Asian citrus psyllid

young stems and on leaves of all developmental stages. Nymphs feed on young leaves and stems, continuously secreting copious amounts of honeydew and a thread-like [...] distributed in southern Asia and the disease is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it has [...] huanglongbing (HLB). Nymphs and adults of the psyllid take the bacteria into their bodies by feeding on bacteria-infected plants and then disease is spread

Green peach aphid

least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth [...] making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering [...] tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety

Aphipar

dry and is not moved from its introduction site for at least a few days Dosage The dosage of Aphipar depends on climate, crop and aphid density and should [...] parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develops inside the aphid, which converts [...] your situation. Environmental conditions Most effective between 20 and 25°C (68 and 77°F). Effectivity is reduced at temperatures above 30°C/86°F. Combined

Black sigatoka disease

size and turn brown with light grey centres. These spots enlarge further and the tissue around the lesions turns yellow and dies. Lesions merge and the [...] hyphae emerge from the stomata and either develop into conidiophores with new conidia or grow across the surface and infect adjacent stomata. Both types [...] hampered. Life cycle and appearance of Black sigatoka disease Black sigatoka ( Mycosphaerella fijiensis ) produces both ascospores and conidia. The ascospores

Vidi Greenpath

hoppers in several crops and tea mosquito bug in tea Reasons to use Vidi Greenpath Green product Safe to natural parasites, predators and pollinators Approved [...] Environmental Aspect: Ecologically compatible and safe Economics: Leads to pest reduction which improves plant health and thereby increases crop productivity How [...] alkaloids that work as an Insect Growth Regulator (IGR) and act as an antifeedant agent against nymphs and adults. Affected insects do not molt leads to pest

Click beetles

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 [...] 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 takes 4 to [...] feigning death and then suddenly propel themselves into the air with a audible click. Hence their name. Their larvae are called wireworms and feed on the

Bacterial soft rot, bacterial stem rot

the fruits, lesions first are small and sunken, water-soaked and light to dark brown. They are adjacent to wounds and natural openings at the stem end. Later [...] that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the stem seems wet and slimy. Above or below the hollow [...] Later the fruit becomes soft and lesion contents become liquid. Life cycle and appearance of Bacterial soft rot, bacterial stem rot Erwinia carotovora

Beet armyworm

black. The colour and pattern of the caterpillars is highly variable and depends partly on the host plant, the stage of development and the climate. A full-grown [...] during the day and is active only at night. The forewings are grey-brown suffused with a dark brown or black. The head and thorax are brown and the abdomen [...] horticulturalists due to its resistance to nearly all insecticides, and its ability to develop on wild vegetation during the summer. It is highly polyphagous

Bacterial spot

are also round and small to start with and slightly raised from the leaf surface. They occur on the abaxial (underside of) leaf surfaces and may enlarge into [...] which become rough and light brown. On fruits the spots are first small, circular and green but they turn brown, become raised and look like cracked scab [...] bacteria are also seed-transmitted. Disease development is favoured by temperatures between 24 and 30 °C and high precipitation due to rain, fog or overhead

Melon thrips

then crinkle and die. Damaged terminal become discoloured, stunted and deformed. They preferably feed on leaves, less damage to buds and flowers. In addition [...] it drops to soil and pupate in soil. There are two pupal stages viz., prepupae and pupae. Adults are pale yellow or white in colour and 0.8 to 1mm in length [...] General It is polyphagous pest and has been recorded more than 36 plants families. Damage symptoms Nymphs and adults are damaging stage. Infested leaves