List of Articles Phenological Stages

• Open Access Article
  • Abstract Page
  • Full-Text
  
  1 - Total phenol, flavonoid contents and antioxidant activity of Gundelia tournefortii L. in different phenological stage and habitats of North East of khozestan province
  Lila Khalasi Ahwazi gholm Alh Heshmati Parzhak Zofan Mousa Akbarlou
  Gundelia tournefortii L. is an endemic valuable forag - medicinal plants, belongs to Asteraceae family.  This study was evaluated to total phenol, flavonoide content and antioxidant activity of  Gundelia tournefortii  L. in different stages of growth from More

  Gundelia tournefortii L. is an endemic valuable forag - medicinal plants, belongs to Asteraceae family.  This study was evaluated to total phenol, flavonoide content and antioxidant activity of  Gundelia tournefortii  L. in different stages of growth from four habitats  in north east of Khozestan province (900 m). The aerial parts of plant were collected from 4 natural habitats (Dare-Khorson, Shahzade Ahmad1, Shahzade Ahmad2 and Dehdez) in three stages: vegetative, flowering and seed dispersal. Total phenol (TP) and total flavonoids (TF) of methanol extracts were measured by spectrophotometry and antioxidant activity by scavenging free radicals of DPPH and then were analyzed based on multivariate variance (MANOVA). Results were showed that in all habitats, plant parts and phenological stages of plant had significant effect on antioxidant activity, total phenol and flavonoid contents of plant in 99 percent (P<0.01). The maximum amount of TP (56.9), TF (7.03 ) and antioxidant activity (0.19 ) were reported in Dare-Khorson region. Also in all regions the plant extract in blooming had higher content of TP, TF and antioxidant activity. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  2 - Forage Quality of Salsola turcomanica (Litv) in Semi-arid Region of Gomishan, Golestan Province, Iran
  Armin Arrekhi Hamid Niknahad Gharmakher Johann Bachinger Ralf Bloch Johannes Hufnagel
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  3 - Impact of Sowing Date on Growth, Phenology and Yield of Three Ecotypes of Astragalus cyclophyllon G. Beek in Semirom Rangelands, Iran
  Masoud Esmaeili Sharif Amir Hooshang Jalali Roja shabahang
  10.30495/rs.2023.686392
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  4 - Required Growing Degree-Days (GDDs) for each Phenological Stage of Fritillaria imperialis
  Elahe Zafarian Ataollah Ebrahimi Ali Abbasi Esmaeel Asadi
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  5 - Forage Quality of Calligonum comosum in Three Phenological Growth Stages (Case study: Kashan Rangelands, Iran)
  Reza Dehghani Bidgoli
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  6 - Effects of Phenological Stages on Yield and Quality Traits in 22 Populations of Tall Wheatgrass Agropyron elongatum Grown in Lorestan, Iran
  A. A. Jafari H. Anvari H. Nakhjavan E. Rahmani
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  7 - Variations of Water Soluble Carbohydrate in Plant Organs of Bromus tomentellus and Festuca ovina in Three Phenological Stages
  Hoseyn Arzani Mehdi Zohdi Ghavam Aldin Zahedi Raziyeh Shahbandari Roja Safaian
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  8 - Variations in Forage Quality of Two Halophyte Species, Camphorosma monspeliaca and Limonium iranicum at Three Phenological Stages
  Abbas Ahmadi Masoud Gomarian Mojdeh Sanjari
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  9 - Investigation of Forage Quality of Vetiveria zizanioides in Semi-Steppe Region of Maravehtappeh, Golestan Province, Iran
  Masoumeh Ahmadi Beni Hamid Niknahad Gharmakher Mojgan Sadat Azimi Mashad Gholi Maramaei
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  10 - Chemical Composition and In Vitro Digestibility of Some Range Species in Rangelands of Chaharmahal and Bakhtiari Province, Iran
  Gholamreza Shadnoush
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  11 - Nutritional values of Halocnemum strobilaceum (Pall.) M. Bieb. and Halostachys caspica (Pall.) C. A. Meyer in different phenological stages (Case study: north-western rangelands of Golestan province)
  Majid Sharifi-Rad غلامعلی حشمتی محمد باقر باقریه نجار
  This research was performed to determine the nutritional values of Halocnemum strobilaceum and Halostachys caspica and study the effects of different phenological stages (vegetative, flowering, seeding) on the chemical composition in these species. The results showed th More

  This research was performed to determine the nutritional values of Halocnemum strobilaceum and Halostachys caspica and study the effects of different phenological stages (vegetative, flowering, seeding) on the chemical composition in these species. The results showed that crude protein, ADF, NDF, DDM, ash, EE, ME, DMI, RFV, sodium, potassium, magnesium, calcium, phosphorus, copper, zinc, iron and manganese were different significantly in different phenological stages (p<0.05). With the growth progress, ADF and NDF increased but crude protein, DDM, DMI, ME and RFV decreased significantly in both species (P<0.05). Results showed that H. caspica had better quality than H. Strobilaceum (RFV: H. caspica> H. strobilaceum). The content of sodium, potassium, magnesium, calcium, copper, iron, manganese measured at different growth stages, were more than critical level for ruminants.; however, the content of phosphorus and zinc were less than critical level. Generally, mineral elements of two species are provided all elements livestock needs, except zinc and phosphorus. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  12 - Investigation on forage quality changes of Gymnocarpus decander in different phenological stages in Hormozgan province (Case Study: Rudan)
  Mohammad Amin Naseri Bazyari Mohammad Pichand Kian Najafi-Tireh-Shabankareh
  Determining the forage quality is one of the main factors required for proper, systematic and comprehensive management of rangelands. This research carried out to investigate forage quality of Gymnocarpus decander in the region of Rudan, at three phenological stages (ve More

  Determining the forage quality is one of the main factors required for proper, systematic and comprehensive management of rangelands. This research carried out to investigate forage quality of Gymnocarpus decander in the region of Rudan, at three phenological stages (vegetative, flowering and seed ripening). At each stage, 3 replications and in each replication 3 plants selected randomly, and sampled from the aerial shoots. Then, samples were analyzed to determine the quality traits including crude protein (CP), Acid detergent fiber (ADF), Natural detergent fiber (NDF), dry matter digestibility (DMD), metabolic energy (ME), water soluble carbohydrate (WSC), Ash Stands, Ether Extract (EE) phosphorus (P) and Calcium (Ca). The data were analyzed with SPSS statistical software and mean comparisons were performed using Duncan's multiple range test. The Results showed that the forage quality in this species decreased with growth stages increasing. crude protein was the lowest in seeding stage and there was significant between vegetative growth and flowering stages. Metabolizable energy in flowering stage were more than both other stages. Vegetative growth and flowering stages has more quality than seeding stage and forage quality in seeding stage the best time of grazing be considered. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  13 - Effect of Planting Date and Zinc Sulfate on Phenology, Growth Indices and Grain Yield of Lallemantiaiberica (M.B.) Fischer & Meyer
  Mina  Rostami Farid  Shekari Kamran  Afsahi Majid  Khiyavi
  The production of oilseeds, edible leaves, and secondary metabolites of dragon's head makes it an important food, forage, and medicinal plant. Choosing a proper planting date and plant nutrition can make a significant effecton crop plantsgrowth, quality and yield.The ef More

  The production of oilseeds, edible leaves, and secondary metabolites of dragon's head makes it an important food, forage, and medicinal plant. Choosing a proper planting date and plant nutrition can make a significant effecton crop plantsgrowth, quality and yield.The effects of planting date (16 March, 14 April, and 13 May 2019) and foliar application of zinc sulfate (zero as control, 2 and 4 g.L-1) on growth indices and seed yield of dragon's head was evaluated under a field experiment.Delayed planting date reduced the days to flowering, days to seed ripening, plant height, leaf area index (LAI), crop growth rate (CGR), relative growth rate (RGR) and grain yield, and yield components.In contrast, the use of zinc sulfate increased plant height, LAI, CGR and RGR. There was a correlation between plant height and number of branches and consequently there were more capsules per plant.The highest effect of zinc sulfate application on seed yield and yield components was observed in the first planting date and with delay in planting, the efficiency of zinc sulfate fertilizer application decreased. On the third planting date, zinc sulfate application had no significant effect on grain yield. As a result of late planting, fewer branches, fewer capsules per plant, and smaller seeds contributed to the yield reduction.It was found that early cultivation and application of zinc sulfate increased plant height, number of branches, number of capsules per plant, 1000-seed weight, and thus seed yield, by increasing the days to flowering, days to ripening, LAI, CGR, and RGR. Manuscript profile