Questions

Answers

1

Botanical name of African Marigold

Tagetes erecta

2

Botanical name of French Marigold

Tagetes patula

3

Family of Marigold

Compositae / Asteraceae

4

Origin of Marigold

Mexico

5

Chromosome number of African Marigold

2n=24

6

Chromosome number of French Marigold

2n=48

7

Optimum soil pH requirement for Marigold cultivation is

7.0-7.5

8

Flowering nature of French Marigold is

Profuse type

9

Marigold is a

Cross Pollinated crop

10

African Marigold is also known as

Rose of India

Questions

Answers

11

Best suited soil for Marigold cultivation is

Loamy soil

12

Percent oil content present in the matured Marigold flower is

1.25 %

13

Marigold is commercially propagated through

Seeds

14

Seed rate requirement for Marigold cultivation is

1-1.5 kg/ha

15

Inorganic fertilizer requirement for Marigold cultivation is

100 N: 50 P: 50 K kg/ha

16

Optimum spacing requirement for Marigold cultivation is

60 x 60 cm / 

45 x 45 cm

17

Nipping / Tipping in Marigold is followed at

30 Days After Planting

18

Removal of terminal portion in Marigold to enhance multiple branching is called as

Nipping / Tipping

19

The person who extensively worked on Marigold crop is

S.P.S. Raghava

20

Type of sterility most commonly seen in Marigold crop is

Genetic Male Sterility

21

Open pollinated variety of Marigold is

Pusa Basanti

22

Time required for the Marigold seedlings to transplanting is

30 days /

1 Month 

23

Type of self incompatibility seen in Marigold plant is

Protandry

24

Average yield of African Marigold flower is

11-18 t/ha

25

Average yield of French Marigold flower is

8-12 t/ha

26

African Marigold varieties

Yellow supreme,

Happiness,

Hawal,

Primrose,

New Alaska

27

French Marigold varieties

Harmony,

Red Bokardo,

Star of India,

Rusty red,

Lemmon drops

28

Triploid variety of Marigold is

Nugget

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