Powdery Midew – Symptoms and Disease Control

Powdery Midew is a type of crop disease which affects crops like Carrot, Cucumber, Okro, Tomato, Hot pepper, Sweet pepper, etc. This fungus brings out a white powder on older leaves from the bottom lower and elder leaves through the youngest at the top of the plant. It is favored by a very high relative humidity and large temperatures variations between day and night and is spread by the wind. Symptoms and Damage Some of its symptoms include the following: Formation of a white powdery film on the leaves. Leaves…

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Gray Leaf Spot (Stemphylium spp) – Symptoms and Damage Control

It is a fungus which induces small spots on leaves and stems. It can spread quickly by rain and irrigation. It affects crops like Eggplant, Hot pepper, Sweet pepper and Tomato. Symptoms and Damage It affects the leaflet with several brown-red specks with angular shape and surrounded by a yellow area. The center turns grey and pierces itself. Leaves turn yellow and can fall. In same case, elongated spots can appear on young stems. Fruits are not affected. Damage Prevention Remove all crop residues and weed the parcel. Avoid overhead…

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Bacterial Stem Rot (Pectobacterium Carotovorum) – Symptoms and Damage Control

The Bacterial Stem rot affects crops like sweet pepper and Tomato. It is a bacterium which attacks fruits and stem. It survives in crop debris and can be spread by water. Symptoms and Damage The internal part of the stem rot and grows hollow. Plants turn yellow and start wilting. Large black stripes appear on stems. On fruit, slimy, viscous moisture rot can appear. Damage Prevention Some of the damage prevention measures include the following: Use healthy seeds. Remove all contaminated plants. Grow on well drained and aerated soils. Avoid…

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Root-knot nematode (Meloidogyne spp.) – Symptoms, Damage and Preventive measures

This affects all species. This is a microscopic soil worm living in hot, humid and airy soils that penetrates roots and causes growth decrease and plant death. It also enables other noxious soil organisms to enter in the plant. Symptoms and Damage Some of the symptoms of this disease include the following: Leaves yellowing and wilt from the bottom to the top. Plant becomes more sensitive to drought. There are lots of galls on roots. Damage Prevention Some of the possible damage prevention measures include the following: growing some other…

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Shoot Borer (Scorbipalpa Ergasima) – Symptoms and Damage Prevention

This is a lonely translucent back head caterpillar which attacks bugs, mostly during dry season. It is the type of disease that affects crops like Egg plant. At the end of larval stage, the caterpillar becomes red and falls on the soil where it will become a nymph. Holes due to caterpillar exit can then be seen on bud. Symptoms and Damage Caterpillars eat the inside part of buds, including abortion. Sometimes, they also attack young fruits, eating the inside part and stopping total development of the fruit. Damage Prevention…

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