“Each application (of fungicides) costs me about UGX 50,000 (USD 13.66) per acre”, said Karugaba. To guard against late blight, farmers like Tumwesigwe and Karugaba must spray their fields at least once a week with fungicides, digging deeper into their savings to protect their source of livelihood. In Uganda alone, the disease can cause annual losses between $60 and 100 million. This is the same potato disease that caused a famine in Ireland in the 1800s that killed two million people. Loosing up to 60% of their potato crop due to the devastating late blight disease has been the most dreadful. They have experienced firsthand the challenges that come with potato farming in this fertile region. These two are part of 300,000 smallholders who grow potatoes in Uganda for subsistence and income. In Kabale, approximately 410 kilometres (by road), south-west of Kampala -the capital of Uganda - and bordering Rwanda to the east and south, we meet two farmers: Bone-Konsira Tumwesigwe and John Karugaba. It entails putting them at the center of these innovations. Successful innovation for agriculture will depend on thorough and careful understanding of the aspirations of beneficiaries and the challenges farmers face. To get a good harvest, she must spray her field with fungicides on a weekly basis, a labor intensive, time consuming and expensive undertaking. CGIAR Research Program on Roots, Tubers and Bananasįarmer Bone-Konsira Tumwesigye holds some potatoes in her hands.Wear suitable protective clothing and gloves. Do not empty into drains dispose of this material and its container in a safe way.Ħ. Keep away from food, drink and animal feeding stuffs.ģ. Keep away from sparks and naked flames.Ģ. Store in dry conditions and make sure that the bag is kept tightly closed when not in use. Potatoes: 7 days Cereals : before early milk stage (GS 73) Apples : 28 days Onions : 28 days Use 2.0 kg minimum spray volume 300 litres per hectare. ONIONS – CONTROL OF DOWNY MILDEW Start spraying at disease onset and repeat a 7 day intervals. Spray for Septoria tritici when a wet period is recorded from growth stage 32 onwards and spray for brown rust from GS 39 onwards. Maximum number of treatments is 3 per crop.Īpply from the start of stem extension at 10-14 days intervals depending on disease incidence, and before the disease becomes established. WINTER AND SPRING WHEAT – FOR MODERATE CONTROL OF SEPTORIA TRITICI ON WHEAT, REDUCTION OF BROWN RUST ON WHEATĢ.0 kg in 200-600 litres water per hectare. The safety of Manzate 75 WG on parasites and predators used in integrated control systems has not been established and safety cannot be assumed. Start spraying at bud burst and repeat sprays at 7-10 days intervals until the end of June, or later if necessary. IN ALL CASES EFFICIENT SPRAYING TO GIVE COMPLETE COVERAGE OF FOLIAGE IS ESSENTIALĪpplication rate: 2.5 kg in 500-1000 litres water per hectareĪpplication rate: 2.0 kg in 500-1000 litres water per hectare *Irrigated crops for 10 days after burning off. Areas where blight is less common and less severe.Īpply the first spray when a blight warning is issued: Further application should be made at 10-14 days intervals for as long as blight conditions persist, until the haulm is burnt off. Repeat every 10 days until the haulm is burnt off.Ī 7 day spray interval may be used under exceptional circumstances where for instance, blight risk is already high and rain is forecast at the time the next spray is due.Ģ. Maintain agitation during spraying.Īpply 1.7 kg Manzate 75 WG® in at least 200 litres of water per hectare.Īpply the first spray before the haulm meets across the rows or as soon as a blight warning is received, whichever occurs first. Complete filling and agitate the solution before spraying commences. Steadily add the recommended quantity of Manzate 75 WG® direct to the spray tank. PREPARATION OF SPRAY Half fill the sprayer tank with clean water. Water dispersible granule (WG) containing 75% w/w Mancozeb For the control of potato blight and apple scab, and moderate control of Septoria tritici on wheat, reduction of brown rust on wheat and downy mildew on onions.
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