Plant
No
1

Rice
Characters

Culm length428
No. of samples
5 plants

Primary essential character

Methods
Measurement

Rank or measurement unit

Remarks
Distance from ground level to the base of the

cm (integer)

longest culm
2

Panicle length

5 plants

Measurement

cm (round

Distance from the base to the tip of panicle on

to the 1st decimal place)the longest culm
3

Number of panicles

5 plants

Measurement

Number per plant (roundplace)4

Apiculus color

Block

Observation

1:Straw 2:Tawny 3:Brown 4:Red brown
red 6:Red 7:Light purple 8:Purple
9:Blackish purple

5Grain length

5 grains

Measurement

mm (roundto the 1st decimal

Number of productive panicles at ripening stage

5:Light At three weeks after heading

to the 1st decimal place)

Using a projector or dialgauge as the distancefrom the base of the sterile lemma to the tipof the fertile lemma or palea

6

Grain width

5 grains

Measurement

mm (roundto the 1st decimal place)

Use a projector or dialgauge to measure themaximum distance across lemma and palea

7

Brown rice length

5 grains

Measurement

mm (roundto the 1st decimal place)

Use a projector or dialgauge to measure thelength of brown rice

8Brown rice width

5 grains

Measurement

mm (roundto the 1st decimal place)

Use a projector or dialgauge to measure themaximum width of brown rice

9

Endosperm type

Block

Observation

2:Non-glutinous

8:Glutinous

Reaction to potassium iodide solution orvisually

10

Heading date

Block

Observation

date

Heading date corresponds to the day when 50% of
the plants in an accession headed

11

Lemma and palea color

Block

Observation

1:Straw 2:Yellow 3:Gold 4:Reddish yellow toorange 5:Brown 6:Reddish brown 7:Purple
8:Black 9:OtherAt three weeks after heading

PlantNo

RiceCharacters

428
No. of samples

Primary essential character

Methods

Rank or measurement unitRemarks

12

Presence of awn

BlockObservation

0:Absent 1:Extremely scarce 2:Very scarce
3:Scarce 4:Slightly scarce 5:Intermediate
6:Slightly abundant 7:Abundant 8:Extremely
abundant 9:Completely

Scarce:10%, Intermediate:25%, Abundant:40%

13

Awn length

Block

Observation

1:Very short
9:Very long

Short:2 cm, intermediate:4 cm, long:6 cm

14

Distribution of awns

BlockObservation

1:Tip only

15

1,000 grain weight

1,000 grains

Measurementg (round3:Short

5:Intermediate

3:Upper half only

7:Long5:Whole length

to the 1st decimal place)PlantNo

RiceCharacters

428
No. of samples

Primary optional characterMethods

Rank or measurement unit

Remarks

1

Plant type

BlockObservation

2:Super panicle weight type 3:Panicle weighttype 4:Rather panicle weight type
5:Intermediate type 6:Rather panicle number
type 7:Panicle number type 8:Super panicle
number type2

Culm thickness

BlockObservation

2:Very thin 3:Thin 4:Slightly thin
5:Intermediate 6:Slightly thick 7:Thick
8:Very thickAt ripening stage

3

Culm hardness

BlockObservation

2:Very hard 3:Hard 4:Slightly hard
5:Intermediate 6:Slightly soft 7:Softsoft

At ripening stage
8:Very4

Leaf blade pubescence

BlockObservation

0:Glabrous 1:Very scarce 2:Scarce 3:Little
4:Slightly little 5:Intermediate 6:Slightlyabundant 7:Abundant 8:Very abundant
9:Extremely abundant

At tillering stage

5

Flag leaf angle

Block

Observation

2:Erect 3:Semi-erect 4:Slightly semi-erect
5:Intermediate 6:Slightly descending 7:Semidescending 8:Descending

At dough-ripening stage

6Leaf blade colorBlock

Observation

1:Yellow 2:Yellowish blotched 3:Light green
4:Green 5:Dark green 6:Purple blotched
7:Purple margin 8:Purple 9:OtherAt tillering stage

7

Basal leaf sheath color Block

Observation

1:Yellow 2:Yellowish blotched 3:Light green
4:Green 5:Dark green 6:Purple blotched
7:Purple margin 8:Purple 9:OtherAt tillering stage

8

Spikelet density

Measurement(roundNumber of spikelets per 10 cm of panicle axis

5 plants

to the 1st decimal place)using a panicle on the longest culm
910

Panicle exsertionPanicle type

Block

Block

Observation

Observation

2:Very short 3:Short 4:Slightly short
5:Intermediate 6:Slightly long 7:Longlong
1:Lanceolate
9:Open3:Spindle

5:Clavated

The distance from the top of the flag leaf
8:Very sheath to the panicle base

7:Broom

Based on the type of branching, angle ofprimary branches and spikelet density

PlantNo
11

Rice
Characters

428
No. of samples

Pubescence of lemma and Block

Primary optional character

Methods

Rank or measurement unit

Remarks

Observation

0:None 1:Rare 2:Scarce 3:Little 4:Slightly
little 5:Intermediate 6:Slightly abundant
7:Abundant 8:Very abundant 9:Extremelyabundantpalea

12

Sterile lemma color

BlockObservation

1:Straw13

Phenol color reaction

5 grains

Observation

0:Negative

2:Gold3:Red

At ripening stage

4:PurpleDip grains into 1.5% phenol solution for 6

9:Positive

hours and dry slowly
14

Awn color

Block

Observation

1:Straw 2:Yellowish brown 3:Brown 4:Reddishbrown 5:Light red 6:Red 7:Light purple
8:Purple 9:Blackish purple

15

Seed coat color

BlockObservation

1:White 2:Light brown 3:Variegated brown
4:Dark brown 5:Light red 6:Red 7:Variegatedpurple 8:Purple 9:Dark Purple/black16

Hue of brown rice

Block

Observation

2:Very light 3:Light 4:Slightly light
5:Intermediate 6:Slightly dark 7:Darkdark

17

Maturity date

BlockObservationdate

At ripening stage

8:VeryThe date when more than 90% of grains on
panicles become ripe

18

Days from the firstBlock

Calculation

Days (integer)

Number of days calculated by subtracting theheading to the full

date of head emergence from the date of fullheadingheading

PlantRiceNoCharacters

1

Estimated genotype for428
No. of samples
Block

Secondary essential character

Methods

Rank or measurement unit

Remarks
Judging from the reaction pattern of rice

Measurement

blast resistanceseedlings to blast races. The genotypes of theresistance are estimated.

2

Field resistance toBlock

Obs.&Measr.

leaf blast
3

Varietal group of

1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Lowlow

9:VeryBlock

Measurement

1:Kinmaze group 2:Kogyoku group 3:Rantai Emasgroup 4:Wase Aikoku group 5:Jawa 14 group

BlockObs.&Measr.

1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
lowbacterial blightresistance4

Field resistance tobacterial blight5

Resistance to stripe

BlockObs.&Measr.

1:High9:Low

6Resistance to green

BlockObs.&Measr.

1:High9:Low

BlockObs.&Measr.

1:High

9:Low

Block

Obs.&Measr.

1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
low

9:Veryrice leafhoppers
7

Resistance to brownplanthoppers

8

9Drought resistance

Damaged type cold

Block

Measurement

tolerance
10

Delayed type cold

Block

Measurement

tolerance
11

Lodging tolerance

BlockObservation

By field test at seedling stage under drought
9:Very0:Super high 1:Very high 3:High 4:Slightly
high 5:Intermediate 6:Slightly low 7:Low
9:Very low
1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
low
1:Very high3:High5:Intermediate
low

7:Low

By low temperature treatment at panicle
development stage

9:VeryJudging from the lodging score by the time and4:Slightly high

6:Slightly low

condition

9:Verythe degree of occurrencePlantNo
12

Rice
Characters

Viviparity428
No. of samples
3 panicles

Methods
Measurement

Secondary essential characterRank or measurement unit
1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
lowRemarks
Using panicles of 35 days after heading stage
9:VeryPlantNo
1

Rice
Characters

Resistance to428
No. of samples
Block

Secondary optional character

Methods
Observation

Helminthosporium leaf

Rank or measurement unit
1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
lowRemarks

9:Veryspot
2

Resistance to dwarf

Block

Observation

1:High3

Resistance to rice

Block

Observation

1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
low

9:Very1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Lowlow

9:Very1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
low

9:Very1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
low

9:Verywaika virus
4

Resistance to sheath

Block

Observation

blight5

Resistance to rice stem Block

Observation

maggots
6

Resistance to rice

Block

Observationwater weevils

9:Very low

7

Salinity tolerance

BlockObservation

3:High8

Low temperature

BlockMeasurement

1:Very high 3:High 4:Slightly high
5:Intermediate 6:Slightly low 7:Low
lowgerminability

5:Intermediate

7:Low
Germination percentage of seeds at 12 centi
9:Verydegrees for 10 days. High:70%,
intermediate:50%, low:30%

PlantNo

Rice
Characters

428
No. of samples

Tertiary essential character

Methods

Rank or measurement unit

Remarks

1

Yield

Block

Measurement

kg/a (roundto the 1st decimal place)

Brown rice weight2

Panicle threshability

BlockObservation

2:Very hard 3:Hard 4:Slightly hard
5:Intermediate 6:Slightly easy 7:Easyeasy

At ripening stage
8:Very3Grain appearance

BlockObservation

1:Extremely bad 2:Very bad 3:Bad 4:Slightlybad 5:Intermediate 6:Slightly good 7:Good
8:Very good 9:Excellent

4

Grain luster

BlockObservation

2:Very low 3:Low 4:Slightly low
5:Intermediate 6:Slightly high 7:Highhigh

8:Very2:Very low 3:Low 4:Slightly low
5:Intermediate 6:Slightly high 7:Highhigh

8:Very2:Very low 3:Low 4:Slightly low
5:Intermediate 6:Slightly high 7:Highhigh

8:Very5

Amount of white belly

BlockObservation

grains6

Amount of cracked

Block

Observation

grains7

Eating quality

Block

Measurement

1:Excellent 2:Very good 3:Good 4:Slightly
good 5:Intermediate 6:Slightly bad 7:Bad8:Very bad 9:Extremely bad

PlantNo

RiceCharacters

428
No. of samples

Tertiary optional character

Methods

Rank or measurement unit

1

Top dry weightBlock

Measurement

kg/a (round2

Amount of white core in Block

Observation

2:Extremely few 3:Very few 4:Few
5:Intermediate 6:Some 7:Many 8:Very many

Observation

2:Very small 3:Small 4:Somewhat small
5:Intermediate 6:Somewhat large 7:Large
8:Very large

Measurement% (roundto the 1st decimal place)

Measurement% (roundto the 1st decimal place)

Measurement

2:Absent

8:Presentgrains
3

Size of white core inBlockgrains
4

Amylose content into the 1st decimal place)endosperm
5

Protein content inendosperm

6

Presence or absence oflipoxygenase-3 in grain

7

Gelatinization property

Measurement

8

Content of K, P, Mg,

Measurement

Ca, Na, Zn, Fe and Cu
in endosperm

Remarks
At ripening stage