Chitosan is a natural biopolymer formed from chitins that considered as aneffectivebioregulator and elicitor in agriculture. Therefore, this investigation was done to study the effect of chitosan and chitosan nanoparticles (0 and 50 mg/l) on alleviating the adverse effect of drought stress on Lupine termisL plant. Lowering water irrigation requirement from 100%to 60%,significantly reduced different growth criteria, photosynthetic pigments, indole acetic acid (IAA), yield and itscomponents in addition to carbohydrate, protein and oil contents of the yielded seeds of lupine plant. On the other hand, drought stress significantly increasedtotal soluble sugars (TSS), proline and free amino acids of lupine plants, in addition to phenolic and flavonoids contents of the yielded seeds. On the other hand, pre sowing treatment with (50 mg/l) Chito or Chito NPs could increase significantly growth parameters, yield quantity and quality of lupine plant viaimprovingphotosynthetic pigments, IAA, TSS, proline, free amino acid contentscomparing with their corresponding controls.However,Chito NPs was more effective than Chito.Finally it could be concluded that, the promotive role of chitosan in improving tolerance of lupine to droughtstress and improve growth and yield through improving different studied biochemical processes.
CITATION STYLE
Bakhoum, G. S., Sadak, M. S., & Tawfik, M. M. (2022). Chitosan And Chitosan Nanoparticle Effect On Growth, Productivity And Some Biochemical Aspects Of Lupinustermis L Plant Under Drought Conditions. Egyptian Journal of Chemistry, 65(5), 537–549. https://doi.org/10.21608/ejchem.2021.97832.4563
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