J-104

Jucarito 104 (J-104): Cuban rice variety nominated in 1981 , preceding the crossing of IR480-5-9-2 / IR30-16-1 ( Cuba ), with an agricultural yield that exceeds 8.5 t / ha in the wet season and 5.9 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 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
  • 5 Evaluation of diseases and pests
  • 6 Internal links
  • 7 External links
  • 8 Source:

General characters

  • Potential agricultural yield: dry period: 8.5 t / ha. Wet season: 5.9 t / ha.
  • Life cycle (days): dry period: 150 and in the wet season: 133
  • % Whole White Grain : 50.0
  • % Crystallinity: 74.92

Behavior towards the main pests

  • Tagosodes orizicolusMuir: Very Hardy
  • White Sheet: Susceptible.
  • Pyricularia griseaSacc .: Susceptible

Most outstanding descriptive characters

Plant characteristics

  • Plant Height (cm): 101.5
  • Predominant tillering capacity: Good
  • Panicle length (cm): 26.7
  • Predominant panicle density: Compact

Ripe panicle of var. Jucarito 104 (J-104):

Descriptive characters

In seedling state

  • Coleoptyl predominant color: Light green
  • Mesocotyl length (mm): 9
  • Coleoptyl length (mm): 3.5

At the time of flowering.

  • Predominant growth habit: Erect
  • Predominant tillering capacity: Good
  • Number of dead leaves: 0.5
  • 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: Straw (78)
  • Predominant pubescence of glumes: Pubescent towards the apex of the lemma and the palea.
  • Glume predominant color: Straw (78)
  • Stigma predominant color: Off-white (76)
  • Predominant position of the flag leaf: Erecta
  • Length of the flag leaf blade (cm): 37.9
  • Width of the banner sheet foil (cm): 1.3
  • Predominant position of the apex of the first leaf below the flag leaf: Erecta
  • Leaf-blade predominant hairiness: Pubescent from middle to apex
  • Leaf blade length (cm): 48.1
  • Leaf blade width (cm): 1.10
  • Predominant color of the leaf blade: Light green (44)
  • Predominant corrugation of blade: Present
  • Predominant corrugated side of the leaf blade: Left side (70%)
  • Main color of ligule: Cream (75)
  • Predominant form of ligule: cleft
  • Ligule length (mm): 29
  • Predominant size of atria: –
  • Resistance of atria to detachment: Fallen (2)
  • Predominant atria color: Cream (75)
  • Predominant color of leaf sheath: Light green (75)
  • Knot predominant color: Yellowish green (47)
  • Predominant internode color: Light green (48)
  • Predominant color of the subnodal ring: Yellowish green (47)
  • Predominant color of stem base: Yellowish green (47)

Ripening

Rice grains of the var. Jucarito 104 (j-104) in shell and polished

  • Days to maturity: In the dry season: 150 and in the wet season: 133
  • Plant Height (cm): 101.5
  • Predominant resistance to lodging: Strong
  • Predominant response to photoperiod: Insensitive
  • Edge size (mm): –
  • 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): 26.7
  • 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: 27

 

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