Abstract
In order to study the germination characteristics of dodder (Cuscuta campestris) under drought and salinity stress conditions, two laboratory's experiment were conducted. Experiments were conducted in completely randomized design with 4 replications. The treatments, for salinity and drought stress were six potential levels (0,-3, -6, -9, -12 and -15 bar) of NaCl and five potential levels (0, -3, -6, -9 and -12 bar) of PEG 6000 respectively. Results showed that increasing drought and salinity stress significantly germination rate and germination percentage, plumule and radicle length, plumule of Dodder and its radicle fresh weight decreased. However ratio of radicle to plumule and root to shoot were increased (P≤0.01). It seems that among the characters, plumule length is more sensitive to drought and salinity stresses. In addition, germination of dodder was tolernt to drought stress more than salinity stresses.
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