the fascinating world biostimulants · 2020. 5. 19. · biostimulants eight categories (calvoet al....
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The Fascinating Worldof
Biostimulants
Jean W. H. Yong (“John” 杨远方)
Hortikulturell produktionsfysiologi (HPF), Institutionen för biosystem och teknologi
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Circular Economy
The Fascinating Worldof
Biostimulantsor
Biologicals
Jean W. H. Yong (“John” 杨远方)
Hortikulturell produktionsfysiologi (HPF), Institutionen för biosystem och teknologi
Cytokinins细胞分裂素
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Traditional, Organic/Green Fertilizers
• Composts, Vermi-compost (earthworms)• Liquid/pellet microbial applications• Humo-organic
BiostimulantsPlant biostimulants are diverse substances andmicroorganisms used to enhance plant growth.
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Van Ittersum & Rabbinge (1997) Field Crops Research
Yield gap: how to close it?
Prof. Van Ittersum – Biostimulant World Congress (2019) address
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Pozo et al. 2015 (New Phyto)
Complexityof
Plants’ responses
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Huge Diversity of Compounds
https://www.agricen.com/agricultural-biostimulantsBiostimulants
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BiostimulantsEight categories (Calvo et al. 2014)
– Microbial inoculants– Humic acids (including Fulvic acids)– Protein hydrolysates & amino acids (including MicroProteins)– Seaweed extracts– Complex organic materials (including Phytohormones)– Beneficial chemical elements & Inorganic salts (including
phosphite)– Chitin and chitosan derivatives– Anti-transpirants
Plant & Soil (2014) Marschner Review
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Phytohormones – old timers and newcomers
Auxin
Cytokinins
Gibberellins
Abscisic Acid
Ethylene
Brassinosteroids Salicylates JasmonatesStrigolactones
Karrikins
K. Dixon
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Cell Cycle Control & Cytokinins
Cytokinins form a major group of Biostimulants
D. Stuart Letham
Cytokinins细胞分裂素
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How Phytohormones drive the Cell Cycle?
Biostimulants
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Charles DarwinNatural Soil Fertility
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Vermicomposts
Auxin
Zhang et al. 2015, TalantaUAE - Ultra-Sound Assisted Extraction
iP
iPR
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OrchidIn-Vitro flowering
Sim et al (2007)
Basic Research
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Agribusiness – Control of Flowering
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1 yearMistletoe
without the host tree
Ang & Yong (2005)
Basic Research
Natural In-vitro
Common Malayan mistletoe
Natural
In-vitro
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Coconut flowers & fruits
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Are there natural Biostimulants in animal waste?
Dr Markus Langeland(SLU Uppsala)
Circular Economy
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Kinetin
Human urine as a source ofBiostimulants
Jenna Senecal, PhD candidate(SLU Uppsala)
Dr Cecilia Lalander(SLU Uppsala)
Circular Economy
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Components of the DNA
Kinetin
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AQUA-FER
Circular Economy
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• Essential nutrients(Macro - NPK & micro-nutrients as building blocks)
• Improves soil structure & holds water
• Promoting GROWTH- plant cell division
(biostimulants)
• Reduced incidence ofplant diseases
What is a GOOD “Fertilizer”?
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“The true voyage of discovery lies not in finding new landscapes, but in having new eyes.”
- Marcel Proust
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Dr Theodora Nikolakopoulou, EU CommissionFPR: Fertilizer Product Registration
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Dr Theodora Nikolakopoulou, EU CommissionFPR: Fertilizer Product Registration