University of Guilan Iranian Journal of Seed Sciences and Research 2476-3780 2 1 2015 03 21 Investigation of germination ratio and speed of twelve medicinal plants under salinity stress Investigation of germination ratio and speed of twelve medicinal plants under salinity stress 27 36 1330 FA Mehrab Yadegari Journal Article 2014 07 02 An invitro experiment with four replications by Randomized Complete Design, was performed in Laboratory to compare the response of seeds of medicinal plants to salinity. Plantago spL., Alyssumspp,Portulaca oleracea, Sesamum indicum, Origanum majorana, Trigonella foenum,Anethum graveolens,Melilotus officinalis,Trachyspermum ammi,Cuminum cyminum, Lactuca sativa and Lallemantia royleana were conducted during 2010. In each Petri (Replication) 100 seed were cultivated. The treatments were 0,25,50,75,100,150, 200,250,300,350,400 and 450 ds/m NaCl. When water of Petri dish, relatively evaporated, the irrigation was conducted in field capacity. Results showed that plants of PlantagospL., Lallemantia royleana andAnethum graveolens were tolerate up to 100ds/m, Cuminum cyminum, Origanum majoran, Melilotus officinalis and Trachyspermum ammi were tolerate up to 200ds/m, Lactuca sativa and Sesamum indicum were tolerate up to 250ds/m and ofPortulaca oleracea, Alyssumspp and Trigonella foenum were tolerate up to 450ds/m. Increase of concentration of NaCl results that germinated seeds and biomass of them, were decrease. Portulaca oleracea, Alyssumspp and Trigonella foenum in many places were the most tolerance. An invitro experiment with four replications by Randomized Complete Design, was performed in Laboratory to compare the response of seeds of medicinal plants to salinity. Plantago spL., Alyssumspp,Portulaca oleracea, Sesamum indicum, Origanum majorana, Trigonella foenum,Anethum graveolens,Melilotus officinalis,Trachyspermum ammi,Cuminum cyminum, Lactuca sativa and Lallemantia royleana were conducted during 2010. In each Petri (Replication) 100 seed were cultivated. The treatments were 0,25,50,75,100,150, 200,250,300,350,400 and 450 ds/m NaCl. When water of Petri dish, relatively evaporated, the irrigation was conducted in field capacity. Results showed that plants of PlantagospL., Lallemantia royleana andAnethum graveolens were tolerate up to 100ds/m, Cuminum cyminum, Origanum majoran, Melilotus officinalis and Trachyspermum ammi were tolerate up to 200ds/m, Lactuca sativa and Sesamum indicum were tolerate up to 250ds/m and ofPortulaca oleracea, Alyssumspp and Trigonella foenum were tolerate up to 450ds/m. Increase of concentration of NaCl results that germinated seeds and biomass of them, were decrease. Portulaca oleracea, Alyssumspp and Trigonella foenum in many places were the most tolerance.

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