Phytopathology

Agrotica > Phytopathology

Mites on Strawberries

The intensive production of strawberries coincides with the development of plasticulture in Algeria, in 1989 for the wilaya of Tipaza. Strawberry cultivation was launched on an experimental basis in Jijel in 2001-2002, on a four (4) hectare surface area. Today two (2) wilayas TIPAZA and...

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What happened to the oaks in Lebanon?

The phenomenon of leaf loss of oak trees in most Lebanese regions is due to the feeding of the larvae of the gypsy moth insect on their leaves. However, the oak tree, known for its resilience, eventually recovers, as its shoots and leaves grow back...

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Phytophthora infestans (late blight)

Late blight is a fungal disease which considered as one of the important diseases that affect tomato and potato crops and causes them significant economic losses. Its danger stem from its rapid spread....

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Potato golden Cyst Nematodes – Globodera rostochiensis

Potato Golden Cyst Nematode (Globodera rostochiensis) is a serious agricultural and quarantine pest. Cysts can live in soil for 30 years and the nematode can cause direct crop losses, increase pest control costs, constrain cropping patterns, and devalue infested land. Potatoes and tomatoes are the...

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Peach Leaf Curl

Taphrina deformans is the causative agent of peach and almond leaf curl disease. The fungus spends the winter period on twigs, under affected buds, and in the cracks of bark. The climatic factors suitable for the spread of this disease are a relatively warm and...

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Strawberry Fruit Rot or Gray Mold

Botrytis cinerea is a fungus that causes a commercially damaging disease in strawberries, known as Botrytis rot or gray mold. The disease can infect strawberries in the field, as well as during transportation, can invade storage rooms, and can induce problems in the marketing of...

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Pre Harvest Interval PHI

The Pre-Harvest interval (PHI) for agricultural pesticides is the period that must be observed before the harvested produce becomes safe for consumption. Respecting this period aims to preserve the safety of the consumer by producing a clean crop that contains low percentages of sedimentation that...

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Bacterial Spots on Tomato Fruits and Leaves

Tomato farmers often notice spots of various shapes and sizes on tomato fruits and leaves in the open field or inside greenhouses. These spots increase in size and number when the weather is humid and moderately warm. It is a sign that these plants need...

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Disease Resistant Varieties … Are They Genetically Modified?

Diseases affecting tomatoes in greenhouses have changed over the past years. Up until 2015, nematodes and TYLCV were the main concern of farmers, yet Fusarium became the most widespread and harmful disease and the first concern for farmers, merchants and agricultural companies. Fusarium is the...

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