Cultivation of coconut
· Botanical name .= cocus nucifera l
·
Family= Arecaceae
·
Chromosome
number= 2n=32
·
Origin
place= south east asia
(malasia or indonasia)
·
Edible
part=nut (endosperm)
·
Type of
fruit= one seeded
drupe
·
Type of
inflorescence=spadix
·
Type of
plant= palm(monoesious)
·
Type of
pollination= Tall(cross),
Dwarf(self)
·
Commercial
propogation= seed
·
Highest
production in world= Indonasia
·
Highest
production in india= Kerla
·
mainly
coconut are two type-
1.
Tall
type- Cocos nucifera V. typica
o 15-18m long
o Germination – 95 days
o Bearing age – 7-10 year
o Pollination- cross
o Yield- 66 nuts /plant
o Variety= east cost tall,west cost tall, kalpa
mitra,kalpa thenu,kalpa haritha,chandra kalpa etc.
2.
Dwarf
type= cocos nucifera V. nana
o
5-7 m
long
o
Germination=49-61
days
o
Bearing
age= 3-4 year
o
Pollination
= self
o
Yield = 66-91
nut /palm
o
Variety=
chawghat orange dwarf,chawghat green dwarf,Malayan orange dwarf ,Malayan green
dwarf, Malayan yellow dwarf, kalpa raksha,kalpa shree,kalpa jyothi etc.
·
it is
also called kalpavriksha , tree of heaven, tree of life.
·
“Coco”
is Spanish word it means “monkey face”.
· It is a heliotropphic* plant
·
*heliotrophic=
loves sunshine “flower that track the sun is called heliotrophic plant.(coconut
require 2000hr sunshine/year).
·
. Male flowers are numerous small with
six stamens and in female flowers, the ovary is tricarpic, usually one ovuled.
·
The palm is monoecious with relatively
few female flowers(10-50).
·
In india
highest productivity of coconut in india= Laksdweep(19630).
·
Coconut
salad= Nata de cocoa.
·
Ball
copra = fully mature (unhusked nut ) 8-12 months .
·
Cup
copra= coconut split into two halve (it’s famous in north india).
·
Milling
copra = it is famous in south india.(commercial)
·
Oil
percentage in coconut= 60-67%.
·
Husk
percentage = 30-45%
·
Coir is
obtained from mesocarp.
·
Toddy= A
sugar containing juice which obtained by tapping on unopened spadix.
·
for
propogation choose palm 15 year old tree & nut weight is more than 150g.
·
minimum two
month storage require before sowing .
·
mainly
9-12 month old seedling are use for planting but in KR(Karnataka ) & AP ( Andhra
pradesh) use 2-3 year old seedling.
·
In india
coconut ssednut is planting at vertical position, but in other some
countries the seednut are planting at horizontal position, because it
gives better germination than vertical.
·
Flower production=
o High= march-may
o Low= sep-jan
·
Optimum
soil ph require= 5.2-8.
·
Temperature=
27c
·
Pocket manuring
established in Tamilnadu.
·
Time period
of anthesis to ripening of nuts= 11-12months.
·
Crown choking
or button shedding occurs in coconut due to = Bo deficiency.
·
Rosette/little
leaf = Zn deficiency.
·
Most destructive
pest = Rhinocerous beetle and red palm weevil.
·
Yield=
o Tall= 60-80 nuts/palm/year.
o Dwarf= 80-90 nut /palm/year.
o Hybrid= 100-140nut/palm/year.
o Average yield= 44nuts/palm/year.
Some important varieties
·
Root wilt
resistant = kalpashree, kalparaksha
·
Tender nut
varieties- kalpa jyothi , kalpa surya.
·
Polyembryony
variety= Arasikere tall
·
Famous
variety of sri lanka= Rath themli(also known as king coconut of sri lanka).
·
Which variety have found jelly like
endosperm= Macapuno.
·
Some other
important variety= Kappadam, laguna.
Some other important information
·
Coconut oil
contained lauric acid .
·
World coconut
day= 2 september.
·
CRS(coconut
reseaech centre= TNAU pattukottai.
·
CDB(coconut
development board)=Cochin kerla(1981).
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