Questions

Answer

1

Botanical name

Saccharum officinarum (Tropical cane)

Saccharum barberi (Indian cane)

2

Botanical name of wild cane

Saccharum spontaneum

Saccharum robustum

3

Family

Graminae

4

Origin of Sugarcane

Indo-Burma

5

Inflorescence of sugarcane is called

Arrow / Open panicle

6

Sugarcane bowl of world

Cuba

7

Wonder cane

COC-671 (Highest sugar percent)

8

Sugarcane is propagated through

Setts

9

Sucrose percent in sugarcane

13 – 24 %

10

Sugar bowl of India

Uttar Pradesh

11

Arrowing stage of sugarcane begins at

300 – 350 Days After Planting

12

Most critical stage of irrigation for sugarcane is

Formative stage

13

Germination phase of sugarcane begins at

0 – 60 Days After Planting

14

Maturity phase of sugarcane begins at

250 – 365 Days After Planting

15

Formative stage of sugarcane comes after

60 – 130 Days After Planting

16

Brix meter is used for measuring

Maturity of Sugarcane

17

Noble cane is

Saccharum officinarium

18

Roots of sets are

Temporary roots

19

Sowing time of Eksali sugarcane

Jan – Feb 

20

Sowing time of Adsali sugarcane

June - July

Questions

Answer

21

Duration of Adsali cane is

16 – 18 months

22

Sugar content in sugarcane juice is

6 – 10 %

23

Optimum soil pH required for sugarcane

6.5 – 7.5

24

Temperature requirement for sugarcane

28 - 32°C

25

Wild type cane

Saccharum spontaneum

26

Zero tillage is practiced in

Sugarcane

27

Semi root parasitic weed of sugarcane

Striga sp.

28

Average sugar recovery content of sugarcane

11 %

29

Sugarcane byproduct

Bagasse & Mollases

30

Nutrient responsible for translocation of sugar in sugarcane

Potassium

31

Sugarcane is considered as mature when Brix reading ranges between

18 – 20 %

32

Tying & Wrapping in sugarcane is done to prevent

Lodging

33

Furrow method of sugarcane planting is adopted in

Tamil Nadu

34

Flat bed method of sugarcane planting is adopted in

North India

35

Trench method of sugarcane planting is suitable for

Coastal areas

Questions

Answer

36

AICRP on sugarcane was started in

1970 – 71

37

AICRP on sugarcane is at

Lucknow (UP)

38

Sugarcane Breeding Institute (SBI) located at

Coimbatore

39

National Sugar Institute (NSI) located at

Kanpur

40

Indian Institute of Sugarcane Research (IISR) located at

Lucknow

41

High salt tolerant crop

Sugarcane

42

Earthing up in sugarcane is done after

4 months of planting

43

Hormone used for sugarcane ripening is

Ethephon / Glyphosate

44

Tying of sugarcane is done in the month of

August

45

Row to Row spacing in sugarcane

90 cm

46

Sugarcane setts are usually treated with

Agallol, Areton

47

Flowering in sugarcane is controlled using

Ethrel

48

Latest planting method developed for sugarcane planting by TNAU is

Pit method

49

Nobalization of sugarcane was done by

Venkataraman

50

Partha method was developed by

Parthasarathy

51

Sugarcane cultivation method suited for saline water / soil condition is

Modified Trench Method

52

Press-mud contains

Ca – 21-30 %

Si – 9.5-9.9 %

53

Molasses contains

Sucrose – 35 %

Fructose – 9 %

Glucose – 12 %

Ash – 12 %

Water – 20 %

54

Seed / Sett rate of sugarcane

3 Budded – 35,000 – 40,000 setts/ha

2 Budded – 80,000 setts/ha

1 Budded – 1,20,000 setts/ha

55

Sugarcane is also called

Cash crop, C₄ plant, Heavy feeder crop, Short day plant

Questions

Answer

56

Dangerous disease of sugarcane is

Red rot disease

57

Red rot of sugarcane is caused by

Colletotricum falcatum 

58

First sugarcane variety

Co-205

59

Tying the canes using lower bottom leaves is called

Propping

60

Removal dried and older leaves of sugarcane is called

Detrashing

61

Removal of field residue after harvesting sugarcane is called

Trashing

62

Pahla blight of sugarcane is due to the deficiency of

Manganese

63

Leaf bleaching in sugarcane is due to

Iron

64

Essential element for sugar translocation in sugarcane is

Potassium

65

Red stripe of sugarcane is caused by

Pseudomonas rubrilinus

66

Sugarcane smut is caused by

Ustilago scitamia

67

Grassy shoot of sugarcane is caused by

Phytoplasma

68

Whip smut of sugarcane is caused by

Ustilago hordei

69

Most commonly used herbicide in sugarcane is

Simazne, Atrazine, Alachlor

70

Wonder cane - varieties

CoC-671, CO-419

Sugarcane insect pest and diseases are posted in Entomology and Pathology Section