IACuba 28

IACuba 28. Cuban rice variety nominated in 1999 , obtained by breeding by mutation from the J-104 rice variety in Cuba . It achieves an agricultural yield that exceeds 6.3 t / ha in the wet season and 8.5 t / ha in the dry season. Obtained by researchers from the Genetic Improvement department of the Grain Research Institute , entity responsible for producing its Original and Basic seed.

Summary

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  • 1 Behavior of the variety
  • 2 General characteristics
  • 3 Most outstanding descriptive characters
    • 1 Seedling characteristics
    • 2 At the time of flowering
    • 3 In a ripening state
    • 4 Evaluation of diseases and pests
  • 4 Internal links
  • 5 External links
  • 6 Source

Behavior of the variety

  • Tagosodes orizicolus
  • White Sheet: Susceptible.
  • Pyricularia griseaSacc .: Very Resistant.
  • Behavior towards acame: ResistantAcame: Resistant

General characteristics

  • Catalog No. 2108
  • Herbal No. IIA: 28
  • Crop cycle length (days): Dry season, 136 days; while in the wettest season it can be 112.
  • % Whole White Grain: 52
  • % Crystallinity: 89

Ripe panicle of var. IACuba 28

Most outstanding descriptive characters

Seedling characteristics

  • Coleoptyl predominant color: Light green (48)
  • Mesocotyl length (mm): 0
  • Coleoptyl length (mm): 7

At the time of flowering

  • Predominant growth habit: Erect
  • Predominant tillering capacity: Very prolific
  • Number of dead leaves: 1
  • Angle of the apex formed by the lemma and the palea at the spikelet: 0-100
  • Predominant color of the apex formed by the lemma and the palea on the spikelet: Straw (96)
  • Glume predominant pubescence: Partially or completely covered with short hair
  • Glume predominant color: Straw (96)
  • Stigma predominant color: Off-white (76)
  • Predominant position of the flag leaf: Erecta
  • Banner Sheet Foil Length (cm): 32
  • Width of the banner sheet foil (cm): 1.3
  • Predominant position of the apex of the first leaf below the flag leaf: Erecta

Grains with hoof and polished var. IACuba 28

  • Leaf blade predominant hairiness: Pubescent from the middle of the blade to the apex (3)
  • Leaf blade length (cm): 42.1
  • Leaf blade width (cm): 1.1
  • Predominant color of the leaf blade: Green (39)
  • Predominant corrugation of blade: Present (100%)
  • Predominant corrugated side of leaf blade: Left side (60)
  • Main color of ligule: Cream (75)
  • Predominant form of ligule: cleft
  • Ligule length (mm): 23.7
  • Predominant atrium size: Very small
  • Resistance of atria to detachment: Fallen
  • Predominant atria color: Cream (75)
  • Predominant color of leaf sheath: Green (39)
  • Knot predominant color: Light green (44)
  • Predominant internode color: Light green (48)
  • Predominant color of the subnodal ring: Light green (48)
  • Predominant color of stem base: Yellowish green (47)

Ripening

  • Days to maturity: Dry season: 136 days and in wet season: 112 days
  • Plant Height (cm): 114
  • Predominant resistance to lodging: Strong
  • Predominant response to photoperiod: Insensitive
  • Edge size: –
  • Predominant seed type of edge: Absent edge
  • Angle of apex of apical panicle grain: 0-100
  • Predominant color of apex of panicle apical grain: Light brown (71)
  • Predominant color of the fertile glumes (lemma and palea) of the apical panicle grain: Golden furrow on straw background (63)
  • Angle of the apex of a grain taken from the middle third of the panicle: 0-100
  • Seed length (mm): 13.0
  • Seed width (mm): 2.39
  • Seed width to length ratio: 5.43
  • Seed thickness (mm): 2
  • Weight of 1000 dry seeds (g): 32.9
  • Number of non-grooved seeds in a sample of 1000 grains: 1000
  • Predominant panicle density: Compact
  • Panicle predominant exercise: Moderately emerged
  • Panicle length (cm): 29.5
  • Number of vain (sterile) grains at the apex of the panicle: All fertile grains (50%), one sterile grain (50%)
  • Panicle predominant fertility: Very fertile
  • Predominant shelling of the panicle: Difficult
  • Predominant foliar longevity: Late or slow
  • Number of grains in the panicle: 170

Evaluation of diseases and pests

  • Reaction to piliculariosis caused by ( Pyricularia grisea): Very Resistant
  • Reaction to the insect known as sogataor ( Tagosodes orizicolus ): Intermediate

 

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