Broccoli

Question 1

1.Broccoli
scientific name family
varieties
broccoli is known as the ………………………………..

Answer 1

1.brassica oleracea italica group
family-crucifereae
varieties-heading types(brassica oleracea italica)
sprouting(brassica oleracea)
Crown Jewel of nutrition
rich vitamins,minerals,proteins,

Question 2

1.characteristics
2.diseases and pests
3varieties in Bhutan-

Answer 2

1.annual crop
head of broccli is a cluster of flower buds with large stalks and hard internode.the plant produces axillary flowering shoots
in addition to termical inflorescence.

2.pest-Aphids and cutworm
diseases- black rot,soft rot, powdery mildew and downy Mildew,
3.Desica
matues between 45-50 days
produces a main stem with many side shoots.
italica heirloom variety
bliushrgreen in colour.

Question 3

1.nutritional value

Answer 3

1. contains high amaount of antioxidants including luiten,sulforaphine,indole,beta caratotene
   antiviral and anti cancer agents which reduces the risk of colon,lung and breast cancer
   reduces blood cholestrol and blood sugar as it has high amount of chromium

Question 4

2.soil and climate requirements

Answer 4

temperature of 25 degree celsuis and night of 15.5 degree celsius
well drained ,fertile,soil with high content of organic matter.
light soil encourages early development and heavy soil with high quality over longer period of time when matured.
canbe grown any where requires cool whether for sprouting it needs long day light with light frost at night.

Question 5

1.bed prepraration and sowing

Answer 5

prepare a bed of 1m wide and 15-20 cm height. the bed should be ploughed 2-3 times followed by planking.
keep a distance of 45 cm between plants to plants and 60 cm row to row.plant the seeds at a depth of 0.5 cm. at a distance of 10 cm it should first sown in a green house,when reaches a height of 12 cm it should undergo hardening before transplantation.