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Australian Pastures Genebank
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2.2.0
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Dichanthium
Descriptors
Category: COMMENT
NOTES
(NOTES) notes on diseases, pests, asset or weaknesses of accession
Category: GROWTH
Growth habit
(Growth habit) Dominant growth habit
Mode of spread
(Mode of spread) Dominant mode of spread (at 1st flower)
Category: MORPHOLOGY
1000 Seed Weight
(1000 Seed Weight) Weight of 1000 seeds in grams
Culm colour (dominant)
(Culm colour (dominant)) Dominant culm colour (10-20 days after 1st flower)
Culm colour (secondary)
(Culm colour (secondary)) Secondary culm colour (10-20 days after 1st flower)
FLOWERING
(FLOWERING) earliness to flowering
GRAZED_HABIT
(GRAZED_HABIT) growth habit of plants under moderate to heavy grazing
Leaf colour (dominant)
(Leaf colour (dominant)) Dominant leaf colour 4-6 nodes from branch tip (at 1st flower)
Leaf colour (secondary)
(Leaf colour (secondary)) Secondary leaf colour 4-6 nodes from branch tip (at 1st flower)
Leaf hairs
(Leaf hairs) Leaf surface hairiness, fully expanded leaves (at 1st flower)
Leaf sheath hairs
(Leaf sheath hairs) Leaf sheath surface hairiness, fully expanded leaves (at 1st flower)
Maximum leaf length
(Maximum leaf length) Maximum leaf size of fully expanded leaves (at first flower)
PEAK_FLOWERING
(PEAK_FLOWERING) months when peak flowering occurred
PERENNIALITY
(PERENNIALITY) plant perenniality
PLANT_DIMENSIONS
(PLANT_DIMENSIONS) height (cm) and diameter (cm) of typical plant
SPREAD_METHOD
(SPREAD_METHOD) method by which accession spreads
Category: PHENOLOGY
Days to First Flower
(Days to First Flower) Days from wetting up to start of flowering phase
Diseases
(Diseases) Identification of diseases not otherwise rated (group or scientific name if known)
First Flower, Second Comp
(First Flower, Second Comp) Date of first inflorescence compared to secondary comparator (cultivar od same species)
Leafiness rating - principal
(Leafiness rating - principal) Estimate of leaf vs non-leaf material compared to principal (30-50 days after 1st flower)
Leafiness rating - subsidiary
(Leafiness rating - subsidiary) Estimate of leaf vs non-leaf material compared to subsidiary (30-50 days after 1str flower)
Maximum canopy height
(Maximum canopy height) Maximum canopy (foliage) height (cm) (without support) (30-50 days after 1st flower)
Maximum seeedhead height
(Maximum seeedhead height) Maximum flower (foliage) height (cm) (30-50 days after 1st flower)
Minimum canopy height
(Minimum canopy height) Minimum canopy (foliage) height (cm) (without support) (30-50 days after 1st flower)
Minimum seedhead height
(Minimum seedhead height) Minimum flower (foliage) height (cm) (30-50 days after 1st flower)
Seed production (subsidiary)
(Seed production (subsidiary)) Estimate of seed production relative to the subsidiary comparator (where present)
wet down date
(wet down date) Date seeds were first wetted for germination (in laboratory)
Category: PRODUCTION
ADAPTATION_TO_CLAY
(ADAPTATION_TO_CLAY) rating for adaptation to clay soils from 1 (very poor) to 8 (well adapted)
ADAPTATION_TO_SAND
(ADAPTATION_TO_SAND) rating for adaptation to sandy soil from 1 (very poor) to 8 (well adapted)
COMPETITIVENESS
(COMPETITIVENESS) rating for plant competitiveness from 1 (poor) to 8 (highly competitive)
ESTABLISHMENT
(ESTABLISHMENT) establishment rating from 1 (poor) to 8 (excellent)
ESTABLISHMENT_VARIATION
(ESTABLISHMENT_VARIATION) variation in establishment ratings at different locations from 1 (poor) to 8 (excellent)
Flowering and seed set
(Flowering and seed set) Estimate of seed production capacity
GRAZING_TOLERANCE
(GRAZING_TOLERANCE) rating on tolerance to grazing from 1 (low tolerance) to 8 (high tolerance to severe & repeated grazing)
LEAFINESS
(LEAFINESS) rating for above-ground leafiness from 1 (no leaf) to 8 (extremely leafy)
OUT_OF_SEASON_GREEN
(OUT_OF_SEASON_GREEN) rating for out-of-season greeness during non-growing period of species (normally winter for tropical forages)
PALATABILITY_DRY
(PALATABILITY_DRY) rating of palatability of plants when hayed off or dormant from 1 (very low) to 8 (very palatable)
PALATABILITY_GREEN
(PALATABILITY_GREEN) rating on palatability of plants when green and actively growing from 1 (very low) to 8 (very palatable)
PASTURE_POTENTIAL
(PASTURE_POTENTIAL) rating for pasture potential 1 (no potential because seedlings died or serious weed) to 8 (high potential on broad scale)
PERSISTENCE
(PERSISTENCE) persistence rating from 1 (poor) to 8 (excellent)
RATE_OF_SPREAD
(RATE_OF_SPREAD) assessment how accessions spreads from 1 (negligible) to 8 (like bad weed)
SEED_PRODUCTION
(SEED_PRODUCTION) rating for seed production from 1 (poor) to 8 (excellent)
TOXICITY
(TOXICITY) rating of toxicity to animals from 1 (no problems) to 8 (highly toxic at all times to mammals)
Trait Agronomic Value
(Trait Agronomic Value) Subjective rating (one to five ) based on the overall appearance of an accessions agronomic potential
Trait Agronomic Value Comment
(Trait Agronomic Value Comment) Comment for trait agronomic value
Category: STRESS
DROUGHT_TOLERANCE
(DROUGHT_TOLERANCE) rating of drought tolerance from 1 (poor) to 8 (excellent)
FROST_TOLERANCE
(FROST_TOLERANCE) rating of plant frost tolerance from 1 (killed by light frost) to 8 (not killed by repeated serve radiation frosts)
WATERLOGGING_TOLERANCE
(WATERLOGGING_TOLERANCE) tolerance to waterlogging from 1 (poor tolerance to any waterlogging) to 8 (tolerant of deep sily water)
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