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Leaf folder or leaf roller attack in rice crop and its control دھان یا مونجی فصل میں پتّہ لپیٹ سنڈی کا حملہ اور کنٹرول Leaf folder or patta lapaet sundi is a major pest in rice field. Its attack in rice crop is observed in August and September when weather is hot and humid. Excessive or late use of Nitrogenous fertilizers such as urea favours its infestation in rice fields. Attack symptoms: Rice leaves look folded and white scratch are seen on affected leaves. This insect pest makes injury on rice leaves which affect or decreases rate of photosynthesis and increases the chance of fungal diseases and bacterial diseases such as leaf blight etc. Chemical Control: First of all, perform pest scouting activity in rice field. if the month is August and you find 2 leaves attacked or affected per plant then it is threshold level or damaging level for this leaf folder insect pest and chemical spray application is required at this stage. Lamda cyhalothrin @ 250 ml per acre. Bifenthrin @ 250 ml per acre. Gamma cyhalothrin @ 100 ml per acre. #leaffolder #ricepest