Cro

p c

alen

dar

wit

h t

he

use

of

met

eoro

logic

al d

ata

in T

ripu

ra

N.P. Singh, D. Das Choudhuri and S. Biswas

ICAR Research Complex for NEH Region, Tripura

Centre,

Lembucherra-799210, Tripura

Mean

atm

osp

heric temperature in

Tripura during 2003-

2007

05101520253035

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Months

Temperature (C)

Maximum

Minimum

Mean

relative humidity in Tripura during 2003-2007

0102030405060708090

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Months

R.H. (%)

Morning

Evening

Mean

rainfall in Tripura during 2003-2007

0

100

200

300

400

500

600

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

NovDec

Months

Precipitation (mm)

Rainfall

Mean

number of rainy days in Tripura during 2003-

2007

0510152025

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Months

Days

Rainy days

Monthly Distribution of Rainfall and Evaporation at

Lembucherra

0.0

100.

0

200.

0

300.

0

400.

0

500.

0

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month

Rai

nfa

ll (m

m)

Evp

(mm

/ da

y)

TRC –87 –

251

AN UPLAND RIC

E VARIE

TY

Blast

April/ May

December

November

Boro

Sheath blight

October/

November

June/July

May/June

Aman

Bacterial leaf

blight

June/July

-March/

April

Aush

Major

diseases

Harvestin

g tim

e

Transplantation

time

Sowing

time

PaddyCrop calendar of rice

TRM –5 (53-55q/h)

TRM –7 (50-52q/ha)

TRM –11(46 q/ha)

Sheath blight

September/

October

July/ 1st

week of

August

Maize (2nd

crop)

Sheath blight

Mid M

ay/ June

Mid M

arch/

April

Maize

(1stcrop)

Major

diseases

Date of

harvest

Date of

sowing

Crop

Crop calendar of maize

TRCM 16 –1

(1650 kg/ha)

TRCM 17 –1 (1775 kg/ha)

TRCM 4 –1 (1500 kg/ha)

BL

AC

KG

RA

M

TRCU 99 –2 (1950 kg/ha)

TRCP –8 (2200-2400 kg/ha)

TRCP –9 (2100 –2300 kg/ha)

TRA -1

AICRP on Rapeseed and Mustard

�Highest yield of toria ( var. TS-36) obtained with

recommended practices.

AICRP on linseed

�Four varieties viz., Nagarkot, Padmini, Shbhra and

Sweta evaluated

�Nagarkota perform

ed better with productivity of

1227 kg /ha.

�4thweek of october best season for sowing.

AICRP on Mesta

�Early sowing ( 20-22June) proved promising.

�AMV-4 superior to HS-4288.

Alternaria leaf

spot/

Aphids

March

October

Rapeseed/

mustard

Wilt

March

4rth week

October

linseed

Fruit borer

March (next

year)

April

Arhar

Leaf spot;

Yellow m

osaic

Powdery

mildew

Rice (aush)

October

August

Black gram

(post kharif)

Leaf spot

Rice (aman)

May

Mid M

arch

Black gram

(pre kharif)

Leaf spot;

Yellow m

osaic

Powdery

mildew

Rice (aush)

October

August

Mung (post

kharif)

Leaf spot

Rice (aman)

May

Mid M

arch

Mung (pre

kharif)

Diseases/pest

Following crop

Preceding

crop

Harvesting tim

eSowing tim

ePulses and oil

seedsCrop calendar of pulses and oil seeds

Eight varieties of Litchi viz. China, Shahi,

Swarnaroopa, Early Bedana, late Bedana,

Rose Scented, Bombai and Seedless were

introduced from ICAR, Ranchi

Litchi:(Litchi chinensis L)

Introduced cultivar Shahi

Introduced cultivar Swaranaroopa

High density planting of Banana

cv. Dwarf Cavendish (1.5x1.5 m

eter)

Seve

ral

imp

rove

d an

d h

yb

rid

cult

ivar

s o

f p

apay

a, S

ury

a, P

usa

del

icio

us,

Ho

ned

ew, lo

cal

x H

on

eyde

w a

nd T

rip

ura

lo

cal,

wer

e ev

alu

ated

Pu

sa d

elic

iou

s h

as b

een

se

lect

ed

Evaluation of citrus

�Three lime verities Saisarbati, Pramalini,

Vikram along with Nagpur

mandarin and

Mosambiwere introduced

Sweet orange cv. moasmbi

Citrus block

�The two-variety viz.

kanchan

and NA-7 were introduced

Aonla (Emblica officinalis)

Aonla NA-7

Tu

rmer

ic

�About 12 turm

eric

genotypes have

been collected and

evaluated

�A selection TRC-

Turm

eric-12 was

found to be the early

maturing (700-

750g/plant) and

resistant to shoot

borer.

Ele

ph

ant

foo

t y

am

Gajendra

Tripura local

Pro

mis

ing v

arie

ties

in

Tap

ioca

Tripura Local

H-226

Pro

mis

ing v

arie

ties

in

Sw

eet

Pota

to

Out of 8 varieties, the

variety

gouri

yielded

1.45kg

tuber/

plant

followed

by

440038

(1.30kg/plant).

Oth

er t

uber

cro

ps

Dioscorea alata

Xanthosoma sp

Cu

ltiv

atio

n o

f O

yst

er m

ush

room

s

P. sajor-caju

P. flabellatus

P. florida

0

1000

2000

3000

Yield (g

)

AM

JJ

AS

ON

DJ

FM

Month (A

pril, 05

- March

, 06)

Monthwise yield perform

ance

s of three

oyster mush

rooms in Tripura

P. florida

P. flabellatus

P. sajor-caju

Pad

dy s

traw

mu

shro

om

Cut Paddy Straw

Volvariella volvacea

was cultivated well

in Tripura during the

period from April to

November.

Intact Paddy Straw

0

200

400

600

Yield/bed

(g)

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Mon

th (2

006)

Production pattern of p

addy straw m

ush

room

in Tripura

V. volvacea

Mil

ky m

ush

room

�Calocybe

indica

was

cultivated

during

the

period April to August.

�Highest yield (BE-96.5 to

105.5%) was obtained in

June.

0

200

400

600

800

1000

Yield (g/kg

substrate)

Apr.

MayJun.Jul.

Aug.

Month (2006)

Milky m

ushroom during summer in

Tripura

C. indica

CI

CI

CI

CI

CI

Milky

VV

VV

VV

VV

VV

Paddy straw

PS

Pf

Flo

PS

Pf

Flo

PS

Pf

Flo

PS

Pf

Flo

PS

Pf

Pflo

PS

Pf

Flo

PS

Pf

Flo

PS

Pf

Flo

Oyster

De

No

Oc

Sep

Aug

Jul

Jun

May

Apr

Mar

Feb

Jan

MushroomCrop calendar of mushroom