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Preparation of Tephrosia extract as a natural insecticide


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Uganda, October 2017
Preparation of Tephrosia extract as a natural insecticide
Recognize the problem
Chemical pesticides are expensive and not accessible to the majority of small
holder farmers. Moreover, there are issues arising from their toxicity and
environmental impacts. In addition, several pests have been reported to have
developed resistance to such chemicals. There are also many...

plantwise.org

Harvesting and drying of cashew nuts


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FACTSHEETS FOR FARMERS www.plantwise.orgCreated in Zambia, July 2017 Harvesting and drying of cashew nuts Recognize the problem Harvesting and drying have an effect on the quality on cashew nuts. If not properly dried, the quality of the cashews will be bad and this will reduce the selling price of the nuts. Early harvest of cashew results in shrivelled nuts. Poorly dried nuts may develop mould and this will give a dark greyish colour to the...

plantwise.org

Protective sprays for bacterial spot on tomato


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
Protective sprays for bacterial spot on tomato
Recognize the problem
Bacterial spot disease may appear wherever tomato and peppers are grown. It
affects leaves, stems, fruits, seeds and flowers. Symptoms are small, dark-
grey, greasy-looking spots. When severe, leaves shrivel and die. Bacterial spot
is similar to another disease of tomato, bacterial speck. Symptoms of bacteria...

plantwise.org

Safe use of agrochemicals


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Bolivia, July 2012
Safe use of agrochemicals
Recognize the problem
If agrochemicals are used incorrectly, they may harm our health and even kill
us. They may harm our kids and pets and may contaminate the water.
Background
Agrochemicals have labels of different colors.
• The red label is for extremely toxic agrochemicals
• The yellow label is for toxic chemicals
• The blue label is for slightly...

plantwise.org

Disposal of obsolete chemicals


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Barbados, October 2012
Disposal of obsolete chemicals
Recognize the problem
Farmers often have chemicals on their farm which, for various reasons, cannot
be used for any agricultural purpose and are a hazard to be kept on the farm.
The disposal of these chemicals cannot be done on-farm.
Background
Common causes of this situation include the following:
• the product has been withdrawn for...

plantwise.org

Irrigation quality


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in India, November 2012
Irrigation Quality
Recognize the problem
Irrigation with impure or poor quality water will have a negative effect on the
soil properties and, ultimately, on crop fertility and yield. The constitution and
concentration of salts in water can have negative effect on soil.
Background
Farmers use irrigation water without following the scientific guidelines. Total
salt...

plantwise.org

Nutrient deficiency


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in India, November 2012
Nutrient Deficiency
Recognize the problem
Stresses such as soil salinity, pathogens and air pollution induce their own
characteristic set of visual symptoms. These symptoms closely resemble those
of nutrient deficiency. Pathological symptoms can often be separated from
nutritional symptoms by their distribution in a population of affected plants. If
the plants are under a...

plantwise.org

Soil sample collection


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in India, November 2012
Soil Sample Collection
Recognize the problem
Soil testing is important in estimating the physical, chemical and biological
properties of soil. It will help to decide the exact nutrient requirement for the
crop. It also provides information on the existing nutrient status after harvest.
Background
Soil testing helps to record the available nutrients in the soil. Based on the...

plantwise.org

How to develop a pest scouting calendar


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, September 2016
How to develop a pest scouting calendar
Recognize the problem
Many different pests and diseases affect crop growth, leading to poor yields.
Some farmers notice their presence a bit late. This makes the pest control
more costly or sometimes impossible. This is due to the farmer’s failure to
scout and monitor their fields at specified regular intervals such as once in a...

plantwise.org

Tithonia diversifolia


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Rwanda, February 2016
Tithonia diversifolia
Recognize the problem
Family: Asteraceae (daisy family)
Common names: Mexican sunflower, shrub sunflower, tree marigold.
French: Tournesol mexicain; Kinyarwanda: Icyicamahirwe; Chichewa: Deliya.
Annual or perennial herbaceous broadleaved shrub, woody at the base [2–3 (–5) m
high]; stems slightly ridged and hairy when young.
Leaves: Greyish-green,...

plantwise.org

Neem seed extracts to control black citrus aphid


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, September 2016
Neem seed extracts to control black citrus aphid
Recognize the problem
Citrus aphids are tiny 1 to 3mm, brown to black soft roundish insects. Some
may be winged, but most are wingless. They suck juice from new shoots and
leaves. High numbers are normally found on new shoots and leaves. This leads
to curling and distortion in leaves. They also damage flower buds and they...

plantwise.org

Flooding to control rice hispid beetle


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, September 2016
Flooding to control rice hispid beetle
Recognize the problem
Rice hispid beetles (Simomo in Lozi) are small, shiny, blue-black and 4-5 mm
long. Their body has many tiny spines. Both the adult and the larvae damage
young rice plants. Adult beetles feed on the green leaves and larvae mines into
the leaves. Due to the damage young rice plants wither and die. This can
reduce...

plantwise.org

Prevent bean rust using fungicides


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, September 2016
Prevent bean rust using fungicides
Recognize the problem
Bean rust is a fungal disease of beans and other legumes. It can cause yield losses up to 30%.
It affects vegetative, flowering and fruiting stages of the bean plant. The disease symptoms are
yellow to yellowish-brown spots scattered over leaves. The symptoms are a little similar to those
of anthracnose of beans,...

plantwise.org

Maize stalk borer


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Potato bacterial wilt control


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Afghanistan, February 2016
Potato Bacterial Wilt Control
Recognize the problem
Bacterial wilt is economically a very important disease of potato throughout the
world and was first reported in 1896 in the United States of America. Potato
growers face losses from their potato production as a result of this disease. In
some countries in Africa, Asia and Latin America, bacterial wilt is endemic,...

plantwise.org

How to recognise banana Xanthomonas wilt


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ghana, May 2016
How to Recognise Banana Xanthomonas Wilt
Recognize the problem
Banana Xanthomonas wilt (BXW) is a devastating bacterial disease of banana and
plantain which is widespread in Central and East Africa. Once an outbreak occurs on a
farm, significant losses are inevitable. All types of banana are susceptible, no cultivars
have been found to be resistant. This disease is not present...

plantwise.org

Tomato yellow leaf curl virus


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Ageratum conyzoides


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, February 2016
Ageratum conyzoides
Recognize the problem
Family: Asteraceae (daisy family).
Common names: goatweed.
Kiswahili: matawana.
Annual broadleaved herb with green, purplish or reddish stems (0.3–1 (1.5) m tall).
Stem branched and covered in short white hairs on young parts and nodes; shallow
fibrous roots.
Leaves: Bright green, sparsely hairy, rough with prominent veins,...

plantwise.org

Baking soda against powdery mildew in okra


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, September 2016
Baking soda against powdery mildew in okra
Recognize the problem
Powdery mildew is a fungal disease. Plants affected by powdery mildew look
like they have been dusted with flour. The disease first starts off as circular
powdery white spots which can appear on leaves, stems and sometimes fruits.
Later it usually covers the entire upper part of the leaves. It affects the...

plantwise.org

Neem extract to control powdery mildew in okra


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, September 2016
Neem extract to control powdery mildew in okra
Recognize the problem
Powdery mildew (Bungabunga in Bemba) is a fungal disease and a common
problem in the dry and hot seasons. During the initial stages, whitish powdery
fungal spots can be seen on the leaves. When severe, the leaves become
totally covered with the whitish power, and then yellow, dried or brownish.
Stems can...

plantwise.org

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