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The effect of seed treatment with FLOBOND™ SC101

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Spring barley experiment

The effect of seed treatment with Flobond SC101 on yield components and yield of spring barley

In 2022 at Križevci, NW Croatia an experiment was set on spring barley cw. Dado seed tretment and sown in basic plot size of 50 m2 in three replications. For presowing seed treatment two variants were examined:

  1. T1 -Control
  2. T2-Flobond SC101 (1l/ha)
Spring barley experiment

Spring barley experiment

METHODS

The previous crop was maize and the fertilization of the experimental plot is shown in Table 1.

 In to variants, barley was sown 220 kg per hectare on March 30, 2023.
Herbicide used: May 5,Starane250 1 l/ha + insectide Cythrin max 50 ml/ha+ Slavol 7 l/ha
May 22,2023. Cythrin max 50 ml/ha+ fungicide Delaro forte 1,2 l/ha + Slavol 7 l/ha

Barley – waxy grain

Results

Results of the chemical analysis of soil samples from the plot on which the barley experiment was sown are shown in Tab. 2

The soil is leased pseudogley (stagnosol) acidic (pH in 1MKCl = 5.26) and does not need calcification (Y1=2,47). The humus content is low (1,79 %) but rich in phosphorus (26.23 mg/100 g of soil) and potassium 24,9 g/100 g of soil).

CLIMA-DIAGRAM

Tab, 2a Total monthly precipitation and average monthly air temperature for 2023.

NDVI measurements were done three times in the growing season and are shown in Table 3.

Normalized Difference Vegetation Index (NDVI )

During the vegetation, plant biomass, plant development and health were measured on all eight
Variants with a manual green seeker.
Three measurements of NDVI showed good nutrition and health of barley in all variants of the experiment.

Table 4. Plant density – heads per m2 by variants and repetitions

Table 5. Grain yield t/ha by variants and repetitions

Table 6. Head length in cm by variants and repetitions

Table 7. Number of kernels per spike by variants and repetitions

Table 8. Volume weight – kg/hl by variants and repetitions

Table 9. TKW-g by variants and repetitions

Table 10. The effect preparation on plant density and grain yield

* The values in column marked with different letter are significantly different at p<0,05

Table 11. The effect preparation on head length and number of kernels per spike

* The values in column marked with different letter are significantly different at p<0,05,

Table 12. The effect preparation on volume weight and TKW

* The values in column marked with different letter are significantly different at p<0,05,

Plant density
A significant difference in plant density was observed between the T1 control variant and the T2 variant. Control was significantly lower than T2 variants.

Grain yield
Significantly different grain yields were observed between Control and T2 variant.
Control was significantly lower than T2 variant.

Head length
There were no significant differences between T1 and T2 variants .
Number of kernels per spike
A significant difference in number of kernels per spike was observed between the control variant and the T2 variant. Control was significantly lower than T2 variant.

Volume weight
There were significant differences between the T1 control variant and T2 variant. Control was significantly lower than T2 variant.

Thousand kernels weight
There were significant differences between variant T1 and T2 variant . Control was significantly lower than T2 variant

Conclusion

After the experimental sowing, the climatic conditions were unfavorable. The soil was moist, and germination was slow and uneven. Very high temperatures during flowering, fertilization and grain filling with a rainy period resulted in lower yields. During the growing season, high humidity and high temperatures resulted in a strong attack of diseases and pests. Compared to the control variant T1 the highest yield was in the T2 variant from 14.8%.

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