The Boll Worm of Cotton

It should further be remembered that these observations apply only to the
northern region of the cotton belt ” and ... The fact that the Boll Worm was so
scarce during the past season precluded making extensive observations along
this line .

Author: Frederick William Mally

Publisher:

ISBN:

Category: Cotton

Page: 50

View: 719


Report on Investigations of the Pink Bollworm of Cotton in Mexico

PINK BOLLWORM OF COTTON IN MEXICO . 25 discolor the lint . Just as soon as
the bolls are formed they may be attacked by the larvæ working downward from
the flower , but usually they are not attacked till one - half to three - fourths grown
 ...

Author: U. C. Loftin

Publisher:

ISBN:

Category: Cotton

Page: 64

View: 334


Controlling the Pink Bollworm on Cotton

Multiply the number of bollworm generations results when rosetted blooms by 10
to learn the cotton is planted over a long plant number of larvae present per acre .
ing period . Then the increased Boll inspection . — Walk diagopopulation of ...

Author:

Publisher:

ISBN:

Category: Cotton

Page: 12

View: 248


Farmers Bulletin

Determining need for insecticide When early plantings mature , the The need for
insecticide applicamoths emerging in them migrate to tions to prevent damage by
the pink later fruiting , more attractive bollworm may be determined by cotton ...

Author:

Publisher:

ISBN:

Category: Agriculture

Page:

View: 415


Report of the Pink Bollworm of Cotton Pectinophora Gossypiella S

Author: Ernest Emmett Scholl

Publisher:

ISBN:

Category: Bollworm

Page: 459

View: 920


The Cotton Bollworm

Classification and synonomy; Geographical distribution; Original home; Food plants; Status of bollworm in foreign countries; Economic status in the United states; Distribution and destructive-ness in relation to life zones; Farm methods in ...

Author: Altus Lacy Quaintance

Publisher:

ISBN:

Category: Cotton

Page: 155

View: 418

Classification and synonomy; Geographical distribution; Original home; Food plants; Status of bollworm in foreign countries; Economic status in the United states; Distribution and destructive-ness in relation to life zones; Farm methods in relation to bollworm injury; Relation of weather to bollworm injury; Life history.

Integrating Methods for Control of the Pink Bollworm and Other Cotton Insects in the Southwestern United States

14 and 15 reduced immature green bolls remaining on the plants at harvest (
early November ) and the number of pink bollworm larvae an average of 95
percent ( table 25 ) . Chemically terminated cotton averaged over 133 kg / ha of
lint more ...

Author: T. J. Henneberry

Publisher:

ISBN:

Category: Cotton

Page: 45

View: 504


The Spotted Boll worms of Cotton Earias Fabia Stoll and Earias Insulana Boisd in South Gujarat Bombay Presidency

PINK BOLL - WORM ( PLATYEDRA GOSSYPIELLA SAUND . ) GUJARAT During
the period of investigation on the Spotted Boll - worms at Surat , it was possible to
make a few observations about the Pink Boll - worm also . Twenty - five cotton ...

Author: B. P. Deshpande

Publisher:

ISBN:

Category: Beetles

Page: 208

View: 398


The Bollworm Or Corn Earworm

CONTROL ON COTTON . CULTURAL PRACTICES . lead imp Several of the
measures best calculated to reduce bollworm injury in the cotton - growing States
are equally effective in checking the ravages of the boll weevil . No loss of money
 ...

Author: F. C. Bishopp

Publisher:

ISBN:

Category: Boll worm

Page: 16

View: 119


The Bollworm Or Corn Earworm

Several of the measures best calculated to reduce bollworm injury in the cotton -
growing States are equally effective in checking the ravages of the boll weevil .
No loss of money or energy results from putting such cultural practices into effect
 ...

Author: Fred Corry Bishopp

Publisher:

ISBN:

Category: Helicoverpa armigera

Page: 16

View: 959


Cotton Facts

THE BOLL - WORM OF COTTON . The Boll - worm ( Heliothis Armiger ) is a true
moth , like the Cotton Caterpillar , having the four regular stages of growth , viz . :
first , the egg ; second , the larva , or worm ; third , the chrysalis ; fourth , the moth
 ...

Author:

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Category: Cotton

Page:

View: 153


bibliography pink bollworm pectinophora

Joint action of foliar fertilizers-insecticide mixtures on cotton leaf worm, boll
worms and yield of cotton plants. Mededelingen Van de Faculteit
Landbouwwetenschappen, Rijksuniversiteit Gent 47:617–626. El-Nawawy, A.S.,
M.A. Ashry, A.A. ...

Author:

Publisher: DIANE Publishing

ISBN: 1428906541

Category:

Page:

View: 525


Studies of the Diapause in the Pink Bollworm in Puerto Rico

Taylor ( 50 ) , in Uganda , experimenting with nine resting larvae of the pink
bollworm , found that a relative humidity of 100 ... Survival of resting pink
bollworm larvae in open cotton bolls on the soil surface in the open and under a
shelter ...

Author: Lorin Courtney Fife

Publisher:

ISBN:

Category: Agriculture

Page: 26

View: 567


Toxics A to Z

Cotton hosts at least half a dozen major pest species, including the pink bollworm
, the cotton bollworm, the lygus bug or fleahopper, the boll weevil, the cotton
aphid, and the tobacco budworm. Consequently, in many parts of the United
States ...

Author: John Harte

Publisher: Univ of California Press

ISBN: 9780520910775

Category: Health & Fitness

Page: 576

View: 279

Toxics A to Z features and alphabetical listing of over 100 toxics, identifying . . . What they are How they are measured Where they are found The symptoms of exposure What their known risks are How we can lessen or avoid those risks An easy-to-use Cross-Reference Guide to help readers identify toxics in 18 major groups, including indoor and outdoor air pollutants, household items, and lawn and garden products A glossary of terms, explanation of abbreviations, and listing of sources for further help and information

The Mexican Cotton boll Weevil

It is generally conceded that no extensive or serious damage is done the cotton
by the bollworm until about the time the corn crop matures . This is due to the fact
that corn has gotten too hard , the stalk has ripened , and the female moths are ...

Author: Frederick William Mally

Publisher:

ISBN:

Category: Boll weevil

Page: 30

View: 612


Pests of Field Crops and Pastures

ICSIRO: C. Ma bollworm. Current research in northern Australia is focussing on
winter-production systems. Quarantine: Pink bollworm could cause serious
damage if it spread to, and established in, the eastern cotton-producing regions.

Author: P. T. Bailey

Publisher: CSIRO PUBLISHING

ISBN: 0643067582

Category: Technology & Engineering

Page: 520

View: 714

Here, for the first time is a comprehensive handbook on economic entomolgy for field crops and pastures. It is organised by commodities such as cereals, sugar and tropical pasture legumes allowing all the arthropods on a particular commodity to be examined.

Factors Inducing Diapause in the Pink Bollworm

Thus , the equatorial zone appears to have served as an ecological barrier that
the pink bollworm has been unable to ... Another cotton insect that has failed to
become established across the Equator is a red bollworm , Diparopsis watersi ...

Author: Maurice James Lukefahr

Publisher:

ISBN:

Category: Cotton

Page: 17

View: 321


Census Reports Tenth Census Report on cotton production in the United States and also embracing agricultural and physico geographical descriptions of the several cotton states and of California

Farmers attribute these things June ; rust in September ; and boll - worm and
shedding in to seasons less favorable to cotton than to its enemies . The July and
August . Shedding is attributed to wet following worms are attributed to too much
 ...

Author: United States. Census Office

Publisher:

ISBN:

Category: United States

Page:

View: 630


Insects Affecting the Cotton Plant

THE COTTON BOLLWORM . ( Heliothis armiger Hübn . ) Unlike the cotton worm ,
this insect is by no means confined to America , nor is it confined to cotton as a
food plant . It is known in many other parts of the world , and it can not be ...

Author: Leland Ossian Howard

Publisher:

ISBN:

Category: Cotton

Page: 32

View: 654


Boll Worm of Cotton

Author: F. W. Mally

Publisher:

ISBN:

Category:

Page: 73

View: 785