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Veramin Ca

Type: Protein hydrolysate, Company: Microspore

Effect

Increased produce quality
Decreased drought stress tolerance

Veramin ca treated Common bean, grown under normal irrigation, showed significantly increased number of pods (+7.3%), increased mean pod weight (+11.1%), increased yield (+11.8%), increased 100 seed weight (+10.9%) and decreased number of seeds per pod (-11.1%), seeds had decreased moisture (-4.4%), decreased fat (-7.5%), increased proteins (+1.7%), increased ash (+3.1%), no difference in carbohydrates (-0.7%), increased energy (+0.8%), decreased N (-3.7%), no difference in K, decreased P (-29.3%), no difference in Na (-11.1%), decreased Ca (-38.7%), increased Mg (+57.1%), decreased Cu (-37.3%), increased Zn (+61.5%), decreased Mn (-90%), no difference in total tocopherols, increased oxalic acid (+30.8%), increased malic acid (+18.2%), decreased ascorbic acid (-6.8%), increased total organic acids (+11.7%), no difference in sucrose (-1%), no difference in total sugars (-1%), increased C16:0, increased C18:0, decreased C18:1n9c, decreased C18:2n6c, decreased C18:3n3, increased SFA, decreased MUFA and increased PUFAwhen totalled across two harvests, compared to untreated control plants. 
Veramin ca treated common bean under reduced irrigation, showed significantly decreased number of pods (-3.7%), decreased mean pod weight (-13.3%), decreased yield (-19%), no difference in 100 seed weight (+0.9%) and decreased number of seeds per pod (-12%), seeds had  increased moisture (+6.1%), decreased fat (-12.9%), no difference in proteins (-0.8%), increased ash (+1.4%), increased carbohydrates (+1%), increased energy (+0.2%), increased N (+8.4%), no difference in K, decreased P (-28%), no difference in Na, decreased Ca (-66.7%), increased Mg (+50%), decreased Cu (-25%), increased Zn (+73.8%), decreased Mn (-60.8%), decreased total tocopherols, increased oxalic acid (+41.9%), increased malic acid, increased ascorbic acid (+9.4%), increased total organic acids (+167.3%), decreased sucrose (-19.3%), decreased total sugars (-19.3%), decreased C16:0, decreased C18:0, decreased C18:1n9c, increased C18:2n6c, increased C18:3n3, decreased SFA, decreased MUFA and increased PUFA when totalled across two harvests, compared to untreated control plants. 

Trial details
Indoor, unheated greenhouse, soil-grown, normal irrigation or water stress conditions (water holding started 21 days after sowing)
Greece

Crop

Common bean, Phaseolus vulgaris L.

Trial application

Method
Foliar spray
Timing
First application 10 days after sowing, followed by 2 applications 20 and 30 days after sowing
Rate
500 g/100 L H2O
Petropoulos, S., Fernandes, Â., Plexida, S., Chrysargyris, A., Tzortzakis, N., Barreira, J., Barros, L. and Ferreira, I.
2020
Biostimulants Application Alleviates Water Stress Effects on Yield and Chemical Composition of Greenhouse Green Bean (Phaseolus vulgaris L.)
Agronomy
10(2)
181
Crop group