Results of Sugar Beet Production Depending on the Hybrids Selection and the Number of Fungicide Application

Kristek, Andrija; Kristek, Suzana; Varga, Ivana; Drmić, Zrinka

doi:10.18047/poljo.21.2.3

Cited by 9 publications

(6 citation statements)

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“…The fungicide applications in 2018 had a positive influence on sugar content in all treatments (Table 4). It is in agreement with the results of Kristek et al (2006), who claimed that fungicide application leads to an increase of root yield by 11.07 t/ha (14.8%), sugar content by 1.00% (relative 7.1%) and white sugar yield by 2.08 t/ha (23.0%) in comparison with untreated check. The highest sugar yield was recorded in treatment No.…”

Section: Resultssupporting

confidence: 92%

The Efficacy of Fungicides Against Cercospora beticola in Field Conditions

Hudec,

Mihók,

Roháčik

2023

Agriculture (Pol'nohospodárstvo)

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This study is focused on the evaluation of the efficacy of conventional fungicides against Cercospora leaf spot (CLS) on sugar beet. The results showed that the best protection against CLS was achieved by treatment with kresoxim-methyl + epoxiconazole (T1) and tetraconazole (T2). The second highest fungicide efficacy was detected after treatment with (kresoxim-methyl + epoxiconazole -T1) + difenoconazole -T2, followed by (azoxystrobin + cyproconazole) + difenoconazole, (prochloraz + propiconazole) + tetraconazole, Urtica dioica plant extracts + Salix spp. plant extracts, (trifloxystrobin + cyproconazole) + tetraconazole, and picoxystrobin + tetraconazole. The positive effect of fungicide protection on yield and sugar content was higher in the year with a higher occurrence of CLS. Good CLS management could increase the root yield by up to 19.34%, and sugar yield by up to 23.83% in comparison to the untreated check. The highest sugar yield was achieved in the treatment by (prochloraz + propiconazole) + tetraconazole, followed by (kresoxim-methyl + epoxiconazole) + difenoconazole, (azoxystrobin + cyproconazole) + difenoconazole, (trifloxystrobin + cyproconazole) + tetraconazole, picoxystrobin + tetraconazole, and Urtica dioica plant extracts + Salix spp. plant extracts. The results showed a strong relationship of root yield and sugar yield on fungicide treatment during the vegetation. The occurrence of fungicide resistance in Cercospora beticola population has an important impact on efficacy of applied fungicides in field conditions. The highest economic effectiveness coefficient was achieved at treatment by (prochloraz + propiconazole) + tetraconazole.

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Section: Resultssupporting

confidence: 92%

The Efficacy of Fungicides Against Cercospora beticola in Field Conditions

Hudec,

Mihók,

Roháčik

2023

Agriculture (Pol'nohospodárstvo)

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“…In addition to the achieved yield and quality (especially in 2014), it is assumed that the lack of effect of the fungicide spray was somehow reflected in the final yield in the sugar content of the root. The reduced effect of fungicide was probably due to the loss of strobilurin efficiency and low effectiveness of cyproconazole treatment [44], so the leaves were destroyed in September 2014 and 2015. In a previous study, Varga et al [45] reported that in 2014 the highest leaf fresh weight increment of 70% was determined in June and the decrease of 30% in August.…”

Section: Discussionmentioning

confidence: 99%

Sugar Beet Root Yield and Quality with Leaf Seasonal Dynamics in Relation to Planting Densities and Nitrogen Fertilization

et al. 2021

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This study aimed to analyze the seasonal dynamics of sugar beet leaf and root yield and quality in different plant populations and the nitrogen fertilization rate. The field trials were set as four different planting densities (60,000 to 140,000 plants ha−1) and three different spring nitrogen fertilization rates: no fertilization, pre-sowing (45 kg ha−1 N), and pre-sowing with top dressing (99 kg ha−1 N in 2014 and 85.5 kg ha−1 N in 2015. The changes of leaf growth were done measuring leaf area (LA), leaf area index (LAI), specific leaf area (SLA), and leaf area ratio (LAR). The highest LAI in 2014 was determined on 30 July at 140,000 plants ha−1 (9.35 m2 m−1) and in 2015 on 20 June at 100,000 plants ha−1 (4.83 m2 m−2). In both years, the SLA and LAR was highest at the end of May. In relation to plant density, higher plant densities had on average the highest root yield, sucrose content, and white sugar yield. In both years, pre-sowing with top dressing spring nitrogen fertilization resulted in the highest root (95.0 t ha−1) and white sugar yield (11.4 t ha−1), whereas the highest sucrose content was after pre-sowing fertilization (14.9%).

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“…Walter, (1987) discussed the importance of the selection of locations for the evaluation of quantitative characters Also, he found that wide fluctuations in the rank performance of genotypes at test locations suggest that it may be desirable to develop and/or selection the best genotypes for different locations through independent selection. In this connection, Kristek et al (1997) establish that the influence of locations was very high in root yield, sugar content and sugar yield. All sugar beet cultivars sown under Egyptian conditions are imported from global breeding sources.…”

Section: Curcic Et Al (2018)mentioning

confidence: 84%

Evaluation of Some Sugar Beet Varieties Under Different Sowing Dates in Two Regions of Upper Egypt

2020

Egyptian Journal of Applied Science

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A Field experiments was carried out in three sowing dates at two locations under conditions El-Mattana Research Station (latitude of 25.25°N and longitude of 32.31°E and elevation of 81 m above sea level) Luxor Governorate, And Kom Ombo Agricultural Research Station, (latitude of 24.28°N and longitude of 32.57°E and elevation of 84.5 m above sea level) Aswan Governorate, Egypt, during 2018/2019 and 2019/2020 seasons. To Evaluate of nine sugar beet varieties to bridge the sugar gap between production and consumption by expanding sugar beet cultivation in Upper Egypt.The present work included nine sugar beet varieties (Beta Vulgaris, L.) namely Cleopatra, Tarbelli, Betamax, Sirona, Capel, Saucona, FD17B410, FD18B418, and LP 17B411, to evaluate them And select the best in terms of suitability to environmental conditions and the extent of their superiority in yield and Quality . Sugar beet varieties were sawn in three dates (mid of September, October and November ±3) days between the two sites (El-Mattana and Kom Ombo) in the two planting seasons. The experiment was carried out in randomized strip plot design with three replications.Results showed that El-Mattana location surpassed in the highest values root fresh weight, root length, root diameter, root yield (t/fed), sucrose %, Extractable sugar, purity, and sugar yield (t/fed) and less content of potassium percentages compared with Kom Ombo location.The results indicated that time of cultivation significantly affected each of average of root fresh weight, top fresh weight, root length, root diameter, root yield (t/fed), sucrose %, Extractable sugar%, purity%, and sugar yield (t/fed) and less content of impurities in month October.Examined Sugar beet varieties significantly differed in some studied traits in the two seasons. recorded Capel, Sirona and Beta max varieties recorded the highest values of growth, Quality and yield of Sugar beet compared to the other varieties a spatially sown in October month either El-Mattana or Kom Ombo location INTRODUTIONSugar beet seeds sown in Egypt are imported seeds annually from foreign countries, especially from Europe and other ones. Therefore it is evaluate them under Egyptian conditions especially under most of soils

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Results of Sugar Beet Production Depending on the Hybrids Selection and the Number of Fungicide Application

Cited by 9 publications

References 0 publications

The Efficacy of Fungicides Against Cercospora beticola in Field Conditions

The Efficacy of Fungicides Against Cercospora beticola in Field Conditions

Sugar Beet Root Yield and Quality with Leaf Seasonal Dynamics in Relation to Planting Densities and Nitrogen Fertilization

Evaluation of Some Sugar Beet Varieties Under Different Sowing Dates in Two Regions of Upper Egypt

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