Abdolhamid Hajebi; Mohammadamin Soltanipoor
Volume 28, Issue 2 , June 2021, , Pages 308-316
Abstract
Taverniera cuneifolia is one of the most important palatable rangeland species in Hormozgan province that unprincipled and excessive exploitation has destroyed the natural habitats of this valuable species. Only careful planning and crop cultivation and observing the rotation frequency and promoting ...
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Taverniera cuneifolia is one of the most important palatable rangeland species in Hormozgan province that unprincipled and excessive exploitation has destroyed the natural habitats of this valuable species. Only careful planning and crop cultivation and observing the rotation frequency and promoting plant cultivation in the habitat can be an effective step to maintain the survival of this species. In this study, Taverniera seeds were collected from two habitats (Geno and Tezerj) and pre-emergence treatments were soaking in sulfuric acid for 15 minutes, soaking in sulfuric acid for 30 minutes, soaking in warm water (70 °C) for one hour, soaking in gibberellic acid solution at a concentration of 1000 mg/l for 24 hours, scarification with sand, soaking in a potassium nitrate solution at a concentration of 0.1 molar for 24 hours, soaking in normal water for 24 hours and control. According to the results, all treatments had a higher germination percentage than the control. Meanwhile, treatments placed in sulfuric acid for 15 and 30 minutes caused 100% seed germination and were superior to other treatments. Sulfuric acid treatment for 15 minutes had the highest germination rate, and sulfuric acid treatment for 30 minutes had the highest radicle and plumule length.
Maryam Makkizadeh Tafti; Ruzbeh Farhoudi; Mohammad Rastifar; Kamal Asilan
Volume 18, Issue 4 , September 2012, , Pages 569-577
Abstract
This study was conducted to study the effect of seed dormancy breaking on seed germination of Caper (Capparis spinosa L.), in a completely randomized design with four replications. Treatments of seed dormancy breaking in Caper included: untreated seeds (control), scarification with concentrated sulphuric ...
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This study was conducted to study the effect of seed dormancy breaking on seed germination of Caper (Capparis spinosa L.), in a completely randomized design with four replications. Treatments of seed dormancy breaking in Caper included: untreated seeds (control), scarification with concentrated sulphuric acid for 20 minutes, soaking in gibberellic acid (500 and 1000 ppm), Potassium Nitrate (0.3%), leaching for 12 hours and combined treatment (leaching for 12 hours and soaking in gibberellic acid (500 and 1000 ppm), leaching for 12 hours and soaking in Potassium Nitrate and scarification with sulphuric acid and soaking in gibberellic acid (500 and 1000 ppm). The results showed significant differences among seed dormancy-breaking methods. According to the results, the highest seed germination percentage of caper was observed in combined treatment (leaching for 12 hours and soaking in gibberellic acid 1000 ppm (98%) and leaching for 12 hours and soaking in gibberellic acid 500 ppm (75%). Our results showed that the treatment of seed leaching for 12 hours reduced the formation of mucilage around the seed and caused an increase in seed germination. Moreover, application of gibberellic acid or Potassium Nitrate could be just useful when the mucilage concentration of the seed coat is reduced by leaching.