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.
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 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)
Ripening
- 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
