New Insights into the Propagation Methods of Switchgrass, Miscanthus and Giant Reed

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• 作者：Danilo Scordia ; Federica Zanetti ; Szilard Sandor Varga…
• 关键词：Crop establishment ; Biomass production ; Perennial grasses ; Miscanthus x giganteus ; Arundo donax ; Panicum virgatum
• 刊名：BioEnergy Research
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：8
• 期：4
• 页码：1480-1491
• 全文大小：804 KB
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  12.Cavallaro V, Patanè C, Cosentino SL, Di Silvestro I, Copani V (2014) Optimizing in vitro large scale production of giant reed (Arundo donax L.) by liquid medium culture. Biomass Bioenergy 69:21-7CrossRef
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• 作者单位：Danilo Scordia (1)
  Federica Zanetti (2)
  Szilard Sandor Varga (3)
  Efthymia Alexopoulou (4)
  Valeria Cavallaro (5)
  Andrea Monti (2)
  Venera Copani (1)
  Salvatore L. Cosentino (1)
  
  1. Dipartimento di Agricoltura, Alimentazione e Ambiente -Di3A, University of Catania, Via Valdisavoia 5, 95123, Catania, Italy
  2. Department of Agricultural Sciences, University of Bologna, Viale Giuseppe Fanin 44, 40127, Bologna, Italy
  3. Primus Ltd., Hatvani utca 25, H-1201, Budapest, Hungary
  4. CRES -Center for Renewable Energy Sources and Saving, 19th Km Marathonos Avenue, 19009, Pikermi Attikis, Greece
  5. CNR- IVALSA, UOS di Catania, Via P. Gaifami 18, 95126, Catania, Italy
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Biomaterials
  Biochemical Engineering
  Bioorganic Chemistry
  
• 出版者：Springer New York
• ISSN：1939-1242

文摘

A general obstacle to the development of perennial grasses is the relatively high cost of propagation and planting. The objective of the present study was to investigate new propagation and planting methods of giant reed (Arundo donax L.), miscanthus (Miscanthus x giganteus Greef et Deuter) and switchgrass (Panicum virgatum L.). Field and open-air pot trials were carried out in four different locations across Europe: hydro-seeding of switchgrass was tested in field trials at the experimental farm of the University of Bologna, Italy; stem propagation and bud activation methods of miscanthus were evaluated in field experiments in Péteri, Hungary; giant reed rhizome and stem propagations were compared in a field trial in Aliartos, Greece; finally, an open-air pot trial was carried out in Catania, Italy, using single-node stem cuttings of giant reed. Hydro-seeding emerged as a feasible and promising technique for switchgrass to ensure prompt seed emergence and weed control during plant establishment. Direct stem plantings of miscanthus were successful, and activated stem-buds were able to sprout in field conditions; however, timely stem transplant was determinant for shoot density and biomass yield. In giant reed, rhizome propagation showed a higher stem density and biomass yield than stem propagation; however, the yield gap was not significant from the second year onwards. Single-node rooting was mainly driven by air temperature. Nodes from basal stems showed higher rooting rates than median and apical ones. Growth regulator pretreatments enhanced rooting rate only at transplanting times under suboptimal air temperatures. In general, these experiments provided insights into propagation strategies aimed at enhancing the establishment phase of perennial grasses. Keywords Crop establishment Biomass production Perennial grasses Miscanthus x giganteus Arundo donax Panicum virgatum