krishi vigyan kendra lohit, namsai dist., momong …. scientific... · ndana, selected local...

2
i. Removal of weeds from field and cleaning of bunds. ii. Light trapping. iii. Spray chlorpyriphos 20 EC @ ml/liter of water at 45 DAT. DISEASES – Rice Blast Symptoms: Leaves symptoms first appear as small flecks. In older leaves they remain Circular but on young leaves they enlarge up to cm (Spindle shaped). Control Measures i. Seed treatment with Agrosan GN or carbendazim @ 2g/kg seed. ii. Spray Bavistin @ 1g/litre of water. iii. Spray Dithane Z-78 @ 2.5g/litre of water. Sheath blight Symptoms: Lesions on sheath of lower leaves near the water line. Control Measures i. Spot spraying of carbendazim 1g/litre of water ii. Drain-off excess water, avoid flooding and delay and reduce top dressing of nitrogen fertilizers to check. Brown spot Symptoms: Leaves spots vary in size and shape from minute dots to circular, eye-shaped or oval lesions. Control Measures i. Seed treatment with Agrosan GN or carbendazim @ 2g/kg seed. ii. Spray mancozeb @ 2.5 g or carbendazim @ 1g/liter of water or iii. Dithane Z-78 @ 2g/litre of water. Blacterial leaf blight Symptoms: Yellow to straw coloured stripes with wavy margin, generally on both edges of the leaf, rarely on one edge. Control Measures i. Spray mancozeb 2.5 g or carbendazim 1 g/liter of water. larvae Prepared by: Dr. Debasish Borah, Subject Matter Specialist (Agronomy) Madhumita Sonowal Bora, Subject Matter Specialist (Plant protection) Published by: Dr. Debasis Sasmal, Programme Coordinator I/C, KVK Lohit, Namsai District, Under ICAR- National Research Centre on YAK , Dirang (Arunachal Pradesh) Phone no: 03806 200100 & 222381, e-mail: [email protected] Typed and designed by: Md. Ziaur Rahman, Programme Assistant (Computer) L L 26/KVK Lohit/2014 26/KVK Lohit/2014 - - 15 15 DOUBLE CROPPING OF RICE AND ITS DOUBLE CROPPING OF RICE AND ITS MANAGEMENT MANAGEMENT Krishi Vigyan Kendra Lohit, Namsai Dist., Momong Arunachal Pradesh Pin-792102

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i. R

emov

al o

f wee

ds fr

om fi

eld

and

clea

ning

of b

unds

. ii.

Li

ght t

rapp

ing.

iii

. Sp

ray

chlo

rpyr

ipho

s 20

EC @

ml/l

iter o

f wat

er a

t 45

DAT

. D

ISEA

SES

– R

ice

Blas

t Sy

mpt

oms:

Le

aves

sym

ptom

s firs

t app

ear

as sm

all f

leck

s. In

old

er le

aves

they

rem

ain

Circ

ular

but

on

youn

g le

aves

the

y en

larg

e up

to

cm

(Spi

ndle

shap

ed).

C

ontr

ol M

easu

res

i. Se

ed tr

eatm

ent w

ith A

gros

an G

N o

r car

bend

azim

@

2g/k

g se

ed.

ii.

Spra

y Ba

visti

n @

1g/

litre

of w

ater

. iii

. Sp

ray

Dith

ane Z

-78

@ 2

.5g/

litre

of w

ater

. Sh

eath

blig

ht

Sym

ptom

s: Le

sions

on

shea

th o

f low

er le

aves

nea

r the

wat

er li

ne.

Con

trol

Mea

sure

s i.

Spot

spra

ying

of c

arbe

ndaz

im 1

g/lit

re o

f wat

er

ii.

Dra

in-o

ff ex

cess

wat

er, a

void

floo

ding

and

del

ay a

nd

redu

ce to

p dr

essin

g of

nitr

ogen

fert

ilize

rs to

che

ck.

Brow

n sp

ot

Sym

ptom

s: Le

aves

spo

ts va

ry i

n siz

e an

d sh

ape

from

min

ute

dots

to

circ

ular

, eye

-sha

ped

or o

val l

esio

ns.

Con

trol

Mea

sure

s i.

Seed

tre

atm

ent

with

Agr

osan

GN

or

carb

enda

zim @

2g

/kg

seed

. ii.

Sp

ray

man

coze

b @

2.5

g o

r car

bend

azim

@ 1

g/lit

er o

f wat

er o

r iii

. D

ithan

e Z

-78

@ 2

g/lit

re o

f wat

er.

Blac

teri

al le

af b

light

Sy

mpt

oms:

Yello

w t

o str

aw c

olou

red

strip

es w

ith w

avy

mar

gin,

gen

eral

ly o

n bo

th e

dges

of

the

leaf

, ra

rely

on

one

edge

. C

ontr

ol M

easu

res

i. Sp

ray

man

coze

b 2.

5 g

or c

arbe

ndaz

im 1

g/li

ter o

f wat

er.

larv

ae

Prep

ared

by:

Dr.

Deb

asis

h B

orah

, Su

bjec

t Mat

ter

Spec

ialis

t (A

gron

omy)

M

adhu

mita

Son

owal

Bor

a, S

ubje

ct M

atte

r Sp

ecia

list (

Plan

t pro

tect

ion)

Pu

blis

hed

by:

Dr.

Deb

asis

Sas

mal

, Pro

gram

me

Coo

rdin

ator

I/C

, KV

K L

ohit,

Nam

sai

Dis

tric

t, U

nder

ICA

R- N

atio

nal R

esea

rch

Cen

tre

on Y

AK

, D

iran

g (A

runa

chal

Pra

desh

) Ph

one

no: 0

3806

200

100

& 2

2238

1, e

-mai

l: PC

KV

KL

OH

IT@

gmai

l.com

T

yped

and

des

igne

d by

: Md.

Zia

ur R

ahm

an, P

rogr

amm

e A

ssis

tant

(Com

pute

r)

LL––

26

/KV

K L

oh

it/2

014

26

/KV

K L

oh

it/2

014

-- 1515

D

OU

BL

E C

RO

PP

ING

OF

RIC

E A

ND

IT

S

DO

UB

LE

CR

OP

PIN

G O

F R

ICE

AN

D I

TS

M

AN

AG

EM

EN

TM

AN

AG

EM

EN

T

Kri

shi V

igya

n K

endr

a L

ohit,

Nam

sai D

ist.,

Mom

ong

Aru

nach

al P

rade

sh

Pin-

7921

02

Dou

ble

Cro

ppin

g of

Ric

e : R

ice

is th

e m

ajor

stap

le fo

od o

f Aru

nach

al P

rade

sh c

over

ing

the

larg

est

area

und

er c

ultiv

atio

n. T

o in

crea

se t

he t

otal

pro

duct

ion

the

use

of s

cien

tific

cu

ltiva

tion

prac

tices

and

int

ensif

icat

ion

in c

ropp

ing

is ve

ry u

rgen

t. In

Loh

it D

istric

t at

le

ast

2 cr

ops

of R

ice

(Ahu

- Sa

li) c

ould

be

grow

n su

cces

sfully

pro

vide

d su

itabl

e va

rietie

s an

d sc

ient

ific

man

agem

ent i

s fol

low

ed.

Var

ietie

s :

Ahu

Ric

e

: Use

see

ds o

f hig

h yi

eldi

ng v

arie

ties

for

culti

vatio

n lik

e –

Lach

it, C

hila

rai,

Gop

inat

h, L

uit

Gov

ind,

Cul

ture

-1, A

njal

i, V

anda

na, S

elec

ted

Loca

l var

ietie

s with

hig

her

yiel

d.

Sali

Ric

e

: R

anjit

, Ba

hadu

r, M

onira

m,

Piol

i, D

isang

, M

ahsu

ri, S

atya

, Ba

sund

hara

, M

anoh

ar S

ali,

Bhal

um-1

, Nav

een,

Abh

ishek

. La

nd P

repa

ratio

n : L

and

shou

ld b

e pr

epar

ed w

ell b

y pl

ough

ing/

hoe

ing.

M

anur

es &

Fer

tiliz

ers

: A

com

bina

tion

of o

rgan

ic a

nd i

norg

anic

fer

tilize

r gi

ves

bette

r yi

eld.

Com

post

or F

YM (

Gob

ar)

@10

t/h

a sh

ould

be

appl

ied.

For

sem

i dw

arf

varie

ties f

ertil

izers

shou

ld b

e ap

plie

d as

follo

ws –

How

ever

, so

il m

ay b

e te

sted

for

sele

ctin

g ex

act

dose

of

fert

ilize

rs.

FYM

(G

OBO

R)

or

com

post

shou

ld b

e ap

plie

d du

ring

land

pre

para

tion.

App

ly w

hole

SSP

, MO

P an

d on

e th

ird

of u

rea

as b

asal

dos

e. R

emai

ning

Ure

a m

ay b

e to

p dr

esse

d at

max

imum

tille

ring

and

Pani

cle

Initi

atio

n sta

ge

Seed

Rat

e

: A

hu R

ice

(Dir

ect

Sow

m)

: For

line

sow

ing

seed

s @75

kg/

ha (1

.5 K

g/20

0 sq

m la

nd) i

s to

be so

wn

at a

inte

r row

spac

ing

of 2

0 cm

. For

bro

adca

sting

seed

s sho

uld

be so

wn

@ 1

10 K

g/ha

(2.2

0 K

g/20

0 sq

m p

lot)

Sali

Ric

e : S

ow se

eds @

45

kg/h

a in

seed

bed

. Spa

cing

shou

ld b

e 20

x 1

0 cm

. Se

ed T

reat

men

t : T

reat

seed

s with

fung

icid

es li

ke I

ndof

il-M

-45

or C

apta

f or

Folta

f @

2.50

g/K

g se

ed.

Tim

e of

sow

ing

: A

hu R

ice

: Mar

ch –

Apr

il.

Sali

Ric

e :

June

- Ju

ly

Wee

ding

and

inte

rcul

tura

l ope

ratio

n :

In A

hu r

ice

wee

d is

a m

ajor

pro

blem

. So

wee

ding

with

whe

el h

oe s

houl

d be

use

d 2-

3 w

eeks

afte

r so

win

g. T

he s

econ

d w

eedi

ng s

houl

d be

don

e w

ith w

heel

hoe

or

dryl

and

wee

der

at 4

-5 w

eeks

afte

r so

win

g. I

f whe

el h

oe o

r dr

ylan

d w

eede

r is

not a

vaila

ble

man

ual

Nut

rient

R

equi

rem

ent

(Kg/

ha)

Form

Fe

rtiliz

er

(Kg/

ha)

Ferti

lizer

(K

g/bi

gha)

N

40

Ure

a 88

12

P 2

O5

20

SSP

125

17

K2O

20

M

OP

32

4

wee

ding

shou

ld b

e do

ne. I

n bo

th A

hu a

nd S

ali R

ice

2 no

s. of

wed

ding

s sho

uld

be d

one

at

20 a

nd 4

0 da

ys a

fter

sow

ing/

tran

spla

ntin

g. I

n Ah

u R

ice

appl

icat

ion

of h

erbi

cide

2,4

– D

@

0.5

to 0

.75

kg a

.i./h

a co

ntro

ls di

cot w

eeds

whe

n ap

plie

d at

2-3

leaf

stag

e of

wee

ds a

nd

sedg

es. I

n Sa

li R

ice

appl

icat

ion

of p

ratil

achl

or @

0.7

5 kg

/ha

or a

nilo

phos

is to

be

appl

ied

@ 0

.4 k

g/ha

at 3

da

ys a

fter

tran

plan

ting

for

wee

d co

ntro

l. R

aini

ng d

urin

g ha

rves

ting

is co

mm

on in

sum

mer

ric

e w

hich

, res

ults

in d

iscol

orat

ion

of s

eeds

, spr

outin

g of

see

ds. T

o av

oid

this

10 p

er c

ent

solu

tion

of c

omm

on s

alt

can

be a

pplie

d 20

-25

days

afte

r 50

per

cent

flo

wer

ing.

Nec

essa

ry

plan

t pro

tect

ion

mea

sure

s sho

uld

be ta

ken

to a

void

eco

nom

ic lo

ss.

Har

vest

ing

:

Har

vesti

ng s

houl

d be

don

e as

soo

n as

80

perc

ent o

f pan

icle

s rip

e. D

elay

in h

arve

sting

will

re

sults

in

shat

terin

g lo

ss.

Afte

r th

resh

ing,

see

ds s

houl

d be

drie

d pr

oper

ly f

or s

tora

ge.

Win

now

ing

shou

ld b

e do

ne p

rope

rly. M

echa

nica

l han

d w

inno

wer

can

be

used

for t

his.

INSE

CT

PES

TS

-

Ye

llow

Ste

mbo

rer

Sym

ptom

s:

Whi

te e

ars-

plan

ts pr

oduc

e w

hite

ear

s at e

arly

stag

e de

void

of g

rain

. C

ontr

ol M

easu

res

i.

Rem

oval

and

des

truc

tion

of st

ubbl

es a

t the

tim

e of

the

first

plou

ghin

g.

ii.

Plou

ghin

g an

d flo

odin

g th

e fie

ld is

also

ef

fect

ive

in k

illin

g th

e la

rvae

. iii

. C

lippi

ng ti

ps o

f see

dlin

gs b

efor

e tr

ansp

lant

ing.

iv

. Se

edlin

g ro

ot d

eep

trea

tmen

t in

chlo

rpyr

ipho

s 20

EC @

1m

l/lite

r of w

ater

for o

ver

nigh

t. v.

Sp

ray

chl

orpy

ripho

s 20

EC @

1m

l/lite

r of w

ater

at 4

5 D

AT.

vi.

Usin

g of

Tric

ogra

mm

a eg

gs(T

richo

card

6-8

pie

ces)

@

50,

000/

ha.

Gun

dhi b

ug

Sym

ptom

s:

D

evel

opin

g gr

ains

in

the

milk

y sta

ge c

ause

s in

com

plet

ely

fille

d pa

nicl

es o

r pan

icle

s with

em

pty

grai

ns.

Con

trol

Mea

sure

s i.

Usin

g lig

ht tr

aps,

colle

ctio

n of

adu

lts w

ith n

ets a

nd

destr

oyin

g th

e w

eeds

to re

mov

e al

tern

ate

hosts

. ii.

Ap

ply

carb

ayl 5

% o

r mal

athi

on 5

% d

ust @

25k

g/ha

. Le

af fo

lder

Sy

mpt

oms:

Whi

tish

Stre

aks a

ppea

r on

the

leav

es.

Con

trol

Mea

sure

s W

hitis

h st

reak