Effect of plant population on calendula (Calendula officinalis L.) flower production

References

• Abdalla , N. M. , El‐Gengaihi , S. and Sadrak , I. 1986 . A study on the influence of Cycocel and Alar 85 on growth, flowering and active ingredients of Calendula officinalis L . Acta Agronomica Hungarica , 35 : 41 – 45 .
   Google Scholar
• Akihisa , T. , Yasukawa , K. , Oinuma , H. , Kasahara , Y. , Yamanouchi , S. , Takido , M. , Kumaki , K. and Tamura , T. 1996 . Triterpene alcohols from the flowers of Compositae and their anti‐inflammatory effects . Phytochemistry , 43 : 1255 – 1260 .
   PubMed Web of Science ®Google Scholar
• Angelini , L. G. , Moscheni , E. , Colonna , G. , Belloni , P. and Bonari , E. 1997 . Variation in agronomic characteristics and seed oil composition of new oilseed crops in central Italy . Industrial Crops and Products , 6 : 313 – 323 .
   Web of Science ®Google Scholar
• Baranyk , P. , Zeleny , V. , Zukalova , H. and Horejs , P. 1995 . Oil content of some species of alternative oil plants . Rostlinna Vyroba , 41 : 433 – 438 .
   Google Scholar
• Barman , D. and Pal , P. 1994 . Effect of nitrogen and phosphorus on seed yield in calendula {Calendula officinalis L.) . Orissa Journal of Agricultural Research , 7 : 17 – 21 .
   Google Scholar
• Bilsland , D. M. and Berlage , A. G. 1986 . A filament thresher for seed , American Society of Agricultural Engineers Paper 86–3061 9
   Google Scholar
• Bisset , N. J. 1994 . Herbal drugs andphytopharmaceuticals , 566 Ann Arbor, London and Tokyo : Medpharm, Stuttgart and CRC, Bota Raton .
   Google Scholar
• Breemhaar , H. G. and Bouman , A. 1995 . Harvesting and cleaning Calendula officinalis, a new arable oilseed crop for industrial application . Industrial Crops and Products , 4 : 255 – 260 .
   Google Scholar
• Cromack , H. T. H. and Smith , J. M. 1998 . Calendula officinalis—production potential and crop agronomy in southern England . Industrial Crops and Products , 7 : 223 – 229 .
   Web of Science ®Google Scholar
• Delia Loggia , R. , Tubaro , A. , Sosa , S. , Becker , H. , Saar , St. and Isaac , O. 1994 . The role of triterpenoids in the topical anti‐inflammatory activity of Calendula officinalis flowers . Planta Medica , 60 : 516 – 520 .
   Google Scholar
• Genstat 5 Committee . 1993 . Genstat 5 Release 3 Reference Manual , 796 Oxford : Oxford University Press .
   Google Scholar
• Khodzhaeva , M. A. and Turakhozhaev , M. T. 1993 . Carbohydrates of Calendula officinalis . Chemistry of Natural Compounds , 29 : 533 – 534 .
   Google Scholar
• Lamont , G. and O'Connell , M. A. 1986 . An evaluation of pre‐emergent herbicides in field grown cut flowers . Plant Protection Quarterly , 1 : 95 – 100 .
   Google Scholar
• Martin , R. J. , Jamieson , P. D. , Wilson , D. R. and Francis , G. S. 1992 . Effects of soil moisture deficits on the yield and quality of ‘Russet Burbank’ potatoes . New Zealand Journal of Crop and Horticultural Science , 20 : 1 – 9 .
   Web of Science ®Google Scholar
• Meier zu Beerentrup , H. and Robbelen , G. 1987 . Calendula and coriandrum—new potential oilcrops for industrial uses . Zeitschrift für Fett Wissenschaft und Technologie der Fette, Öle und Wachse , 89 : 227 – 230 .
   Web of Science ®Google Scholar
• Muuse , B. G. , Cuperus , F. P. and Derksen , J. T. P. 1992 . Composition and physical properties of oils from new oilseed crops . Industrial Crops and Products , 1 : 57 – 65 .
   Google Scholar
• New Zealand Soil Bureau . 1968 . General survey of the soils of the South Island , New Zealand Soil Bureau Bulletin No. 27. 404
   Google Scholar
• Nordestgaard , A. 1988 . Trials with calendulas for seed production . Tidsskrift for Planteavl , 92 : 213 – 215 .
   Google Scholar
• Pal , P. , Hore , J. and Poi , A. K. 1986 . Effect of growth regulating chemicals on growth and yield of flowers of Calendula officinalis . Environment and Ecology , 4 : 541 – 543 .
   Google Scholar
• Pank , F. and Ennet , D. 1988 . Chemical weed control in medicinal plant crops. Part 10: marigold (Calendula officinalis L.) . Pharmazie , 43 : 503 – 506 .
   Google Scholar
• Patrick , K. F. M. , Kumar , S. , Edwardson , P. A. D. and Hutchinson , J. J. 1996 . Induction of vasculariza‐tion by an aqueous extract of the flowers of Calendula officinalis L., the European marigold . Phytomedicine , 3 : 11 – 18 .
   Google Scholar
• Piccaglia , R. , Marotti , M. , Chiavari , G. and Gandini , N. 1997 . Effects of harvesting date and climate on the flavonoid and carotenoid contents of marigold (Calendula officinalis L.) . Flavour and Fragrance Journal , 12 : 85 – 90 .
   Google Scholar
• Theobald , D. and Röbbelen , G. 1989 . Flowering biology and fruit formation of Calendula officinalis as a basis for continued breeding success . Angewandte Botanik , 63 : 313 – 322 .
   Google Scholar
• Van der Mheen , H. J. 1993 . Research on herb cultivation for flower production , Publikatie Proefstation voor de Akkerbouw en de Groenteteelt in de Vollegrond, Lelystad No. 70A 154 – 156 .
   Google Scholar
• Van Dijk , N. and Borm , G. E. L. 1992 . Crop management research on Calendula officinalis (marigold) in 1992 , Publikatie Proefstation voor de Akkerbouw en de Groenteteelt in de Vollegrond, Lelystad No. 73A 108 – 109 .
   Google Scholar
• Zhukova , L. A. , Voskresneskaya , O. L. and Grosheva , N. P. 1996 . Morphological and physiological characteristics of ontogenesis in pot marigold (Calendula officinalis L.) plants grown at different densities . Russian Journal of Ecology , 27 : 100 – 106 .
   Google Scholar