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Management of whitefly


20157800054.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Nepal
,
May
2014
Management of Whitefly
Recognize the problem
Whitefly adults are tiny (about 1 mm long) moth-like insects. They are white to
slightly yellowish in colour and their bodies and both pairs of wings are covered
with a powdery and waxy secretion. They suck cell sap from the lower surface
of the leaves. The symptoms of whitefly infestation are yellowing of leaves,...

plantwise.org

Thrips attack of beans


20157800237.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Bangladesh
,
September
2013
Thrips attack of Beans
Recognize the problem
Thrips are tiny, slender insects with fringed wings. They are plant feeders that
feed by puncturing their host and sucking out the cell contents. Thrips scar
leaf, flower, or fruit surfaces and can cause leaves to become papery and
distorted. Infested terminals may become rolled, and drop their leaves...

plantwise.org

Downy mildew of cucumber


Red pumpkin beetle on vegetables


Thrips on eggplant


20137803413.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Suriname
,
June
2012
Thrips on eggplant
Recognize the problem
The symptoms seen in top picture are caused by a pest called thrips. The
symptoms are: flowers fall off, light green elongated stripes and irregular forms
on the fruit of the eggplant.
Background
Thrips affect the flowers and the fruits of the eggplant which causes reduction
in yield.The larvae and adult thrips feed and...

plantwise.org

Chemical control of downy mildew of cucurbits


20177800513.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Chemical control of Downy mildew of Cucurbits
Recognize the problem
Downy mildew is one of the most serious diseases in the Cucurbit family of
crops. It causes yellow, angular spots to appear on the upper surface of leaves.
The equivalent lower surface of these spots shows a purplish downy growth in
moist weather. The spots turn necrotic with age, the...

plantwise.org

Management of cucurbit fruit fly


20147801454.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Nepal
,
September
2012
Management of cucurbit fruit fly
Recognize the problem
Fruit fly is the most problematic insect pest of the cucumber group plants
(cucurbits), which includes cucumber, bitter gourd, pumpkin etc. It attacks
young and older stages. Maggots are found in infected fruits, which means the
fruits cannot be eaten.
Background
Fruit fly damage starts from March and ends...

plantwise.org

Gummy stem blight of watermelon


20127802675.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Gummy stem blight of watermelon
Recognize the problem
Gummy stem blight is a major disease of watermelon. This disease often
causes total crop loss. It is caused by a fungus. The leaves, stem and fruit may
become infected.
Brown leaf spots often start close to the edge of the leaves. The spots become
larger, irregular and may join together and kill...

plantwise.org

Angular leaf spot in cucumber


20127802688.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Angular leaf spot in cucumber
Recognize the problem
Angular leaf spot is a common disease of cucumber, squash, pumpkin and
watermelon. Affected plants bear less and the fruits are smaller.
This disease causes water-soaked spots on leaves, stems and fruits. Leaf spots
are not round but spread out to the leaf veins, so they look angular, or
pointed....

plantwise.org

Common pests and diseases of cucumber: Afghanistan


Angular leaf spot of cucurbits


FR2


FR2.jpg

Case study on disease management action
research in Vietnam
- Presented by Janny GM Vos (CABI Bioscience) during the
Regional Trainers' Workshop on Vegetable IPM Curriculum Development in Chiangmai,
Thailand (18-24 February 2001)
Introduction
Since 1996, Farmer Field Schools for vegetable IPM have been organised in Vietnam. Farmer
trainers have emerged from these Field Schools and have trained other farmers in formally
organised Farmer-to-Farmer...

ico.org

phu pythiumdiseases greenhousevegetablecropsss


phu-pythiumdiseases-greenhousevegetablecropsss.jpg

Pythium Diseases of
Greenhouse Vegetables
April, 2018
Pythium species are fungal-like organisms (Oomycetes), commonly referred to as water molds, which naturally
exist in soil and water as saprophytes, feeding on organic matter. Some Pythium species can cause serious diseases
on greenhouse vegetable crops resulting in significant crop losses. Pythium infection leads to damping-off in
seedlings and crown and root rot of mature plants. In...

www2.gov.bc.ca

Chaudhary


Chaudhary.jpg

The Journal of Animal & Plant Sciences 19(4): 2009, Pages: 202-204
ISSN: 1018-7081
EFFICACY OF DIFFERENT FUNGICIDES FOR THE CONTROL OF DOWNY MILDEW
OF CUCUMBER
S. U. Chaudhry, J. Iqbal and A. Mustafa*
Adaptive Research Farm Gujranwala
*Department of Plant Pathology, University of Agriculture Faisalabad
ABSTRACT
A field experiment was conducted to evaluate the performance of different fungicides against downy mildew on
cucumber (Cucumis...

thejaps.org.pk

BDM24 45 Hirimuthoga


BDM24_45_Hirimuthoga.jpg

SPC Beche-de-mer Information Bulletin #24 – July 2006 45
Introduction
Sea cucumbers are the most commonly consumed
echinoderms and have been eaten since ancient
times. Although holothurian fishing has a long his-
tory, sea cucumber aquaculture has only developed
in recent decades. It is now well established in
many countries such as Australia, China, the Galá-
pagos Islands, Indonesia, Japan, Malaysia, and the
Philippines (see Conand 2004 for...

spc.int

Liriomyza Factsheet2


Liriomyza-Factsheet2.jpg

Liriomyza species – leaf min ing flies
Background
The fly genus Liriomyza (Diptera: Agromyzidae) consists of hundreds of species, most of
which are leaf miners; their larvae tunnel within leaf tissue forming damaging and
disfiguring mines. The majority of species are either host -specific or are restricted to a
small group of plants that are related to each other. However, a few species are h ighly
polyphagous, able to feed on many...

planthealthportal.defra.gov.uk

pmgcucurbits


pmgcucurbits.jpg

An illustrated version of this guideline is available online at http://ipm.ucdavis.edu/PMG/selectnewpest.cucurbits.html
Publication 3445
UC Statewide Integrated Pest Management Program
Cucurbits May 2016
PEST MANAGEMENT GUIDELINES FOR AGRICULTURE
Contents (Dates in parenthesis indicate when each topic was updated)
Cucurbits Year-Round IPM Program (Reviewed 10/11...

ipm.ucanr.edu

IN37100


IN37100.jpg

EENY-214
Mediterranean Fruit Fly, Ceratitis capitata (Wiedemann)
(Insecta: Diptera: Tephritidae) 1
M. C. Thomas, J. B. Heppner, R. E. Woodruff, H. V. Weems, G. J. Steck, and T. R. Fasulo 2
1. This document is EENY-214 (originally published as DPI Entomology Circulars 4, 230 and 273, updated for this publication), one of a series of the
Department of Entomology and Nematology Department, UF/IFAS Extension. Original publication date July 2001....

edis.ifas.ufl.edu

cucumber gummy stem blight 201


cucumber_gummy_stem_blight_201.jpg

Photo 1 . M arg in al r o t o f c u cu m ber le af c a u se d
by g u m my s te m
blig h t,
Did ym ella b ry o nia e
,
more a d van ce d t h an in P hoto
1.
Photo 2 . M arg in al r o t w it h y ello w m arg in
ca u se d b y g u m my s te m b lig h t,
Did ym ella
bry o nia e,
on c u cu m ber.
Photo 3 . E xte n siv e lo ss o f le aves o n
cu cu m ber
pla n ts c a u se d b y g u m my s te m b lig h t,
Did ym ella
bry o nia e
. P acif...

pestnet.org

cucumber moth 033


cucumber_moth_033.jpg

Photo 1 . C ate rp illa r o f
Dia p han ia in dic a
exp ose d o n a w ate rm elo n le af t h at it h as r o lle d .
Photo 2 . S evere d am age o n c u cu m ber b y
Dia p han ia in dic a
. T h e c a te rp illa r h as e m erg ed
fro m t h e r o lle d e d ges o f t h e le af a n d
sk ele to nis e d t h e le af b y e atin g b etw een t h e
vein s.
Photo 3 . C ate rp illa r o f
Dia p han ia in dic a
sh ow in g t h e c h ara cte ris tic...

pestnet.org

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