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Botanical control of tomato leaf miner


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Afghanistan, March 2017
Botanical Control of Tomato Leaf Miner
Recognize the problem
Originating from South America, Tuta absoluta is a devastating pest on tomato
crops. Recently, Tuta absoluta was considered to be a serious threat to tomato
production in the southern region of the country as it can largely damage the
crop and reduce the yield.
Background
Tuta absoluta is a micro lepidopteron...

plantwise.org

Grapevine downy mildew


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
2013
Grapevine Downy mildew
Recognize the problem
This disease can be seen all over the green parts of the plant. Areas affected
first become yellow then turn more purple. Eventually, the leaves dry out and
gradually fall from the tree. Most of the time this disease attacks the grape
clusters, causing the fruit to dry out and stay small. After the leaves have
begun to...

plantwise.org

Stripe rust


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
June
2013
Stripe Rust
Recognize the problem
Stripe rust disease is a serious fungal disease of cereals, especially wheat,
which causes yield loss. Even if the number of kernels from an infected plant is
high, yield will still be lower as the kernels will be smaller than those from a
healthy plant.
This disease has
5
life stages. The main symptom of this disease is...

plantwise.org

Sunn pest of wheat


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Sunn Pest of Wheat
Recognize the problem
The Sunn pest is a dusty brown insect that is found all over Afghanistan
especially on wheat, barley and oat crops. After hatching from an egg, it has
five growth stages and four of them feed on wheat. Their eggs are green and
are laid in groups. Adults have a typical triangular head.
Background
Sunn pests damage the...

plantwise.org

Pomegranate trees aphids


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Pomegranate trees aphids
Recognize the problem
These insects are the same size as ants and have two kinds, one with wings
and one without wings, which are yellowish green in colour. These insects can
be found near the leaf veins, the flowers or the fruit. The aphids damage the
fruit and feed on the leaves, causing them to curl up, turn yellow and...

plantwise.org

Woolly apple aphid


20157801458.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Woolly Apple Aphid
Recognize the problem
Woolly apple aphid is one of the most important pests in apple and can result
in high production losses.
In winter, the aphids survive as nymphs on the stems, shoots and roots of
trees, and in summer they emerge. The insects gather and feed on the sap of
plants, causing the plant to become weak and eventually die....

plantwise.org

Chemical control of downy mildew of cucurbits


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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

Chemical control of early blight on tomato


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Chemical control of Early Blight on Tomato
Recognize the problem
Early blight of tomato is one of the most serious diseases of tomato. It causes
small, isolated, scattered pale brown spots on the leaf. Completely developed
spots are irregular, brown to dark brown in colour, with many rings inside the
spots. Spots join together to form large patches...

plantwise.org

Powdery mildew of grapevine


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Powdery mildew of grapevine
Recognize the problem
Powdery mildew is a fungal disease. It attacks all parts of the plant including
leaves, fruits and vines. The symptoms include a dusty appearance of whitish
or greenish-white powdery patches on the underside of the leaves. In severe
cases, green leaves curl upwards and turn white or yellow. Shoots are also...

plantwise.org

Rice damping off


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Rice Damping off
Recognize the problem
This is a soil borne fungal disease and can be recognized by the presence of a
cottony or fine thread-like growth on the surface of the seed before or after its
emergence at early stages. In severe cases the entire seed is covered by a
cottony mass and no germination takes place.
Background
The disease is caused by...

plantwise.org

Smut disease in wheat


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Afghanistan
,
October
2012
Smut Disease in wheat
Recognize the problem
Two kinds of smut, loose and covered, are very common and serious diseases
of wheat in Afghanistan. Loose smut is not visible until ears of infected plants
emerge, when a dark brown or black spore mass (powder) is found on them.
Wheat plants infected with covered smut are difficult to recognise in the field
as...

plantwise.org

Common pests and diseases of citrus: Afghanistan


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Common pest s and diseases of Citrus Afghanistan
Citrus Canker Leaf miner
• Lesions are usually raised coloured tan to brown
spots on leaves.
• The disease causes citrus trees to prematurely drop
leaves and fruits . It can also cause dieback of twigs
and branches.
• Trees stop producing fruits .
• Citrus leaf miner larvae feed by creating shallow
tunnels or mines in young leaves.
• The mining causes the...

plantwise.org

Common pests and diseases of okra: Afghanistan


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Common pest s and diseases of okra Afghanistan
Aphids Okra p owdery m ildew
• These small creatures feed by sucking the sap from
plants.
• If a phids infestation is heavy it may cause leaves to
yellow or distorted, necrotic spots on leaves and
stunted shoots.
• Aphids transmit virus diseases.
• A white, powdery growth appears on the upper
leaves surfaces.
• Severely infected leaves detach and fall down...

plantwise.org

Common pests and diseases of bean: Afghanistan


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Common pests and d iseases of bean Afghanistan
Anthracnose Alternaria leaf spot
• Small, dark brown to black lesions on cotyledons.
• Pods drying and shrinking above areas of visible
symptoms.
• Reddish brown spots on pods which become circular
and sunken with rust colored margin.
• Small irregular brown lesions on leaves which
expand and turn grey-brown or dark brown with
concentric zones.
• Older areas of...

plantwise.org

Common pests and diseases of lettuce: Afghanistan


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Common pests and diseases of Lettuce Afghanistan
Lettuce anthracnose
• The first symptoms of anthracnose appear as small
circular to angular water soaked lesions on the lower
leaves.
• Centres of lesions become necrotic and often fall out
leading to a shot hole appearance.
• Similar sunken lesions on the veins develop and
form pits along the midribs.
• A nthracnose lesions coalesce and leaf tissues turn
brown and...

plantwise.org

Common pests and diseases of eggplant: Afghanistan


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Common pest s and d iseases of e ggplant Afghanistan
Damping off Fruit borer
• Seedlings affected by damping off fail to
emerge or fall over and die soon after
emergence.
• Stem s usually have a dark, shrivelled portion at
the soil line.
• Small darkened holes surrounded with
brownish areas on fruit surface.
• Soon after hatching, larvae bore into nearest
tender shoot, flower or fruit.
• The damaged shoot,...

plantwise.org

karnal


karnal.jpg

Karnal bunt
What is it? Karnal bunt (also known as partial bunt) is a
quarantine disease of wheat (Triticum aestivum),
durum wheat (T. durum) and triticale
(x Triticosecale). It is caused by the fungal
pathogen Tilletia indica. The pathogen is not
present in the UK or in any EU member state.
However, it has been intercepted in grain
imports from countries already known to have
Karnal bunt. If the pathogen were to be
introduced it could establish...

planthealthportal.defra.gov.uk

43. Malt barley production in Ethiopia


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BARLEY
Post-harvest Operations
- Post-harvest Compendium
BARLEY: Post-Harvest Operations
Organisation:The Central Research Institute for Field Crops, P.O.Box. 226, Ulus,
Ankara,Turkey
Author: Taner Akar, Muzaffer Avci and Fazil Dusunceli
Edited by AGST/FAO: Danilo Mejía, PhD, FAO (Technical)
Last reviewed: 15/06/2004
Contents
Preface...

fao.org

 

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