Questions

Answers

1

Botanical name of Rose

Rosa sinensis

2

Family of Rose

Rosaceae

3

Origin of Rose

Central Asia

4

Chromosome number of Rose

2n=14

5

Rose fruit type is

Hips

6

Rose seed is called as

Acenes

7

Rose crop is called as

Queen of Flowers

8

Rose is considered as a National Flower of

England & Iran

9

Red color of Rose is due to

Anthocyanin pigment

10

Most commonly used root stock of Rose is

Rosa multiflora & 

Rosa indica

Questions

Answers

11

Shelf life of Rose flower is increased by

Pulsing treatment

12

Scientist who pioneered in Rose Breeding  is

Dr. B P Pal

13

Best suited rooting media for Rose cultivation is

Sand

14

Best suitable soil pH for Rose cultivation is

6.0-7.5

15

Best time for Rose planting is

September – October

16

Rose is commercially propagated through 

T-budding

17

Most suited growth regulators for improving roots in Rose crop is

IBA / NAA 

18

Spacing requirement for Rose cultivation is

60 x 60 cm

19

Spacing requirement of Rose for cut flower production is

60 x 30 cm

20

Inorganic fertilizer requirement for Rose cultivation 

100 N: 100 P: 70 K

21

Gulkand is prepared by mixing Rose petal & sugar in the ratio of

1:1

22

Father of Rose Breeding

B S Bhattachaterjee

23

Spacing requirement for Floribunda Rose type

60 x 90 cm

24

Spacing requirement for Hybrid Tea type Rose

75 x 90 cm

25

Hybrid Tea Rose variety

Pusa Mohit,

Thornless,

Suchitra,

Gladiator,

Keneddy,

Superstar

26

Miniature Rose variety

Red flush,

Pixie,

Baby coldstar,

Cri-Cri

27

Floribunda Rose variety

Banjara,

Red gold,

Iceberg,

Sea pearl,

Queen Elizabeth

28

Polyantha Rose variety

Flamboyent,

Echo,

Snow princess

29

Rambler Rose variety

Dorothy,

American Pillar,

Excelsa

30

Climbers Rose variety

Golden shower,

Royal gold,

Delhi white pears

31

Shrub type Rose variety

Cocktail,

Butterfly wings,

Fountain

Special Practices in Rose

Pinching

Removal of terminal growing portion of Rose plant to reduce the plant height and increase the lateral branching

Deshooting

Mainly done in hybrid rose variety to increase the yield upto 50-75%

Defoliation

Removal of leaves during pinching using chemicals to improve the flower production

Disbudding

Removal of undesired buds keeping only central bud intact

Bending

It is practiced in 3 months old plants to induce new sprouts

Wintering (Root pruning)

Practice is followed to induce early flowering

Rose crop insect pest and diseases are posted in Entomology and Pathology Section