly by Mo, the 100 mg.l -1 concentration is the superior treatment it give more percentage of 100 seed weight when compared with control and 200 mg.l -1 treatment (7.62, 8.51)% respectively. The highest increase in fruits number and seed weight per plant were found in plants that sprayed with 200 mg.l -1 of gm gm Characters Fruit number / plant Seed weight / plant (gm) 100 seeds weight (gm) Seed number / fruit Mo it arrive (37.75, 38.20) % than control respectively, the 100 mg.l -1 is the superior treatment it give the highest 100 seed weight (0.221)gm which significantly superior than other, while Seed number that cannot affected significantly with this factor. Although the Fe has no effect on 100 seeds weight, and seed number per fruit as shown in table (2) it has significantly effected in fruit number at 100 and 200 mg.l -1 (43.3, 44.4) when compared with control and 300 mg.l -1 respectively, also seed weight per plant when spread with all concentration when compared with control, The dual interaction between the Mo and Fe show significantly effect on most of characteristics as in table (2) and the highest percentage of seeds weight increases arrive 107.47% more than control for 200, 100 mg.l -1 of Mo and Fe interaction, were as the 100 seeds weight cannot effected by this interactions, the seed number per fruit have the heights dual effect in 200, 0 mg.l -1 treatment it arrive (77.88) % than control. Table (2): Effect of Mo and Fe in some characters of Nigella damacena. Mo concentration (mg.l -1 ) Fe concentration (mg.l -1 ) 0 100 200 300 0 30.0e 35.7c-e 35.0c-e 34.3c-e 33.8c 100 33.3de 41.0b-d 43.7b 40.7b-d 39.7b 200 35.3c-e 53.3a 54.7a 42.0bc 46.3a Fe effect 32.9c 43.3a 44.4a 39.0b 0 1.128e 1.600cd 1.702cd 1.600cd 1.508c 100 1.397de 1.878bc 1.951a-c 1.970a-c 1.799b 200 2.190ab 2.341a 2.150ab 1.660cd 2.085a Fe effect 1.572b 1.940a 1.934a 1.743ab 0 0.215a 0.196a 0.198a 0.212a 0.205b 100 0.228a 0.213a 0.222a 0.221a 0.221a 200 0.215a 0.204a 0.196a 0.199a 0.204b Fe effect 0.220a 0.204a 0.205a 0.211a 0 16.74b 23.62ab 24.63ab 20.79b 21.45a 100 18.63b 21.74b 20.21b 21.50b 20.52a 200 29.77a 24.40ab 20.19b 20.20b 23.64a Fe effect 21.71a 23.25a 21.68a 20.83a Means with same letter for each factor and interaction are not significantly different at 5% level based on Duncan's Multiple Rang Test. Mo Effect 171
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The Influence Of Priming Two Cucumber Cultivar Seeds

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