Pearl of Cuba: Cuban variety of rice nominated in 1991 , precedent of the crossing of unknown parents, with an agricultural yield that exceeds 5.7 t / ha in the wet season and 7.3 t / ha in the dry season.
Summary
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- 1 General characters
- 2 Behavior towards the main pests
- 3 Most outstanding descriptive characters
- 1 Plant characteristics
- 4 Descriptive characters
- 1 In seedling state
- 2 At the time of flowering.
- 3 In a ripening state
- 4 Evaluation of diseases and pests
- 5 Internal links
- 6 External links
- 7 Source:
General characters
- Potential agricultural yield: dry period: 7.3 t / ha. Wet season: 5.7 t / ha.
- Life cycle (days): dry period: 125 and in the wet season: 110
- % Whole White Grain: 56.7
Behavior towards the main pests
- Tagosodes orizicolusMuir: Hardy
- White Sheet: Very Strong
- Pyricularia griseaSacc .: Intermediate
Most outstanding descriptive characters
Plant characteristics
- Plant Height (cm): 85.5
- Predominant tillering capacity: Medium
- Panicle length (cm): 23.5
- Predominant panicle density: Compact
Ripe panicle of var. Pearl of Cuba
- Vegetative vigor: 5
- Ecotype: Intermediate
- Acame resistance: Susceptible
- Cold damage: Intermediate
Descriptive characters
In seedling state
Coleopthyl predominant color: Light green (48) Mesocotyl length (mm): 15 Coleoptyl length (mm): 5.8
At the time of flowering.
- Predominant growth habit: Erect
- Predominant tillering capacity: Medium
- Number of dead leaves: 1.5
- 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: Green
- Predominant pubescence of glumes: Pubescent towards the apex of the lemma and the palea
- Glume predominant color: Light green
- Stigma predominant color: Off-white (76)
- Blade Predominant Position: Erect Flag
- Length of the flag leaf blade (cm): 31
- Width of the banner sheet foil (cm): 0.9
- Predominant position of first leaf apex below flag leaf: Erect
- Leaf blade predominant hairiness: Slightly pubescent
- Leaf blade length (cm): 31
- Leaf blade width (cm): 0.9
- Predominant color of the leaf blade: Light green
- Predominant corrugation of blade: Present
- Predominant corrugated side of the leaf blade Left side: (60%)
- Predominant color of ligule: Cream
- Predominant form of ligule: cleft
- Ligule length (mm): 16.4
- Predominant size of atria: –
- Resistance of atria to detachment: Fallen
Rice grains of the var. Pearl of Cuba with shell and polished
- Predominant atria color: Cream
- Predominant color of leaf sheath: Green
- Knot predominant color Yellow: (84)
- Predominant internode color: Light green
- Predominant color of the subnodal ring: Yellowish green
- Predominant color of stem base: Yellowish green
Ripening
- Days to maturity Dry: 125 Wet: 110
- Plant Height (cm): 85.5
- Predominant resistance to lodging: Strong
- Predominant response to photoperiod: Insensitive
- Edge size: Medium
- Predominant seed type of edge: Short edge and present in less than 50% of the grains
- Angle of the apex of the apical grain of the panicle: 0-10o
- Predominant color of apex of panicle apical grain: Straw
- Predominant color of the fertile glumes (lemma and palea) of the apical panicle grain: Straw
- Angle of the apex of a grain taken from the middle third of the panicle: 0-100
- Seed length (mm): 9.78
- Seed width (mm): 2.58
- Seed width to length ratio: 3.79
- Seed thickness (mm): 1.8
- Weight of 1000 dry seeds (g): 32.5
- Number of non-grooved seeds in a sample of 1000 grains: 896
- Predominant panicle density: Compact
- Panicle predominant exercise: Emerged
- Panicle length (cm): 23.5
- Number of vain (sterile) grains at the apex of the panicle: All fertile grains
- Panicle Predominant Fertility: Fertile
- Predominant shelling of the panicle: Difficult
- Predominant foliar longevity: Intermediate
- Number of grains in the panicle: 137
