FIELD OBSERVATION CRITERIA FOR SUGAR CANE
1.
Perkecambahan (Germination)
|
Scale
|
Criteria
|
Percentage
|
 1
2
 3
4
 5
6
 7
8
9
|
Sangat
bagus (very good)
Bagus (good)
Sedang (medium)
Jelek (bad)
Sangat jelek
(very bad)
|
> 90 - 100
> 80 - 90
> 70 - 80
> 60 - 70
< 60
|
2. Anakan (Tillering Ability)
|
Scale
|
Criteria
|
Jml anakan/rumpun
(Tillering ability)
|
 1
2
 3
4
 5
6
 7
8
9
|
Sangat banyak
(planty)
Banyak (Many)
Sedang (medium)
Sedikit (few)
Sangat sedikit
(very few)
|
8 – 9
6 – 7
4 – 5
2 – 3
1
|
3 . Populasi (Population)
|
Scale
|
Criteria
|
Jml. batang / meter
(No of Stalk /meter)
|
|
1
2
3
4
5
6
7
8
9
|
Sangat tinggi
(very high)
Tinggi (high)
Sedang (medium)
Rendah (low)
Sangat rendah
(very low)
|
> 12
10 – 12
8 – 10
6 – 8
< 6
|
4. Diameter Batang (Stalk Diameter)
|
Scale
|
Criteria
|
Diameter stalk (mm)
|
|
1
2
3
4
5
6
7
8
9
|
Sangat besar
(very big)
Besar (big)
Sedang (medium)
Kecil (litle)
Sangat kecil
(very litle)
|
> 35
> 25 -
35
> 20 - 25
> 7.5 - 20
< 7.5
|
5. Penggabusan Batang (Pith)
|
Scale
(Top, Midlle, Base)
|
Criteria
|
|
No Pith
|
0
|
|
< 1/5 part of stalk radius
1/5 part of stalk radius
> 1/5 part of stalk radius
|
1-
1
1+
|
|
< 2/5 part of stalk radius
2/5 part of stalk radius
> 2/5 part of stalk radius
|
2-
2
2+
|
|
< 3/5 part of stalk radius
3/5 part of stalk radius
> 3/5 part of stalk radius
|
3-
3
3+
|
|
< 4/5 part of stalk radius
4/5 part of stalk radius
> 4/5 part of stalk radius
|
4-
4
4+
|
|
< 5/5 part of stalk radius
5/5 part of stalk radius
> 5/5 part of stalk radius
|
5-
5
5+
|
6. Lubang (Pipe
tube)
|
Scale
( Top, Midlle, Base)
|
Criteria
|
|
No Pipe
|
0
|
|
< 1/5 part of stalk radius
1/5 part of stalk radius
> 1/5 part of stalk radius
|
1-
1
1+
|
|
< 2/5 part of stalk radius
2/5 part of stalk radius
> 2/5 part of stalk radius
|
2-
2
2+
|
|
< 3/5 part of stalk radius
3/5 part of stalk radius
> 3/5 part of stalk radius
|
3-
3
3+
|
|
< 4/5 part of stalk radius
4/5 part of stalk radius
> 4/5 part of stalk radius
|
4-
4
4+
|
|
< 5/5 part of stalk radius
5/5 part of stalk radius
> 5/5 part of stalk radius
|
5-
5
5+
|
7. Tinggi Batang (Length of stalk)
|
Scale
|
Criteria
|
Length of stalk (cm)
|
|
1
2
3
4
5
6
7
8
9
|
Sangat tinggi
(very long)
Tinggi (long)
Sedang (medium)
Pendek (short)
Sangat pendek
(very short)
|
> 350
> 300 – 350
> 250 – 300
> 150 - 250
< 150
|
8. Sogolan (water shoot / bull shoot)
|
Scale
|
Criteria
|
Jumlah sogolan / meter
(No of water shoot / meter)
|
|
1
2
3
4
5
6
7
8
9
|
Sangat
Sedikit(very few)
Serdikit (few)
Sedang (medium)
Banyak (many)
Sanggat Banyak
(planty)
|
0 - 1
2 - 3
4 - 5
6 - 7
.> 8
|
Note : Pengamatan sogolan dilakukan umur 9 bulan (Observation start nine month age).
9. Siwilan (Side Shoot)
|
Scale
|
Criteria
|
Jml. Siwilan / batang
(No of side shoot / stalk)
|
|
1
2
3
4
5
6
7
8
9
|
Tanpa (zero)
Sedikit (few)
Sedang (medium)
Banyak (many)
Sangat Banyak
(planty)
|
0
1 – 2
3 - 4
5 – 6
> 6
|
Note : Siwilan yang disebabkan oleh borer tidak
dihitung (Side shoot caused by borer not
include)
10. Akar gantung (Side
Root)
|
Skala
|
Criteria
|
Jml. Ruas yang berakar / batang
(No of internode have side root / stalk)
|
|
1
2
3
4
5
6
7
8
9
|
Sangat Sedikit
(very few)
Sedikit (few)
Sedang (medium)
Banyak (Many)
Sangat Banyak
(planty)
|
0
1 - 2
3 - 4
5 - 6
> 6
|
11. Batang mati (dead
stalk)
|
Skala
|
Criteria
|
Percentage
|
|
1
2
3
4
5
6
7
8
9
|
Sanggat sedikit
(very few)
Sedikit (few)
Sedang (medium)
Banyak (Many)
Sangat Banyak
(planty)
|
< 3
3 - 7
8 - 10
11 - 15
> 15
|
Note :
Panjang sample minimal 10 meter (minimal
sample with in 10 meter)
12. Derajat
Kerobohan (Lodging degree)
|
Scale
|
Criteria
|
degree
|
|
1
2
3
4
5
6
7
8
9
|
Tegak (Erect)
Agak condong
(rather incline)
Condong (
incline )
Roboh (
Lodging)
Sangat roboh
(Very Lodging)
|
0 - 15
> 15 - 35
> 35 - 55
> 55 - 75
> 75 - 90
|
13. Persentase Kerobohan (Lodging
percentage)
|
Skala
|
Criteria
|
percentage
|
|
1
2
3
4
5
6
7
8
9
|
Sangat
Sedikit (very few)
Sedikit (few)
Sedang (medium)
Banyak (Many)
Sangat Banyak
(planty)
|
< 5 %
5 – 10
10 – 15
15 – 20
> 20
|
Note :Tebu roboh adalah tebu yang miring > 50
derajat (Lodging is sugar cane lodge >
50 degree
14. Pembungaan (Flowering)
|
Scale
|
Criteria
|
Percentage
|
|
0
 1
2
 3
4
 5
6
7
8
9
|
Tidak berbunga
(No flower)
Sangat Sedikit
(very few)
Sedikit (few)
Sedang (medium)
Banyak (many)
Sangat banyak
(planty)
|
0
< 5
> 5 - 20
> 20 - 40
> 40 – 80
>80
|
15. Kebersihan Daun (Leaf
Deseases)
|
Scale
|
Criteria
|
Percentage of desease Symptom
|
|
0
1
2
3
4
5
6
7
8
9
|
Tidak
ada penyakit (No Desease)
Sangat Bersih (very clean)
Bersih (clean)
Sedang (medium)
Kotor (dirty)
Sangat kotor (very dirty)
|
0
< 5
> 5 - 20
> 20 - 40
> 40 – 80
>80
|
Note : Daun kotor
akibat serangan penyakit (Leaf Dirty
causes by deseases symptom)
16. Retakan tumbuh (Number
of crack internode)
|
Scale
|
Criteria
|
Jumlah ruas retak/btg
(No of internode crack / stalk)
|
|
1
2
3
4
5
6
7
8
9
|
Sangat sedikit
(very few)
Sedikit (few)
Sedang (medium)
Banyak (Many)
Sangat Banyak
(planty)
|
0
1 – 2
3 - 4
5 – 6
> 6
|
17. Sifat Penggulungan Daun (Characters
of rolling leaf)
|
Skala
|
Criteria
|
|
0
1
|
Tidak menggulung (No Rolling leaf)
Menggulung (Rolling )
|
Note : Diamati pada saat matahari terik/Observe when sunny
18. Vigor Tanaman (Overall vigor of growing)
|
Scale
|
Agronomic Performance
|
|
1
2
3
4
5
6
7
8
9
|
Sangat
Bagus (Very good)
Bagus (good)
Sedang (medium)
Jelek (bad)
Sangat Jelek
(very bad)
|
19. Kualitas (Quality)
|
Scale
|
Criteria
|
% Brix
|
% Pol
|
% Rendement
|
 1
2
 3
4
5
6
 7
8
9
|
Sangat tinggi (very high)
Tinggi (high)
Sedang (medium)
Rendah (low)
Sangat rendah (very low)
|
> 22
20 – 22
18 – 20
16 – 18
< 16
|
> 18
> 16 - 18
>14 - 18
> 12 - 14
< 12
|
> 8.5
> 7.5 - 8.5
> 6.5 - 7.5
> 5.5 - 6.5
< 4
|
20. Ton Cane per Hektar (TCH)
|
Skala
|
Criteria
|
TCH
|
|
1
2
3
4
5
6
7
8
9
|
Sangat tinggi (very high)
Tinggi (high)
Sedang (medium)
Rendah (low)
Sangat rendah (very low)
|
> 110
> 90 -
110
> 70 -
90
> 50 -
70
< 50
|
21. Sifat Pengelentekan Daun (Characters
of Detrashing)
|
Skala
|
Criteria
|
|
0
1
|
Mengelentek sendiri (Self Detrashing)
Tidak mengelentek (No Detrashing)`
|
