يُعد استمرار العنكبوت الأحمر (Two-spotted spider mite – Tetranychus urticae) بعد الرش من أكثر المشكلات إرباكًا للمزارعين. في كثير من الحالات، لا يعود السبب إلى ضعف المبيد نفسه، بل إلى أخطاء علمية أو تطبيقية في برنامج المكافحة. القاعدة الذهبية: إذا عرفت السبب، زال العجب (وتوفّر المال). فشل المكافحة يقع غالبًا ضمن ثلاثة محاور رئيسية: المحور…
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العوامل الممرضة ودورة المرض يصيب مرض عفن الساق الصمغي العديد من محاصيل العائلة القرعية، بما في ذلك البطيخ، والشمام، والخيار، والقرع، والكوسا. وتشمل العوائل غير القرعية: الفاصولياء الخضراء، والبامية، والطماطم، والتبغ. يسبب المرض فطريات من أجناس Stagonosporopsis، وهي: تُعد Stagonosporopsis cucurbitacearum محددة العائل، إذ تصيب فقط النباتات القرعية، وهي النوع الأكثر شيوعًا على محاصيل القرعيات.…
read moreFlea beetles are destructive pests of pepper plants, leaving small holes that affect the health of the plant. This article from the World of Plants website provides an explanation of the symptoms of flea beetle disease on pepper plants and methods of prevention and control.
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Late blight is a fungal disease that affects onion leaves, causing dark spots and plant weakness. This article from the World of Plants website provides information about the symptoms of late blight on onion leaves and methods of effective prevention and control.
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The olive moth is an insect pest that attacks olive trees, causing damage to the leaves and fruits. This article from the “WORLD OF PLANTS” website explains how to recognize the infestation and ways to prevent it.
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Olive moth is an insect that infects olive leaves, causing yellow and brown spots to appear on the leaves. This article from the World of Plants website discusses the symptoms of the disease and methods of effective prevention and control.
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The black olive scale is a pest that affects olive trees, as it feeds on the plant's sap, causing poor growth. This article from the World of Plants website reviews how to prevent and control.
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The olive tree bark beetle is a harmful insect that feeds on the inner parts of the branches, leading to a deterioration in the health of the trees. This article from the “WORLD OF PLANTS” website discusses methods of prevention and control.
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Olive thrips are insects that feed on leaves and buds, causing them to curl and deform. This article from the World of Plants website provides tips on how to prevent and control.
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The olive tree bark fly is a pest that attacks olive trees, weakening the structural structure of the branches. This article from the World of Plants website reviews effective prevention and control methods.
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