• Tea

  states. Tea is native of China. Tea bush is sub-tropical and tropical plant grows well in hot and humid climate. The ideal temperature for growth is 20-30 0 [...] sinensis (China jats) and their natural hybrid, C. assamica subspecies lasiocalyx (Indo China or cambod type). Tea is a dried leaf of a bush and contains theine [...] Camellia and family Camelliaceae. Tea plant is an economically important plantation crop extensively cultivated in the hills of North-eastern and Southern

• Greenhouse whitefly

  feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf [...] roses, gerbera and poinsettia. Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This [...] proportion of sugar, and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the

• Parasitic wasps

  Biodiversity and ecosystem balance: The introduction of parasitic wasps into commercial growing environments can promote biodiversity, as the use of harmful [...] in the crop, which can enhance overall crop health and resilience. A diverse ecosystem often means fewer imbalances and outbreaks of specific pest species [...] population of harmful insects, making them valuable allies in horticulture and agriculture. Unlike chemical pesticides, parasitic wasps are natural and do not

• Powdery mildew

  General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] outdoor grown rose and other Rosaceae , the fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore [...] fungi, meaning they feed on living plant cells and barely survive in the absence of a living crop. They survive as ascospores or perithecia, structures containing

• Green potted plants

  tolerant of drought, but also air pollution. Dieffenbachia is a very popular ornamental plant and usually sold as houseplant. The leaves of the Dieffenbachia [...] the spurge family of Euphorbiaceae and is an extensive, flowering plant. Succulents , also referred to as succulent plants or at times as water storage plants [...] many species of green potted plants, the most common are: Ficus Skimmia come in many varieties and are usually used as garden plants, because of their attractive

• Black sigatoka disease

  further and the tissue around the lesions turns yellow and dies. Lesions merge and the whole leaf turns brown and ultimately dies. In cases of severe infection [...] die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered. Life cycle and appearance of Black sigatoka disease Black sigatoka [...] stomata and either develop into conidiophores with new conidia or grow across the surface and infect adjacent stomata. Both types of spores can germinate

• Fusarium wilt

  General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores [...] cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt, mostly on one side of the plant

• Anagyrus vladimiri

  fluids of its mealybug hosts. This behavior serves a dual purpose, including nutritional intake and pre-reproductive conditioning. Life cycle and appearance [...] appearance of Anagyrus vladimiri Adults show marked sexual dimorphism: the female is about 1.5-2 mm in length and brown, with distinctive black and white banded [...] posterior end of the mummy. Anagyrus vladimiri has a strong photokinetic response, i.e. the female is strongly attracted to light and is inactive in darkness

• Fusarium head blight or scab

  General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] many years in the soil and on crop residues of infected plants as chlamydospores (thick walled mycelium cells) or mycelium. Survival is also possible on seed [...] fusarium head blight in cereals, such as wheat (fusarium head blight wheat) and post-harvest decay. Life cycle and appearance of Fusarium head blight or scab Most

• Cottony soft rot

  wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium [...] also known as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony [...] formed. They can easily be seen with the naked eye and look like rat droppings. The symptoms may occur on stems but also on leaves, fruits and pods. Root