IACuba 29

IACuba 29. 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 : IR1529-ECIA / GLORIA // V15521 in Cuba . It reaches an agricultural yield that exceeds 4.0 t / ha in the wet season and 6.0 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.

Table of Contents

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: Resistant.
White Sheet: Susceptible.
Pyricularia griseaSacc .: Susceptible.
Acame: Intermediate

General characteristics

Catalog No.: 2109
Herbal No. IIA: 29
Crop cycle duration (days): Dry season 143 days, while in the wettest season it can be 125 days.
% Whole White Grain: 55
% Crystallinity: 96

Ripe panicle of var. IACuba 29

Most outstanding descriptive characters

Seedling characteristics

Coleoptyl predominant color: Light green (48)
Mesocotyl length (mm): 0
Coleoptyl length (mm): 9

At the time of flowering

Predominant growth habit: Erect
Predominant tillering capacity: Very proliferates (25)
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: Straw (96)
Predominant pubescence of glumes: Pubescent towards the apex of the lemma and the palea (60%)
Glume predominant color: Off-white (78)
Stigma predominant color: Cream (75)
Predominant position of the flag leaf: Erecta
Length of the flag leaf blade (cm): 29.1
Width of the flag leaf foil (cm): 1.2
Predominant position of the apex of the first leaf below the flag leaf: Horizontal

Grains with hoof and polished var. IACuba 29

Leaf blade predominant hairiness: Pubescent from the middle of the blade to the apex (5)
Leaf blade length (cm): 43.1
Leaf blade width (cm): 1.1
Predominant color of the leaf blade: Green (39)
Predominant corrugation of blade: Present
Predominant corrugated side of the leaf blade: Left side (60%)
Main color of ligule: Cream (75)
Predominant form of ligule: cleft
Ligule length (mm): 24.2
Predominant atrium size: Very small
Resistance of atria to detachment: Fallen
Predominant atria color: Cream (75)
Predominant color of leaf sheath: Green (39)
Knot predominant color: Green (43)
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: 125
Plant Height (cm): 83.7
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 panicle grain: Gold (78)
Angle of the apex of a grain taken from the middle third of the panicle: 0-100
Seed length (mm): 9.50
Seed width (mm): 2.50
Seed width to length ratio: 3.80
Seed thickness (mm): 1.80
Weight of 1000 dry seeds (g): 28.7
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): 20.5
Number of vain (sterile) grains at the apex of the panicle: All fertile grains (100%)
Panicle predominant fertility: Very fertile (70%) and Fertile (30%)
Predominant shelling of the panicle: Moderately difficult
Predominant foliar longevity: Late or slow
Number of grains in the panicle: 150

Evaluation of diseases and pests

Reaction to piliculariosis caused by ( Pyricularia grisea): Susceptible
Reaction to the insect known as sogataor ( Tagosodes orizicolus ): Resistant