IACuba 30. Cuban variety of rice nominated in 1999 , for low inputs of water and fertilizers. It was obtained by crossing the rice varieties and / or lines : BR-IRGA409 / IR 5931 in Cuba . It achieves an agricultural yield that exceeds 4.3 t / ha in the wet season and 6.5 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
[ 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: Resistant.
- White Sheet: Susceptible.
- Pyricularia griseaSacc .: Susceptible.
- Acame: Intermediate
General characteristics
- Catalog No.: 2110
- Herbal No. IIA: 30
- Crop cycle length (days): Dry season 143 days, while in the wettest season it can be 120 days.
- % Whole White Grain: 52
- % Crystallinity: 85
Ripe panicle of var. IACuba 30
Most outstanding descriptive characters
Seedling characteristics
- Coleoptyl predominant color: Light green (48)
- Mesocotyl length (mm): 0
- Coleoptyl length (mm): 8
At the time of flowering
- Predominant growth habit: Erect
- Predominant tillering capacity: Very proliferates
- Number of dead leaves: 2
- 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: Pubescent on keel (70%)
- Glume predominant color: Off-white (76)
- Stigma predominant color: Cream (75)
- Predominant position of the flag leaf: Intermediate
- Length of the flag leaf blade (cm): 17.7
- Width of the banner sheet foil (cm): 1.3
- Predominant position of the apex of the first leaf below the flag leaf: Horizontal
Grains with hoof and polished var. IACuba 30
- Leaf-blade predominant hairiness: Pubescent from the middle of the blade to the apex
- Leaf blade length (cm): 29.2
- Leaf blade width (cm): 1.0
- Predominant color of the leaf blade: Green (38)
- Predominant corrugation of blade: Present
- Predominant corrugated side of leaf blade: L. left (80)
- Main color of ligule: Cream (75)
- Predominant form of ligule: cleft
- Ligule length (mm): 16.4
- Predominant atrium size: Very large
- Resistance of atria to detachment: Fallen
- Predominant atria color: Cream (75)
- Predominant color of leaf sheath: Green (38)
- Knot predominant color: Yellowish green (49)
- Predominant internode color: Light green (48)
- Predominant color of the subnodal ring: Light green (48)
- Predominant stem base color: Pale green (87)
Ripening
- Days to maturity: Dry: 143 Wet: 120
- Plant Height (cm): 83.8
- 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: Straw (96)
- Predominant color of the fertile glumes (lemma and palea) of the apical panicle grain: Straw (96)
- Angle of the apex of a grain taken from the middle third of the panicle: 0-100
- Seed length (mm): 9.3
- Seed width (mm): 2.53
- Seed width-length ratio: 3.67
- Seed thickness (mm): 1.8
- Weight of 1000 dry seeds (g): 29
- Number of non-grooved seeds in a sample of 1000 grains: 1000
- Predominant panicle density: Semicompact (100%)
- Panicle predominant exercise: Moderately emerged
- Panicle length (cm): 19.3 cm
- Number of vain (sterile) grains at the apex of the panicle: All fertile grains (30%), 1 sterile grain (30%) and 2 sterile grains (40%)
- Panicle predominant fertility: Very fertile
- Predominant shelling of the panicle: Intermediate
- Predominant foliar longevity: Late or slow
- Number of grains in the panicle: 132
