Bacterial canker of tomato

infected propagation material. It spreads to other seedlings by touching the plants in greenhouse crops and by water in field crops, for example through [...] eradicate the infection. In tomato, growers must either destroy the infected crop entirely or, if the crop is old, only the plants in the infected area, with [...] d lesions occur, usually white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are

Soybean

indigenous to East Asia. It is extensively cultivated for its edible beans. The fruit of the plant is a hairy pod, that grows clustered in small bunches of three [...] inch) and contains two or four seeds that measure 5-11 mm in diameter. Soybean seeds vary greatly in size and the hull can be black or brown, but also blue

Mushroom

Agaricus bisporus , is considered safe for most people to eat because it is grown in controlled, sterilized environments. Several varieties of A. bisporus [...] fruiting body of a fungus, typically produced above ground on soil or on its food source. Edible mushrooms are the fleshy and edible fruit bodies of several [...] poisonous effects on humans and desirable taste and aroma. Most mushrooms sold in supermarkets have been commercially grown on mushroom farms. The most popular

Mealybugs and scales

fruit are concerned, these often drop off; plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein, mealybugs must [...] because of the sooty mould that grows on it. Ants are also attracted by the honeydew. In fact, the honeydew with its sooty mould is usually the first sign [...] scales also produce honeydew (on which moulds grow) resulting in considerable damage in ornamental and fruit crops and loss of value. Armoured scales do

Citrus mealybug

soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays several hundreds of eggs in an elongated cottony egg sac [...] many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics and sub-tropics [...] especially in fruit trees and ornamental crops, particularly in pot plants such as ficus, palms, schefflera, croton and kalanchoë, but also in roses and

Raspberry

raspberry to distinguish it from other raspberries, is a red-fruited species of Rubus. This particular plant species has its origins in Europe and northern [...] northern Asia, but nowadays the fruit is being extensively produced in other temperate regions. In North America, the variety Rubus idaeus var. strigosus , is [...] and sweet but tart-flavoured. Raspberries are a seasonal fruit and produced in summer or early autumn. Botanically speaking, the raspberry is not a berry

Hemp russet mite

on the underside of leaves. This results in smaller leaf size and suppressed bud growth leading to a reduction in the number of buds and dwarfed buds. This [...] Aculops cannabicola ) belongs to the family Eriophyidae (gall and rust mites). It does not produce galls but lives freely (vagrant) on hemp/cannabis plants [...] Aculops cannabicola is host specific to hemp/cannabis ( Cannabis sativa ). It cannot survive on other plants. Damage symptoms Damage is caused by the mites

A step-by-step guide to whitefly control

causing damage to fruits, and it requires an abundant prey population to sustain its effectiveness. It is not recommended for use in gerbera cultivation due [...] Thrives in higher temperatures, making it more suitable for warmer climates. Distribution: Actively disperses across crops, showing strong mobility in locating [...] for its efficacy in tomato production. This predatory bug controls whiteflies by preying on all life stages, particularly eggs and larvae, using its pi

Amblydromalus limonicus

Amblydromalus limonicus is a species of predatory mite known for its role in biological pest control . Amblydromalus limonicus is a natural enemy of various [...] fluids from leaves, which is useful for instance in sweet pepper crops as the predatory mite can establish in the crop before the pest appears. Amblydromalus [...] (less than 24 hours old, white in colour) are a much better prey than older whitefly eggs (more than 24 hours old, brown in colour). At 25°C under optimal

Long-tailed mealybug

yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must [...] General Pseudococcus longispinus occurs naturally in tropical and sub-tropical regions, but these days it is widespread throughout the world. The range of [...] sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs