描述符列表详细信息

Descriptors for pearl millet (Pennisetum glaucum (L.) R. Br.)

1993
作物
Pearl millet
发布者
IBPGR
文献引文

IBPGR and ICRISAT. (1993). Descriptors for pearl millet Pennisetum glaucum (L.) R. Br.. International Board for Plant Genetic Resources, Rome, Italy; International Crops Research Institute for the Semi-Arid Tropics, Pantacheru, India.

版本
1993

From the ground level to the tip of the spike. At dough stage

分类
特征描述符
数据类型
自由文本

Between the 3rd and 4th node from the top. At dough stage

分类
特征描述符
数据类型
自由文本

Recorded after thining to avoid the effect of the plant number scored 18 days after emergence

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Low
5
Medium
7
High

At head emergence

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Erect
5
Intermediate
7
Spreading

Total number of culms, including the main stem. At dough stage

分类
特征描述符
数据类型
数字

number of the spikes which bear seeds at dough stage. Spikes younger than the dough stage are not counted

分类
特征描述符
数据类型
数字

At dough stage

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Few
5
Intermediate
7
Many

Overall agronomic desirability of accession, At dough stage

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Poor
5
Intermediate
7
Good

At dough stage

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Low
5
Intermediate
7
High

Consider tillering, leafiness, and bulk. At dough stage

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Poor
5
Intermediate
7
Good

At dough stage, See fig 1

分类
特征描述符
数据类型
已编码
代码术语说明
1Cylinder, spike thickness more or less uniform throughout its length
2Conical, spike thickness maximum at the base, gradually tapering toward the apex
3Spindle, spike thickness maximum in the middle, gradually tapering toward both ends
4Club, maximum thickness of the spike at the apex, gradually tapering toward the base
5Candle, intermediate between cylindrical and conical. About 3/4 the length of the spike is cylindrical, gradually tapering toward the apex
6Dumb-bell, the characterstics spike of the souna type from Mali. Maximum spike thickness is at the base, gradually tapering to 2/3 of the spike and then increasing slightly
7Lanceolate, intermediate between spindle and conical. Maximum spike thickness is near the middle which tapers more towrds apex than base
8Oblanceolate, the opposite of lanceolate, maximum spike thickness is near the middle which tapers more toward the base
9Globose, almost spherical with spike length not more than twice the diameter
10OtherSpecify in the descriptor nores 4.5

At maturity

分类
特征描述符
数据类型
已编码
代码术语说明
1Spontaneous shattering
2Shattering at touch
3Non-shattering and free-threshing
4Non-shattering and difficult to thresh

At dough stage

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Short Bristles below the level of the apex of the seed
5
Medium Bristle length between 0 and 2 cm above the seed
7
Long Bristles longer than 2 cm above the seed

Number of days from field emergence to when 50% of plants flower. Stigma emergenve on the main spike is considered as flowering

分类
特征描述符
数据类型
自由文本

In respect of flowering being influenced by length of day

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Insensitive
5
Partly sensitive
7
Highly sensitive

At flowering (see flowering definition 4.2.4)

分类
特征描述符
数据类型
已编码
代码术语说明
1Short, continous flowering, duration less than 7 days
2Long, continous flowering, duration more than 7 days
3Discontinous flowering, two or more group flowering

At maturity

分类
特征描述符
数据类型
度量
3
4
5
6
7

Legend:

3
Nonsynchronous
5
Intermediate
7
Synchronous

At harvest (Cytoplasmic male sterillity A-1 type)

分类
特征描述符
数据类型
已编码
代码术语说明
1Non-restorationMaintainer
2Partial restorationAll plants shed poor pollen
3Complete restoration
4Segregating for restoration

Observed on the primary tiller, at dough stage

分类
特征描述符
数据类型
已编码
代码术语说明
1Negative exsertion
2Positive exsertion

Obsereved on the primary tiller. Recorded as the distance between the ligule of the flag leaf and the base of the spike. At dough stage

分类
特征描述符
数据类型
自由文本

At dough stage

分类
特征描述符
数据类型
数字
测量单位
cm

Maximum diameter of the spike, excluding bristles. At dough stage

分类
特征描述符
数据类型
自由文本

At maturity

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Loose
5
Intermediate
7
Compact

After threshing. RHS colour codes are given in parentheses beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1IvoryYellow-white grough 158 A
2CreamOrange-white group 159A
3YellowYellow group 8C
4GreyGrey group 201
5Deep greyBlack group 202B
6Grey brownBrown group 200
7BrownBrown group 200
8PurplePurple group 79B
9Purplish black
10A mixture of white and grey grainsOn the same spike

See fig. 2

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Exposed
5
Intermediate
7
Enclosed

See fig. 3

分类
特征描述符
数据类型
已编码
代码术语说明
1Obovate
2Oblanceolate
3Elliptical
4Hexagonal
5Globular

At 12% moisture content

分类
特征描述符
数据类型
自由文本

At 12% moisture content of 1000 seeds

分类
特征描述符
数据类型
自由文本

of 1000 seeds determined using alcohol

分类
特征描述符
数据类型
数字
测量单位
cm3
分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Mostly corneous
5
Partly corenous
7
Mostly starchy
分类
特征描述符
数据类型
已编码
代码术语说明
0Absent
+Present

Consider the spike number, size and density. seed number and size compared with standard control

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Low
5
Intermediate
7
High

From ligule tp the tip of the leaf on the 4th node below the head on the main tiller. At the head emergence

分类
特征描述符
数据类型
数字
测量单位
cm

At the widest point of the leaf on the 4th node of the main tiller. At head emergence

分类
特征描述符
数据类型
自由文本

At head emergence

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Erect
5
Intermediate
7
Pendant

At head emergence, RHS colour d=codes are given in parentheses beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1Light greenYellow-green group 146A
2GreenYellow-green group 147A
3Dark greenGreen group 137A)Yellow (yellow group 9B
4YellowYellow group 9B
5Red (gryed-red group 181A
6PurplePurple group 79B
7Variegated

From node to base of the ligule of the leaf on the 4th node below the head of the main stem. At head emergence

分类
特征描述符
数据类型
数字
测量单位
cm

At dough stage, RHS colour codes are given in parenthese beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1GreenYellow-green group 147A
2RedGreyed-red group 181A
3PurplePurple group 79B
4Variegated

At dough stage, RHS colour codes are given in parenthese beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1GreenYellow-green group 147A
2RedGreyed-red group 181A
3PurplePurple group 79B
4Variegated

At head emergence

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Glabrous
5
Sparsely hairy
7
Densely hairy

At maturity

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Slow
5
Intermediate
7
Fast

Distance between two successive 3rd and 5th leaf blades, ligule to ligule, divided by two. At dough stage

分类
特征描述符
数据类型
自由文本

On primary tiller. At dough stage

分类
特征描述符
数据类型
数字

Distance between 3rd and 4th nodes. At harvest

分类
特征描述符
数据类型
自由文本

At dough stage

分类
特征描述符
数据类型
已编码
代码术语说明
0Absent
+Present

At dough stage

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Insipid
5
Intermediate
7
Sweet

At dough stage

分类
特征描述符
数据类型
已编码
代码术语说明
1Green
2Red
3Purple
4Brown

At dough stage

分类
特征描述符
数据类型
已编码
代码术语说明
1Green
2Red
3Purple
4Brown
5White

At flowering

分类
特征描述符
数据类型
已编码
代码术语说明
0Absent
+Present

At flowering

分类
特征描述符
数据类型
已编码
代码术语说明
0Absent
+Present

At rachis mid-point

分类
特征描述符
数据类型
自由文本
分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Sparse
5
Intermediate
7
Dense
分类
特征描述符
数据类型
已编码
代码术语说明
1Covered
2Exposed

at mid-point of the rachis

分类
特征描述符
数据类型
数字
测量单位
mm

Average number recorded at the middle of the spike

分类
特征描述符
数据类型
数字

At dough stage. RHS colour codes are given in parentheses beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1GreenYellow-green group 147A
2Tan tips
3Light red
4RedGreyed-red group 181A
5PurplePurple group 79B

See fig.4

分类
特征描述符
数据类型
已编码
代码术语说明
1ScabrousRough
2CiliateWith fine hairs
3PlumoseFeathery

See fig.5

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Short
5
Intermediate
7
Long

See fig.6

分类
特征描述符
数据类型
度量
0
1
2
3
4
5
6
7
8
9

Legend:

3
Sparse
5
Intermediate
7
Dense

At dough stage. RHS colour codes are given in parentheses beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1Light greenYellow-green group 146A
2Tips red
3RedGreyed-red group 181A
4Tips purple
5PurplePurple group 79B

Before anther dehiscence. RHS colour codes are given on parentheses beside the descriptor states

分类
特征描述符
数据类型
已编码
代码术语说明
1GreenYellow-green group 147A
2Cream yellow
3YellowYellow-group 9B
4BrownBrown group 200
5PurplePurple group 79B

At flowering

分类
特征描述符
数据类型
已编码
代码术语说明
0Absent
+Present

Number and types of florets per spikelet at the mid-point of the rachis. (With dissection of the florets) At stigma emergence

分类
特征描述符
数据类型
已编码
代码术语说明
1One floret-perfect
2Two florets-one perfect
3Two florets-one perfect and one male
4Two florets-two perfecr
5More than two perfect florets
分类
特征描述符
数据类型
已编码
代码术语说明
1Non-mucronate
2Mucroonate
分类
特征描述符
数据类型
已编码
代码术语说明
1Smooth
2Wrinkled
分类
特征描述符
数据类型
数字
测量单位
% DW
分类
特征描述符
数据类型
数字
测量单位
% DW
分类
特征描述符
数据类型
数字
测量单位
% DW
分类
特征描述符
数据类型
数字
测量单位
% DW