• Root and crown rot of strawberry

  strawberry. Plant development is slow, growth is retarded and rooting is poor. Transplants look weak and may die. It is hard to visually distinguish between [...] longisetula in the case of leaf spots, such as leaf spot of strawberry and fruit rot reported mainly from Brazil. The genus is quite complex, so the taxonomy [...] taxonomy may change. Pestalotiopsis clavispora is also called Neopestalotiopsis clavispora. Pestalotiopsis clavispora has been connected to strawberry diseases

• Grapevine powdery mildew

  Grapevine powdery mildew (Erysiphe necator) is a widespread fungal disease that poses a serious threat to commercial viticulture worldwide. The pathogen [...] serves as a primary entry point for secondary infections, such as Botrytis bunch rot. Leaf symptoms Pale green to yellowish spots on the upper leaf surface [...] (Erysiphe necator) is closely synchronized with the vine growth stages and environmental conditions. Understanding its lifecycle is essential to implementing

• Cut flowers

  Argentina to Mexico and the Caribbean. Is grown from a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering plant [...] decades, the Hydrangea has been grown as a cut flower in all sorts of colors and sizes. Hippeastrum is the Latin name for a bulbous plant that originates from [...] freesias are graceful funnel-shaped hybrids, descended from a number of freesias. Lily : Lilium is a genus of herbaceous flowering plants. Most lilies originate

• Bedding plants

  annual, biennial or tender perennial plants used in gardens and parks. There is a wide range of plants especially produced to demonstrate coloured flowers [...] hairy roots, crown gall Cottony soft rot Broad mite Tomato leaf miner American serpentine leaf miner Potato aphid Cotton aphid Glasshouse potato aphid Lurem-TR [...] nigella, godetia, eschscholzia Tender annual or perennial plants are planted in a protected environment in late winter: begonia, chrysanthemum, arguranthemum

• Anthurium

  anthurium is a flowering, perennial plant and has beautiful, long lasting flowers that come in a variety of colours. However, the ‘flower’ is actually an [...] markets, red is the most popular colour. Other types include the obake anthuriums which are larger than the standard ones and their spathe has a more prolonged [...] an altered leaf (also called spathe) with many flowers on the spadix. Standard varieties of anthuriums are recognized by its uniform colours and heart-shaped

• Two-spotted spider mite

  more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface can lead [...] General Two-spotted spider mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very [...] are major crop pests. The two-spotted spider mite ( Tetranychus urticae ) is by far the most important species in greenhouses and many outdoor crops. Damage

• Dwarf bunt

  General Tilletia controversa is a plant pathogen. It is a fungus known to cause the smut disease TCK smut in soft white and hard red winter wheats, as [...] on all spikelets, showing the bunt (smut spore) they contain, which is larger than a normal kernel. The bunt balls are grey-brown. They rupture at harvest [...] healthy kernels, which in turn become a source of disease in the next season. The optimum temperature for germination is 3-8 °C and it takes three to ten weeks

• Greenhouse whitefly

  whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and the excess is excreted [...] remain flattened on the leaf. The fourth larva stadium develops into a white, oval case encircled by a ring of erect waxy rods. This is called the pupa stadium [...] es: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight

• Whitefly

  larvae need a lot of nutrients for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and the excess is excreted [...] es: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight [...] feeding weakens plants, causes leaf yellowing and leads to honeydew deposits that reduce crop quality. Effective whitefly control is essential to maintain healthy

• Beet armyworm

  wild vegetation during the summer. It is highly polyphagous, feeding on plants of more than 20 families. It is a serious pest in greenhouses, where it [...] worst damage is caused by attacks on flowers and buds. Life cycle and appearance of Beet armyworm The beet armyworm (Spodoptera exigua) is a small, nondescript [...] dark, wrinkled stripes dorsally and a yellow band running the length of the body on either side, above which there is a black dot on each segment. The young