Abstract
This experiment was conducted during the two successive seasons of 2019/2020 and 2020/2021 at a Private Farm of Dammas District, Dakahlia Governorate, Egypt to investigate the effect of GA3 concentrations, dry yeast, phosphorus and potassium as foliar spraying on onion bulb cv. Giza 20 Mohassan for increasing growth and seed yield of onion. The experimental was included 9 treatments with three replicates as follows: Control (without any addition),GA3 at 50 ppm ,GA3 at 100 ppm., dry yeast at 4/g/l + phosphoric acid, 16% P2O2 + potassium silicate, 32% K2O), 8 g/L (dry yeast + phosphoric acid, 16% P2O2 + potassium silicate, 32% K2O), 12 g/L (dry yeast + phosphoric acid, 16% P2O2 + potassium silicate, 32% K2O), GA3 at 50 ppm + 4g/L (dry yeast + phosphoric acid, 16% P2O2 + potassium silicate, 32% K2O), GA3 at 50 ppm + 8 (dry yeast + phosphoric acid, 16% P2O2 + potassium silicate, 32% K2O), and GA3 at 50 ppm + 12 (dry yeast + phosphoric acid, 16% P2O2 + potassium silicate, 32% K2O). A randomized complete block design (RCBD) with three replicates was used. Results revealed that spraying with GA3 at 100 ppm, being the most effective on growth, seed yield of onion, seed germination percentage (%). followed by the treatment of GA3 at 50 ppm + dry yeast at 8/g/l + phosphoric acid + potassium silicate). Conclusively: it can be concluded that GA3 at the concentration of 100 ppm and 50 ppm with the triple foliar application treatment of dry yeast + phosphoric acid + potassium silicate, being the most effective treatments on growth and seed yield of onion .
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Claims 2
Claim · model-written summary
Spraying GA3 at 100 ppm was the most effective treatment for growth, seed yield and seed germination percentage of onion compared with the untreated control.
- Taxon
- onion
Allium cepae0 - Material
- Giza 20 Mohassane3
- Treatment
- spraying with GA3 at 100 ppme0
- Outcome
- growth, seed yield of onion, seed germination percentagee0
- Direction
- most effectivee0
- Comparator
- Control (without any addition)e1
- Setting
- Dakahlia Governorate, Egypte2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spraying with GA3 at 100 ppm, being the most effective on growth, seed yield of onion, seed germination percentage”
e1“Control (without any addition)”
e2“Dakahlia Governorate, Egypt”
e3“onion bulb cv. Giza 20 Mohassan”
Claim · model-written summary
The authors conclude GA3 at 100 ppm and 50 ppm with the triple foliar dry yeast, phosphoric acid and potassium silicate treatment were most effective on onion growth and seed yield.
- Taxon
- onionAllium cepae0
- Outcome
- most effective treatments on growth and seed yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GA3 at the concentration of 100 ppm and 50 ppm with the triple foliar application treatment of dry yeast + phosphoric acid + potassium silicate, being the most effective treatments on growth and seed yield of onion”
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