Seed Production and Certification in Sugar Beet

Romano, Alessandro

doi:10.1007/978-981-19-2730-0_6

Cited by 2 publications

(2 citation statements)

References 48 publications

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“…In sugar beet, sucrose comprises up to 18% of the plant's fresh weight, serving as the primary form of reduced carbon utilized in long-distance transport within most crop plants (Hermans et al, 2005). Sugar beet is inherently challenging to propagate conventionally, due to its intractable nature and not flowered in Egypt because it needs to expose the roots to a low temperature 4-8 degrees Celsius, followed by a rise in temperatures, and these conditions are not available in Egypt (Romano, 2022). Consequently, various biotechnological techniques and tools focusing on in vitro-created comperhensive renovation coupled with genetic improvement are gaining popularity as effective alternatives to title the multifaceted difficulties associated with its traditional spread conventional propagation.…”

Section: Introductionmentioning

confidence: 99%

Enhancement drought tolerance of sugar beet (Beta vulgaris L.) in vitro by sodium azide

Abdelrazik,

Mahmoud

2024

SVU-International Journal of Agricultural Sciences

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Drought represents the most significant environmental challenge impacting the sugar beet growth and productivity. Sodium azide (NaN3) is relatively safe to handle and the most efficient mutagen. So, the objective of the present investigation was to study the effect of presoaking two sugar beet cultivars seeds in various concentrations of sodium azide to improve drought tolerance in vitro. Results showed that the polyethylene glycol (PEG) at 5% or 10% caused water stress in medium and lead to highly significant reduction in shoot length, fresh weight, leaves number and photosynthetic pigment (Chl a, b and car). The 10% of PEG-6000 recorded the maximum reduction in growth parameter of two studied sugar beet cultivars. Otherwise, the tested sodium azide treatments improved sugar beet growth under stressed and unstressed plants. Presoaking of sugar beet seeds in 8 mM of sodium azide raises the shoot length, fresh weight, number of leaves and photosynthetic pigment of two cultivars and the most raising reported at unstressed plants. Proline content and antioxidant enzymes (POD, SOD and CAT) increased with increasing in poly ethylene glycol concentration. Moreover, sodium azide triggers the highest production of antioxidants enzymes in two cultivars of sugar beet under drought stress. Finally, presoaking of seeds in 4 or 8 mM of sodium azide can be enhancing drought tolerance in sugar beet.

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Section: Introductionmentioning

confidence: 99%

Enhancement drought tolerance of sugar beet (Beta vulgaris L.) in vitro by sodium azide

Abdelrazik,

Mahmoud

2024

SVU-International Journal of Agricultural Sciences

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“…In the autumn, the seedlings are dug up and stored until spring. In the second year, during the springtime, they are transplanted to another field for seed production [14,15].…”

Section: Introductionmentioning

confidence: 99%

Root Causes of Flowering: Two Sides of Bolting in Sugar Beet

Kroupin,

Kroupina,

Karlov

et al. 2023

Agronomy

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Sugar beet is an important root crop with a biennial life cycle. In the first year of its life cycle, it produces huge amounts of leaf and root mass used for the production of sugar and bioethanol, livestock feed, confectionery and pharmaceuticals, fertilizers, and soil restoration. Normally, after exposure to cold temperatures during winter storage, in the second year of its life cycle, it enters its reproductive phase. However, during the first year of growth, sugar beet plants may be susceptible to producing flowering shoots, or “bolting”, due to vernalization and long-day conditions. Bolting reduces both the yield and the sugar content of roots. Here, we review the published research works that study the environmental factors influencing bolting, the genetic (including epigenetic) and physiological mechanisms that regulate the transition to the reproductive phase, and the agrotechnical and breeding practices used to prevent bolting. Models of gene networks that regulate the transition to flowering are presented. Methods for selecting non-bolting plants using conventional, marker-assisted, and genomic breeding are demonstrated. Attention is also paid to the speed breeding technology that stimulates bolting and flowering sugar beet plants in an artificial climate. Growing sugar beet plants “from seed to seed” can potentially accelerate the breeding and seed production of sugar beet. This review compares different conditions for inducing bolting in sugar beet in climatic chambers and greenhouses. It examines parameters such as temperature, duration of light exposure, and light intensity during the pre-vernalization, post-vernalization, and vernalization periods. The present review may be useful for specialists in sugar beet cultivation, breeders working on developing cultivars and hybrids that are resistant to bolting, and molecular biologists studying the genetic and physiological mechanisms underlying the transition of plants into the flowering stage.

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Seed Production and Certification in Sugar Beet

Cited by 2 publications

References 48 publications

Enhancement drought tolerance of sugar beet (Beta vulgaris L.) in vitro by sodium azide

Enhancement drought tolerance of sugar beet (Beta vulgaris L.) in vitro by sodium azide

Root Causes of Flowering: Two Sides of Bolting in Sugar Beet

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