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Information Journal Paper

Title

EFFECT OF THERMAL PERIOD ON SEED DORMANCY OF DAMASK ROSE (ROSA DAMASCENA MILL.)

Pages

  55-59

Abstract

 Damask rose (ROSA DAMASCENA MILL.) has high economic importance and commercial value. The plant essential oil is used for perfumery, food and medicinal industries. It is necessary to know much about seed GERMINATION for study of genetic variation and breeding improved varieties of R. damascena. In this study seed GERMINATION of R. damascena were evaluated, using THERMAL PERIOD treatments. The data were analyzed based on the Randomized Completely Design with 3 replications. Seeds were sterilized for elimination with NaOCl. Seeds of R. damascena were subjected to five different temperature regimes. For control, the seeds were placed at 4oC continuously. The seeds of all other treatments initially were placed at 25oC for the first warm stratification. Then they were placed at 4oC for 2, 4, 6 and 8 weeks for cold stratification as 2w/2w, 2w/4w, 2w/6w and 2w/8w, respectively. For the second cycle, seeds were placed at 20oC for warm stratification followed by 2, 4, 6 and 8 weeks for cold stratification. The treatments were repeated for 3 cycles. Then the all of treatments were applied 30 weeks of continuously cold stratification at 4oC. The results of this study showed that the THERMAL PERIOD treatments had significantly promoted the GERMINATION percentage. The highest GERMINATION percentage and speed of GERMINATION were obtained for the 6w/2w treatment as (92%) and (1.17 seeds per day), respectively. The lowest GERMINATION percentage was found in the control and 8w/2w treatments (50%). In conclusion, it was observed that with application of THERMAL PERIOD (particularly 6w/2w) and 30 weeks of cold stratification to DAMASK ROSE seeds, dormancy was broken and GERMINATION was also highly improved.

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    APA: Copy

    ABRAVESH, ZAHRA, ASSAREH, MOHAMMAD HASSAN, & TABAEI AGHDAEI, SEYED REZA. (2012). EFFECT OF THERMAL PERIOD ON SEED DORMANCY OF DAMASK ROSE (ROSA DAMASCENA MILL.). JOURNAL OF MEDICINAL PLANTS AND BY PRODUCTS, 1(1), 55-59. SID. https://sid.ir/paper/331402/en

    Vancouver: Copy

    ABRAVESH ZAHRA, ASSAREH MOHAMMAD HASSAN, TABAEI AGHDAEI SEYED REZA. EFFECT OF THERMAL PERIOD ON SEED DORMANCY OF DAMASK ROSE (ROSA DAMASCENA MILL.). JOURNAL OF MEDICINAL PLANTS AND BY PRODUCTS[Internet]. 2012;1(1):55-59. Available from: https://sid.ir/paper/331402/en

    IEEE: Copy

    ZAHRA ABRAVESH, MOHAMMAD HASSAN ASSAREH, and SEYED REZA TABAEI AGHDAEI, “EFFECT OF THERMAL PERIOD ON SEED DORMANCY OF DAMASK ROSE (ROSA DAMASCENA MILL.),” JOURNAL OF MEDICINAL PLANTS AND BY PRODUCTS, vol. 1, no. 1, pp. 55–59, 2012, [Online]. Available: https://sid.ir/paper/331402/en

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