The Influence Of Priming Two Cucumber Cultivar Seeds

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J. Duhok Univ. Vol.13, No.1, (Agri. And Vet. Sciences) Pp 122-130, 2010 235 Fig. (2): Effect of different concentrations of BA and IAA on the average shoots length / eggplant at initiation stage. Fig. (3): Effect of different concentrations of BA and IAA on the average leaves number / shoot of eggplant at initiation stage. When the stem explants of tomato seedlings obtained form in vitro grown seedlings were cultured on hormone free MS medium, shoots were induced after one week which increased in length greatly and produced callus after 4 weeks in culture, roots were developed after 3 weeks and exhibited high growth. Tomato stem explants cultured on MS media supplemented with 2.0 or 4.0 mgl -1 BA initiated shoots after two weeks, exhibited slow growth rate and from lower surface of explants callus was developed which was yellow in colour. <strong>The</strong> highest average of shoot number, shoot length and leaves per shoot were observed in explants cultured in hormone free MS media. (Fig 4, 5, 6).
J. Duhok Univ. Vol.13, No.1, (Agri. And Vet. Sciences) Pp 122-130, 2010 Fig. (4): Effect of different concentrations of BA on the average shoot number / explant of tomato at initiation stage. Fig. (5): Effect of different concentrations of BA on the average shoot length / cm of tomato at initiation stage. Fig. (6): Effect of different concentrations of BA on the average leaves number / explant of tomato at initiation stage. In regard to multiplication, stem explants of eggplants cultured in hormone free MS medium, produced shoots after three weeks, while stem explants cultured in MS medium combined with BA , shoots were included after 12 days , the highest average shoot and leaves number was observed in stem explants cultured in MS medium supplemented with 5.0 mgl -1 BA whereas the lowest average number of shoots was recorded in nodal explants cultured in hormone free MS medium (Fig .7) and (Fig .9). 236
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The Influence Of Priming Two Cucumber Cultivar Seeds

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