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EFFECT OF PLANT GROWTH REGULATURS ON SOME VEGETATIVE CHARACTERS OF BLACK SEED. | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 41, Issue 2, 2010, Pages 80-88 | ||
| Authors | ||
| Basher A. Abraheem; Shrook . M K; ; Saad Al; Hattam J. Ateah | ||
| Abstract | ||
| A field experiment was conducted using a randomized complete block design with a spilt plot arrangement with three replicates.the planting population of black seed was 200000 /ha. This was estimate the effect of plant growth regulators(PGRs) on vegetative growth of black seed during 2003/2004at the experimental farm of Dept of Field Crop Science, College of Agriculture. The PGRs were coconut milk ,gibberillin and ethephon with concentrations of 100000 µl/l, 100 µg /g and 1000 µl/l ,respectively as well as the control (water) .Coconut milk and gibberllin gave highest plant height of 65.2 and 64.9 cm ,respectively .Coconut milk was superior in stem diameter ( 4.17 mm), while ethephon and gibberillin had highest secondary branches no./plant of 19.36 and 19.31 branch .A highest stem weight was effected by coconut milk and gibberillin ( 4.76 and 4.71 g, respectively). Biological yield was increased with coconut milk (18.54 g). Root weight increased with the PGRs of for gibberllin ,coconut and ethephon to give 7.40 ,7.33 and 7.17 g/plant ,respectively .Coconut milk was superio in vegetative system dry weight /root system weight f.63 | ||
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