cultivation of hybrid maize 21-24 may 00001

8/6/2019 Cultivation of Hybrid Maize 21-24 May 00001

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Production Technology

ofHybrid Maize


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Types of Hybrid

Single cross hybrid

Three way cross hybrid

Double cross hybrid


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BARI Hybrid maize-3

XBIL-28 BIL-29

Single Cross

Hybrid

Types ofhybrid maize


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Double cross hybrid


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BARIHybrid Maize- 1

BIL-74 BIL-75

Three way

cross

X

F1 X

BIL-76


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BARI Hybrid Maize-4

Strong Anthocyanin

colour

X

Very StrongAnthocyanin

colour

BarnaliBML-1

Medium Anthocyanin

colour

Non ConventionalHybrid


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VarietiesCommonly cultivated hybrids :

Pacific 11, Pacific 60, Pacific 983, Pacific 984,Pacific 988, 900 M, 900M Gold, 927K, NK40, NK

46, Pinacle, Pioneer3056, Mukta, Uttaran 2, BARI

Hybrid Maize 3, BARI Hybrid Maize 5, BARI

Hybrid Maize 7, BARI Hybrid Maize 9 etc.


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Pacific 11


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BARI Hybrid Maize 3


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BARI Hybrid Maize 5


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BHM- 5 Normal Maize

Tryptophan : 0.11 % 0.05 %

Lysine : 0.475 % 0.225 %

Protein : 11.00 % 9.00 %

Helpful for animal feed and could alleviate malnutrition


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Soils

yWell-drained fertilesoils.yHigh & medium high landyLevel and uniform fields.yExcept heavy clay, saline & acid

soil. Good in loamy soil, high in

organic

matter

ypH from 5.0 - 8.0, but 6.0 - 7.0 isoptimum.


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Fieldpreparati nandplantin

yPrepare maize fields few weeks pri r toplantin .

yAvoid risky environmental conditions suchasexcessivelycoolorhottemperatures.

yOptimum timeofplantin inrabifrom Nov.tomid Dec.inkharif I from mid Feb.toendof Mar. and in kharif II from mid July tomidAu .


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Maize can be sown round the year


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Aug- ep (1%)Apr-May (2%)

Feb-Mar (8%)

Dec-Jan (38%) Oct-Nov (51%)

Area covered u nder different sowin g time


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Maize seedlinggrowing at low

temperatures

Damage due to hightemperatures and high

radiation


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Failed to germinatedue to surface crust


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Seed eySeed e v es depending n e

grain size, seed viability and the

purposeofgrowing.

yForsmall-grain var.2 -22 kg/ha,formediumgrain2 -25 kg/ha

largegrained25-30 kg/ha


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Fertilizer rate for HybridName of the fertilizers Amount (Kg/ha)

Urea 544

TSP 247

MP 200Gypsum 208

Zinc Sulphate 14

BoricAcid 6Org. Fertilizer 5000-5500

Lime* 2000

*Use when acidity increas


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0

100

200

300

400

500

600

Urea TSP MP Gypsum Zinc Boron

Farmerfertilizersrate vsrecommended rateFarmerfertilizersrate vsrecommended rate


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Some typicaldeficiency symptoms


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Farmer`s field

No Lime & No

Boron


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Lime = 2t/ha

Boron = 2

kg/ha


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Lime = 2 t/ha

Boron = 2kg/ha

Farmers field

Lime = 0 t/ha

Boron = 0kg/ha


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Sowing at 3-5 cm depth


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60 cm

20 cm


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Thinning

yWithin tw w k germination or whenthe eedlingsareabout cmtall.yCareshouldbetakennottodisturbstanding

plantsatthetimeofthinningoperation.


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Weed nt l

yFi st eeding hen seedlings a e about 2

eeks ld.

yAnother 2-3 eeding ay be requireddepending n the degree eed

in estati ns.


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On

d ng

(53 2%)

od ng

(40 5%)

No

d ng

(6 4%)


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Earthing Up at 8-10LeafStage


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Fertili er li ti

yOne t ird f N nd t er fertili erss lde lied t t e time f seed ed

reparati n;

yOnet irdatfl ral initiati n nee ei t /8-1 leafstage);and

yRest Onet ird enmalefl er is isi ler ne eek ef resilking


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1st top dress of urea at -1 leaf stage


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2nd top dress of urea when male flower is isible


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Table . N trientabsorptionof ai e

ringagrowingseason (%)

Plant

food

First

days

econd

days

Third

days

Fourth

days

Last

days

Total

N 0 00

P 4 00

K 9 44 4 00

source:potash instituteofNorthAmerica


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Top left: variable N stress due to inherent differences in

soil texture

Top right: variable N stress due to crop management.

This depletion crop will result in non-uniform stress as

plant stand is poor in parts of the field.

Right: Effect ofN stress on cob size.


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N-deficiency symptom

at flowering

Good managed fieldleft and N-deficient

field right


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Water anagement

Drought

yThree stages, i.e.- i earl growth stagewhen plant stand are established), ii)

floweringand iii)grain filling stage,areconsideredcritical stages formai eplant

todrought.

yDecrease in water availabilit topermanent wilting point during i) pre-

flowering, ii) flowering and iii) post

flowering stages reduced grain ield b

, 0and ,respectivel .


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Maize field affected by

drought showing poor

plant stand

Maize field affected bydrought showing leaf

rolling symptom


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Irrigation at different stages

3- leaf stage -1 leaf stage

Visible of male flower Grain filling stage


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Intensity of irrigation use by the farmers

Four times

irrigation15%

Two times

irrigation

31%

ne time

irrigation

13%

Three times

irrigation

25%

No irrigation

16%


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Excess water

yThe largest effect observed at earlyseedling stage followed by knee highstage, tasseling stage, and was least at

themilkstage.


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Maize field affected by excess water at later stage

Maize field affected by excess water at early stage

Inter-cropping


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Maize + Potato Maize + Red amaranth

Maize + S inach Maize + Bean

Inter-cropping


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Land type En iro-

ment

Cropping Pattern Pre a-

lence inAEZ

Medium

high land

Irrigated Ext.: B. aus (Rainfed)-T. Aman-Potato

Alt.: Maize (Rainfed)-T.Aman-Potato

4, 11

High land Rainfed Ext.: B. aus -Fallow-Mustard

Alt.: Maize -Mungbean-Mustard

3, 4 ,

11, 12

High land Rainfed Ext.: B. aus-Fallow-Mustard

Alt.: Maize - Fallow-Wheat

3, 4,

11, 12

Medium

high land

Irrigated Ext.: B. aus (Rainfed)-T. aman-Wheat

Alt.: Maize (Rainfed)-T.aman-Wheat

4

Mediumhigh land

Irrigated Ext.: Jute (

Rainfed)-T. aman-Wheat

Alt.:Mungbean (Rainfed)-T.aman-Maize 4

Ext. = Existing, Alt.= Alternative

Cropping pattern


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Insect cont ol

yFifteen insects h ve been noted tooccuin B n l desh in maize owin season.

yKey insects a e : ) cut-worms, ) stemborer; ) seedlin ma ot; ) corn

earworm;and )maize aphid.


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Pest o t ol

yCrows, para eets, Ja als, L vesto ka da onstitutethe ajor pest problems.


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Different Uses

Of

Maize


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As human food


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Chapati Making process for human food!


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Maize as fodder


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BENEFITSBENEFITS


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BENEFITSBENEFITS

One homeless family ofBogra district, Whose land

was only 0.1 acre. He built a tin home from maize profit

BENEFITSBENEFITS


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BENEFITSBENEFITS

Example: A family ofLalmonirhat district newly restructured

brick house from their old tin home through maize profit


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Thank You

cultivation of hybrid maize 21-24 may 00001

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