• Brown soft scale

  January 1, 1970

  which can cover the leaves, flowers and fruit of the host and reduce photosynthesis and respiration. Life cycle and appearance of Brown soft scale The scale [...] active for two or three days and disperse locally before settling. Once fixed in position, their colour changes to a transparent, light brown and they begin [...] soft scale Coccus hesperidum is very common in tropical and sub-tropical regions and is also a common pest in greenhouses throughout the world. C. hesperidum

• Onion

  January 1, 1970

  results onion fly, bean seed fly and fusarium wilt Trial results Onion fly and Fusarium wilt Trial results onion fly and bean seed fly About The onion ( [...] The onion plant is usually a biennial or perennial plan. When cultivated however, the plant is mostly handled as an annual and harvested at the end of its [...] ( Allium cepa L.) , also referred to as the bulb onion or common onion, is a vegetable. This particular species is the most extensively produced species

• Goat moth

  January 1, 1970

  long, oval and reddish brown. The caterpillars are up to 10 cm long, pink when young, later with yellowish sides and a dark red back with a black head [...] cycle and appearance of Goat moth The wingspan of the adults is 70-100 mm; body and wings are dull greyish brown, partly suffused with grey and marked [...] at night in June or July and lay eggs on tree trunks in batches of up to 50. After the eggs hatch, the larvae bore into the bark and down to the sap wood

• Black bean aphid

  January 1, 1970

  production. Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops. Damage symptoms [...] spread all over the plant. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is

• Plum

  January 1, 1970

  Japanese plum ( Prunus salicina and hybrids), play a significant, commercial role. The plum is a drupe, so its firm and juicy flesh contains one single [...] About A plum is a fruit that belongs to the subgenus Prunus as well as the genus Prunus . This fruit comes in many species, and taxonomists cannot agree [...] not too big (between 1-3 inch diameter) and its shape is globose or more oval. The plum’s skin is soft with a natural wax layer.

• Caterpillars

  January 1, 1970

  leaves, stems and fruits, causing serious damage to greenhouse and field crops. Their feeding reduces photosynthesis, weakens plants and directly affects [...] Caterpillars are the larvae of butterflies and moths. Butterflies and moths form the order Lepidoptera, a very large group with more than 150,000 species [...] shoots, and their enormous feeding capacity can rapidly decimate a plant. Very small caterpillars are not able to chew and therefore graze the underside

• Click beetles

  January 1, 1970

  long, thin, cylindrical and though skinned. They are up to 25 mm long and usually shiny yellowish brown or light brown with a darker head. Larval development [...] the roots and bore into the base of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance [...] are 6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start

• Eggplant

  January 1, 1970

  Eggplant or aubergine ( Solanum melongena ) is a specific species of nightshade and is widely produced for its tasty fruit. In North America and Australia [...] is called eggplant and in South Africa and Southeast Asia it is known as brinjal. The eggplant is a member of the genus Solanum and is thus related to [...] to the tomato and potato. Botanically speaking however, the eggplant is classified as a berry. The fruit contains many small and soft seeds. These seeds

• Long-tailed mealybug

  January 1, 1970

  growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] auxiliary buds and prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs and females extract [...] Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit

• Akanthomyces muscarius

  January 1, 1970

  whitefly , thrips and aphids in vegetables, ornamentals , nursery trees and soft fruit in protected cultivation. Mycotal is safe and easy to use and can be applied [...] of whiteflies, aphids, and thrips, providing a natural and environmentally friendly method of pest control in agriculture and horticulture. Best conditions [...] system and disrupt its normal physiological functions. Lecanicillium muscarium is frequently applied as a microbial pesticide in agriculture and horticulture