20 questions
Which of the characters make marigold an acceptable commercial crop?
Good keeping quality of flowers
Short duration
Attractive colours
All of the above
Which of the following crops is not a member of Asteraceae family ?
Chrysanthemum
Gladiolus
Marigold
Golden Rod
3. The pigment extracted from Marigold which is used in food industry is……………
Lutein
Anthocyanin
Chlorophyll
Xanthophyll
4. Marigold is given as a poultry feed
True
False
5. Marigold is used as a trap crop to control
Insects
Insects
Mites
Nematodes
Fungus
6. Marigold is __________
An Annual herb
A Perennial plant
A Herbaceous perennial
A shrub
7. Which cultivar of marigold show the following characters: Dwarf plant, Small flowers, flower colour yellow to mahagony red
African Marigold
French marigold
Inter-specific hybrids evolved between Tagetes erecta and Tagetes patula
Yellow and Red hybrids
Red and Gold hybrids
Gold and silver hybrids
Yellow and Orange Hybrids
Fill up
French Marigold variety : Star of India
African Marigold variety : ________________
Naughty
Hawaii
Harmony
Star of India
In Marigold,temperature above 35◦C leads to
Increase in flower size and number
Decrease in flower size and number
Frost Injury
Sun Burn
Marigold is commercially grown through
seeds
Terminal cuttings
Suckers
Stem cuttings
_________ old seedlings are ready for transplanting
25 days
30 days
15 days
20 days
Pinching in Marigold is done at
15 -20 days after transplanting
30 -45 days after transplanting
20 -25 days after transplanting
60 -75 days after transplanting
Leaves of Marigold are covered by a black sooty mould along with the attack of
Thrips
mealy bugs
mites
Hoppers
Colour breaking of marigold petals is the damage caused by
Mite
Damping off
Thrips
Aphids
The disease occurring only at seedling stage
Damping off
Root rot
Powdery mildew
Leaf spot
The Marigold plants are ready to harvest at
40 days after planting
50 days after planting
60 days after planting
45 days after planting
Flowers of marigold are harvested when they are
Half open
Three fourth open
Fully open
Bud Stage
Field should be irrigated before plucking flowers.
True
False
The best packing material for preserving the lutein content of marigold
CFB boxes
LDPE Pack
HDPE Pack
Bamboo baskets