• Cabbage

  biennial plant with green, white or purple leaves. This plant is usually grown as an annual vegetable crop for consumption. Cabbage heads come in various sizes [...] sizes and their weight usually varies between 0.5 to 4 kilograms (or 1-9 lbs).

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• Oleander scale

  themselves to the plant and form a scale. Colonies mainly form on the underside of leaves. After 1 to 2 months, the female reaches adulthood and begins to lay [...] wilting and may reduce the photosynthetic area of the plants, leading to lower yield. Damage to fruit occurs in heavy infestations, where spotting and often [...] fruits affects market value. In olives this is seen as green spots on purple fruits. Damage to foliage is particularly important in ornamentals . Heavy infestation

• Tutasan

  Preparation Place the pheromone dispenser in the green canister and attach it to the upper central part of the trap Fill the trap with water to the level indicated [...] which lures the male moths to the trap where they get trapped in the water. Trapping males reduces the amount of eggs laid by females who fail to mate. Pr [...] connect the trap to a dripper and make sure the water drips properly into the trap Add a small quantity of vegetable oil or liquid soap to the water A

• Mediterranean fruit fly

  hatching, the larvae feed on the flesh of the fruit. As each fly lays several eggs in a fruit and different flies may lay eggs in the same fruit, the number [...] black mouth hooks. The puparium is 4-5 mm long, yellowish brown to reddish brown and barrel-shaped. The eggs are laid below the skin of the host fruit. After [...] leave the fruit to pupate in the soil. C. capitata does not survive sub-zero winter temperatures.It is well named as ‘Mediterranean’, after the area in

• False codling moth

  inside the fruit. Once the final instar (fifth) is ready to pupate, it exist the fruit and drops to the ground where it pupates in the top layer of the soil [...] brown as the damage tissue decays. The mature larvae enlarge the hole to leave the fruit and pupate. Excreta can be found within the larvae tunnels in the fruit [...] Larval penetration holes in the fruit can only be found through thorough inspection. In green citrus fruit the peel around the penetration hole eventually

• Thrips

  cause damage in green-houses belong to the family Thripidae. Thrips damage Thrips cause damage to the plant by piercing the cells of the surface tissue [...] causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop [...] cause problems in agriculture and horticulture. Thrips are small insects (0.5-14 mm), with the largest species found in the tropics. In temperate regions

• Tomato leafminer

  place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] Damage symptoms The most distinctive symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars

• Aphids

  large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae, a family [...] growth is retarded, giving rise to deformed leaves, or even, if the infestation occurs early enough in the season, the death of young plants. Retarded growth [...] but is rich in sugars. Aphids therefore need to extract large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar

• Aphytis

  more doses in the areas of the field where the scales are present. Release early in the morning or late in the afternoon. Dosage The dosage of Aphytis depends [...] release points. Use the lid, the 8 strips of green paper, the cotton wool on the bottom and the cup itself. Distribute evenly across the field. Release more [...] adjusted to the particular situation. Start introduction as soon as the first armoured scales are detected in the crop. Introduction rates in outdoor crops