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Complete information about Sugarbeet plant

Sugarcrops October 21, 2015

Cultivation of Sugarbeet: Complete guide on  Sugarbeet plant farming involves in seed treatment, planting, pest management, irrigation, harvesting and benefits.

Sugarbeet:

Sugar beet is an important crop of arable rotations throughout the major growing regions of the UK. The sugar beet has a conical, white, fleshy root (a taproot) with a flat crown. The plant consists of the root and a rosette of leaves. Sugar is formed by photosynthesis in the leaves, and is then stored in the root. These are commonly grown in conjunction with wheat, barley or pulses, sugar beet provides a valuable break crop returning organic matter to the soil and preventing the build up of disease.

The root of the beet contains 75% water, about 20% sugar, and 5% pulp (the exact sugar contents can vary between 12 and 21% sugar, depending on the cultivar and growing conditions). Sugar is the primary value of sugar beet as a cash crop. The pulp, insoluble in water and mainly composed of cellulose, hemicellulose, lignin, and pectin, is used in animal feed. The byproducts of the sugar beet crop, such as pulp and molasses, add another 10% to the value of the harvest.

Sugarbeet

Sugarbeet

Sugar beets grow exclusively in the temperate zone, in contrast to sugarcane, which grows exclusively in the tropical and subtropical zones. The average weight of sugar beet ranges between 0.5 and 1 kg (1.1 and 2.2 lb). Sugar beet foliage has a rich, brilliant green color and grows to a height of about 35 cm (14 in). The leaves are numerous and broad and grow in a tuft from the crown of the beet, which is usually level with or just above the ground surface.

PRODUCTION TECHNOLOGY:

Introduction:
                                                                                                                 
Tropical sugarbeet (Beta vulgaris spp. Vulgaris  var altissima Doll)   is a biennial sugar producing tuber crop, grown in temperate countries.  This crop constitutes 30% of total world production and distributed in 45 countries.  Now tropical sugarbeet hybrids are gaining momentum in tropical and sub tropical countries including Tamil Nadu as a promising energy crop and alternative raw materials for the production of ethanol.  Apart from sugar production, the value added products like ethanol can also be extracted from sugarbeet.  The ethanol can be blended with petrol or diesel to the extent of 10% and used as bio-fuel.  The sugarbeet waste material viz., beet top used as green fodder, beet pulp used as cattle feed and filter cake from industry used as organic manure.

Tropical sugarbeet now emerged as commercial field crop because of the favourable characters like (i) tropical sugarbeet hybrids suitable for Tamil Nadu (ii) Shorter duration of 5 to 6 months (iii) needs moderate water requirement of 60-80 cm. (iv) higher sugar content of 12 – 15% (v) improve soil conditions because of tuber crop and (vi) grow well in saline and alkali soil.  The harvesting period of sugarbeet coincides with March – June, the human resource of sugar factory in the off season may efficiently utilized for processing of sugarbeet in the sugar mills, which helps in continuous functioning of sugar mills.

Hybrids and duration:
The tropical sugarbeet hybrids suitable for cultivation in Tamil Nadu are Cauvery,  Indus and Shubhra.  The duration of these tropical hybrids will be 5 to 6 months depending on  climatic conditions prevailing during crop growth period.

Climate and season:
Tropical sugarbeet require good sunshine during its growth period. The crop does not prefer high rainfall as high soil moisture or continuous heavy rain may affect development of tuber and sugar synthesis. Tropical sugarbeet can be sown in September– November coincide with North East monsoon with a rainfall of 300 – 350 mm well distributed across the growing period which favours vegetative growth and base for root enlargement. The optimum temperature for germination is 20 – 250C, for growth and development 30 – 350C and for sugar accumulation in 25– 350C.

Season:

Tropical sugarbeet is sown in September to November and harvested during March and  May.

 Field preparation:
Well drained sandy loam and clayey loam soils having medium depth (45” cm) with fairly good organic status are suitable. Tropical sugarbeet require deep ploughing (45 cm) and followed by 2 – 3 ploughing to obtain a good soil tilth condition for favorable seed germination.  Ridges and furrows are formed at 50 cm apart.

Seeds and sowing:
Optimum population is 1,00,000 – 1,20,000 /ha.  Hence use only pellated seeds 1,20,000 Nos /ha which require 6 pockets (3.6kg / ha.-One pocket contains 20000 seeds (600 g)]. The recommended spacing is 50 x 20 cm.  The pellated  seed is dippled at 2 cm depth in the sides of ridges at 20 cm apart. 45 x 15 cm spacing found to be optimum for higher root yield.

Sugarbeet Seeds

Sugarbeet Seeds

Sugarbeet seeds sowing

Sugarbeet seeds sowing

Sugarbeet seedling

Sugarbeet seedling

Weeding and Earthing up:

The crops should be maintained weed free situation upto 75 days. Pretilachlor
50  EC @ 0.5 Kg ai/ha or Pendimethalin @3.75lit /ha can be dissolved in 300 litres of water and sprayed with hand operated sprayer on 0- 2rd day after sowing, followed by hand weeding on 25th day and 50th day after sowing.  The earthing up operations coincides with top dressing of N fertilizer. Pre-emergence application of metamitrone 70% EC @ 0.75 kg a.i ha-1 + pretilachlore 70% EC at 0.40 kg a.i ha-1 followed by hand weeding on 30 DAS.

Irrigation:

Tropical  sugarbeet is very sensitive to water stagnation in soil at all stages of crop growth.  Irrigation should be based on soil type and climatic condition.  Pre-sowing irrigation is essential since at the time of sowing, sufficient soil moisture is must for proper irrigation.  First irrigation is crucial for the early establishment of the crop.        For loose textured sandy loam soil irrigation once in 5 to 7 days and for heavy textured clay loam soil once in 8 – 10 days is recommended.The irrigation has to be stopped at least 2 to 3 weeks before harvest.  At the time of harvest if the soil is too dry and hard it is necessary to give pre harvest irrigation for easy harvest.  Light and frequent irrigation is recommended for maintaining optimum soil moisture. Water requirement 800 – 850 mm.

Harvest and yield:

The tropical sugarbeet crop matured in about 5 to 6 months.  The yellowing of lower leaf whirls of matured plant, Nitrogen deficiency and root brix reading of 15 to 18% indicate the maturity of beet root for harvest.  The average root yield  of tropical sugarbeet is 80 – 100 tonnes / ha. Harvesting should be timed so as the roots reach the factory within 48 hours for processing.Till such time the roots should not be harvested.

Sugarbeet Harvesting

Sugarbeet Harvesting

Template for Technology:

Introduction:

Tropical sugarbeet (Beta vulgaris spp. Vulgaris var altissima Doll) is a biennial sugar producing tuber crop, grown in temperate countries.  Now tropical sugarbeet hybrids are gaining momentum in tropical and sub tropical belts  including Tamil Nadu as a promising alternative energy crop for the production of ethanol and alternate sugar producing crop.    The ethanol can be blended with petrol or diesel to the extent of 10% and used as bio-fuel.  The bi-products of sugarbeet viz., beet top can be used as green fodder, green leaf manure and raw material for vermi compost while beet pulp is used as cattle feed and filter cake used as manure.

Right seed:

    • Use pelleted seed
    • Variety -Nil
    • Hybrids – Cauvery, Indus and  Shubhra
    • At present no seed production in India, seeds source- Syngenta India Ltd., (Seeds division,)
      1170 / 27, Revenue colony, Shivaji nagar, Pune-411005.
      Phone: 020-2553 5996
      Fax:020 -2553 7571

Right technology:

    • Seed  Treatment :  Already it is treated and marketed as pelleted seed.
    • Seeds Rate / ha:  One 1.2 lakh pelleted seeds(3.6Kg)
    • Land Preparation:
      • Thorough land preparation of 45 cm deep ploughing,
      • Formation of ridges and furrows with a spacing of 50X20 cm and height of  the ridges @15 -20 cm.
    • Sowing:  Dibble the seed at 2 cm depth on the top of the ridge with a spacing of 20 cm between plants.
    • Weed free environment up to 60th day
    • Pre-emergence application of Pretilachlor 50EC 0.5 Kg ai / ha in 500 litre of water or Pendimethalin 30 EC 1.0 Kg ai/ha dissolved in 500 litre of water
    • Hand weeding on 25th and 50 th  days after sowing

Right nutrition:

    • Balanced application of organic and inorganic fertilizers
    • FYM 12.5  t/ha and basal application  of 2 kg of Azospirillum and  2 kg of phosphobacteria
    • Based on the soil test value, inorganic fertilizer has to be applied.  In the absence of soil test  value, blanket recommendation of 150:75:75 NPK kg/ha
    • Stages of application of fertilizer:  Basal 50% N, full P and full K.  Remaining 25% N on 20 to 25 days after sowing and 25% N on 40 to 45 days after sowing.
    • Timely and need based, placement of fertilizer and earthing up
    • Excess N should be avoided

Right pest and diseases management :

    • Pests – Aphid, Tobacco caterpillar and Flea beetles
    • Diseases-  Root and crown rot, Cercospora leaf spot and Root knot nematode

Integrated pest and disease management:

  • Seed treatment with Pseudomonas fluorescens  @ 10 g/kg of seed
  • Summer ploughing and exposing the field to sunlight
  • Crop rotation for 3 years with Marigold or gingelly or sunnhemp for root rot and nematode
  • Soil application of Trichoderma viride  or Pseudomonas fluorescens  @ 2.5 kg/ha mixed with 50 kg of FYM before planting
  • Sow castor as trap crop around and within fields to attract adult  Spodoptera  moth for egg laying
  • Set up light traps (1 mercury / 5  ha) for monitoring Spodoptera litura
  • Setting up pheromone -Pherodin SL @ 12/ha for Spodoptera litura
  • Removal and destruction of Spodoptera  egg masses, early stage larvae formed in clusters
  • Hand picking and destruction of grown up Spodoptera caterpillar

Need based:

  • Spraying Spodoptera  nuclear polyhedrosis virus at 1.5 x 1012 POB/ha
  • Spray NSKE 5% for aphids flea beetles and for early instar caterpillars
  • Use of poison bait pellets prepared with rice bran 12.5 kg, jaggery 1.25 kg, carbaryl 50% WP – 1.25 kg in 7.5 lit water for Spodoptera litura
  • Spray any one of the following insecticides using a high volume sprayer covering the foliage and soil surface
  • Chlorpyriphos 20 EC – 2 ml / lit
  • Dichlorvos 76 WSC – 1 ml/lit
  • Fenitrothion 50 EC – 1 ml/lit
  • Spray malathion  50 EC (2 ml/lit) for flea beetle and leaf webber
  • Spray Imidacloprid 200 SL (0.2 ml/lit) or methyl demeton 25 EC (2 ml/lit) or dimethoate 30 EC (2 ml/lit) for aphids
  • Applying neem cake @ 150 kg/ha for root rot
  • Foliar spray of Mancozeb 2.5 g / lit for Cercospora leaf spot
  • Neem cake @ 1 t/ha or carbofuran @ 33 kg/ha as spot application on 30 days after sowing for nematode management

Water management:

  • Optimum EC up to 1 ds/m
  • It can be grown in water containing EC 1 to 2 ds/m
  • Irrigation schedule:  Life irrigation on 3rd day
  • For vegetative stage(up to 45 DAS) – 4 irrigation, vegetative to tuber initiation (75 DAS) – 4 irrigation, tuber  maturation(up to 125 DAS) – 4 irrigation and Maturity – 2 irrigation – up to 15-20 DAS maintain optimum soil moisture for  good germination and population
  • Drip fertigation with 100 % recommended dose of Fertilizer 150:75:75 Kg NPK ha-1 found to be better for tropical sugarbeet.

Post harvest management:

  • Stop irrigation 15-20 days prior to harvest. This allows sugar accumulation
  • Just hand pulling and keeping the tops, store in a shaded conditions
  • Roots of sugarbeet  reach the factory within 48 hours for processing
  • Yield  80 to 100 t/ha, Sugar recovery- 15 -16%

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