Friendship 82 Rice

Friendship 82 . Cuban rice variety nominated in 1986 , precedent of the crossing of IR1529-ECIA / VINIR 3223 ( Cuba ), with an agricultural yield that exceeds 5.6 t / ha in the wet season and 7.2 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
  • 5 Evaluation of diseases and pests
  • 6 Internal links
  • 7 External links
  • 8 Source:

General characters

  • Potential agricultural yield: dry period: 7.2 t / ha. Wet season: 5.6 t / ha.
  • Life cycle (days): dry period: 126 and in the wet season: 111
  • % Whole White Grain : 54.4

Behavior towards the main pests

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

Most outstanding descriptive characters

Plant characteristics

  • Plant height (cm): 85
  • Predominant tillering capacity: Strong
  • Panicle length (cm): 20.5
  • Predominant panicle density: Semicompact

Ripe panicle of var. Friendship 82

Descriptive characters

In seedling state.

  • Coleoptyl predominant color: Light green
  • Mesocotyl length (mm): 7
  • Coleoptyl length (mm): 6.1

At the time of flowering.

  • Predominant growth habit: Erect
  • Predominant tillering capacity: Strong
  • 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 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: Transparent Bright White
  • Predominant position of the flag leaf: Erecta
  • Length of the flag leaf blade (cm): 37
  • Width of the flag leaf foil (cm): 1.2
  • Predominant position of the apex of the first leaf below the flagleaf : Erecta
  • Predominant hairiness of leaf blade: Slightly hairy
  • Leaf blade length (cm): 35
  • Leaf blade width (cm): 1.10
  • Predominant color of the leaf blade: Green
  • Predominant corrugation of blade: Present
  • Predominant corrugated side of the leaf blade: Right side (60%)
  • Predominant color of ligule: Whitish yellow
  • Predominant form of ligule: cleft
  • Ligule length (mm): 15
  • Predominant atrium size: Very small
  • Resistance of atria to detachment: Fallen
  • Predominant atria color: Whitish yellow
  • Predominant color of leaf sheath: Green
  • Knot predominant color: Yellowish
  • 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 season: 142; wet season: 127
  • Plant Height (cm): 87
  • Predominant resistance to lodging: resistant
  • 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 apex of apical panicle grain: 0-100
  • Predominant color of apex of panicle apical grain: Cream
  • Predominant color of the fertile glumes (lemma and palea) of the apical panicle grain: Straw

Rice grains of the var. Friendship 82 with shell and polished

  • Apex angle of a grain taken from the middle third of the panicle: 0-100
  • Seed length (mm): 9.61
  • Seed width (mm): 2.49
  • Seed width length ratio (mm): 3.85
  • Seed thickness (mm): 1.7
  • Weight of 1000 dry seeds (g): 28
  • Number of non-grooved seeds in a sample of 1000 grains: 880
  • Predominant panicle density: Compact
  • Panicle predominant exercise: Emerged
  • Panicle length (cm): 22
  • Number of vain (sterile) grains at the apex of the panicle: One sterilegrain
  • Panicle Predominant Fertility: Fertile
  • Panicle predominant shelling: Resistant
  • Predominant foliar longevity: Intermediate
  • Number of grains in the panicle: 110

 

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