Morphological traits of Dragon’s head (Lallemantia iberica Fish. et Mey.) affected by drought stress and plant density
Journal Title: International Journal of Farming and Allied Sciences - Year 2013, Vol 2, Issue 24
Abstract
In order to investigate the effect of different irrigation treatments and plant density on morphological traits of Dragon’s head (Lallemantia iberica Fish. et Mey.), an experiment was carried out as split block based on randomized complete block design with four replications. Irrigation treatments (I1, I2, I3, I4 and I5: irrigation after 70, 100, 130, 160 and 190 mm evaporation from class A pan, respectively) were assigned to main plots and four plant density levels (D1, D2, D3 and D4: 200, 300, 400, 500 plant/m2) were allocated to the sub plots. Plant height, number of lateral stem, capsule per node, leaf number in main branch, lateral steam length, node per plant, stem diameter and grain yield were recorded. Results showed that irrigation intervals had significant effects on all of the characteristics. Superior effects of irrigation on these traits were achieved in Irrigation after 70 mm evaporation (I1) treatments. In addition, regarding to the interaction effects between irrigation treatments and plant density, highest amount of leaf number, stem diameter, node number per plant and lateral stem length were recorded at I1D1 treatments, but difference between I1 and I2 treatments was not significant. According to the results obtained, irrigation after 100 mm evaporation from class a pan and density of 400 plant/m2 is the best combination for Dragon’s head grain production.
Authors and Affiliations
Parisa Aghaei-Gharachorlou, Safar Nasrollahzadeh* and Jalil Shafagh-Kolvanagh
Keywords
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