IACuba 26

IACuba 26. Cuban rice variety nominated in 1993 , obtained through breeding by selection from the J-104 variety in Cuba . It achieves an agricultural yield that exceeds 4.0 t / ha in the wet season and 4.4 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.


[ hide ]

  • 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 orizicolusMuir: Very Hardy .
  • White Sheet: Susceptible.
  • Pyricularia griseaSacc .: Very Resistant.
  • Acame: Tough

General characteristics

  • Catalog No.: 2040
  • Herbal No. IIA: 26
  • Cycle (days): in the dry season it takes 147 days to mature, while in the rainy season it only takes 130 days.
  • % Whole White Grain: 53.4
  • % Crystallinity: 87.4

Ripe panicle of var. IACuba 26

Most outstanding descriptive characters

Seedling characteristics

  • Coleoptyl predominant color: Light green
  • Mesocotyl length (mm): 0
  • Coleoptyl length (mm): 6

At the time of flowering

  • Predominant growth habit: Erect
  • Predominant tillering capacity: Medium
  • Number of dead leaves: 1.7
  • Angle of the apex formed by the lemma and the paddle on the spikelet: 0-10º
  • Predominant color of the apex formed by the motto and the palea on the spikelet: Straw
  • Predominant pubescence of glumes: Pubescent towards the apex of the lemma and the palea.
  • Glume predominant color: Straw
  • Stigma predominant color: Whitish
  • Predominant position of the flag leaf: Semierecta

Grains with hoof and polished var. IACuba 26

  • Length of the flag leaf blade (cm): 37.9
  • Width of the banner sheet foil (cm): 1.4
  • Predominant position of the apex of the first leaf below the flag leaf: Erecta
  • Leaf-blade predominant hairiness: Pubescent from half to apex
  • Leaf blade length (cm): 48.1
  • Leaf blade width (cm): 1.1
  • Predominant color of the leaf blade: Light green
  • Predominant corrugation of blade: Present
  • Predominant corrugated side of the leaf blade: Left side (70%)
  • Predominant color of ligule: Cream
  • Predominant form of ligule: cleft
  • Ligule length (mm): 29
  • Predominant size of atria: –
  • Resistance of atria to detachment: Fallen
  • Predominant atria color: Cream
  • Predominant color of leaf sheath: Light green
  • Knot predominant color: Yellowish green
  • Predominant internode color: Light green (48)
  • Predominant color of the subnodal ring: Yellowish green (47)
  • Predominant color of stem base: Yellowish green (47)


  • Days to maturity: Dry: 147 Wet: 130
  • Plant Height (cm): 101.5
  • 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 apical panicle grain: Straw (78)
  • Predominant color of the fertile glumes (lemma and palea) of the apical grain of the panicle: Straw (78)
  • Angle of the apex of a grain taken from the middle third of the panicle_ 0-100
  • Seed length (mm): 9.38
  • Seed width (mm): 2.6
  • Seed width-length ratio: 3.6
  • Seed thickness (mm): 1.87
  • Weight of 1000 dry seeds (g): 31
  • Number of non-grooved seeds in a sample of 1000 grains: 1000
  • Predominant panicle density: Compact
  • Panicle predominant exercise: Moderately emerged
  • Panicle length (cm): 27.6
  • Number of vain (sterile) grains at the apex of the panicle: All fertile (60%)
  • Panicle predominant fertility: Very fertile
  • Predominant shelling of the panicle: Moderately difficult
  • Predominant foliar longevity: Late or slow
  • Number of grains in the panicle: 130

Evaluation of diseases and pests

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


by Abdullah Sam
I’m a teacher, researcher and writer. I write about study subjects to improve the learning of college and university students. I write top Quality study notes Mostly, Tech, Games, Education, And Solutions/Tips and Tricks. I am a person who helps students to acquire knowledge, competence or virtue.

Leave a Comment