Spinach

vegetable and is rich in iron. It is grown as a vegetable worldwide and growths to a height of about 30 cm. It is eaten fresh, steamed or boiled and has a high

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 [...] The onion ( Allium cepa L.) , also referred to as the bulb onion or common onion, is a vegetable. This particular species is the most extensively produced [...] its first production season. Onions are popular and therefore cultivated and used for cooking all around the world. Their flesh is pungent when chopped

Gerbera

family of daisies or Asteraceae . The flowering plant is originally from South Africa and grew among others in the Cape Province and Transvaal region. [...] Nowadays, the gerbera is still popular and extensively used as a decorative garden plant or sold as cut flower. Domesticated cultivars are usually the [...] Gerbera hybrida and there are now many cultivars that differ greatly in size, shape and colour. The main colours are white, yellow, orange, red and pink, but

Obscure mealybug

growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] the males form a dark false pupa followed by a pupa in rapid succession. The actual pupa develops inside a white, cottony cocoon. After a complete metamorphosis [...] other hand, settle on the leaf and begin to secrete wax, moulting to a third instar and then the adult female without a complete metamorphosis.

Bacterial soft rot, bacterial stem rot

harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the stem seems wet and slimy. Above [...] Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions first are small and sunken, water-soaked and light to [...] adjacent to wounds and natural openings at the stem end. Later the fruit becomes soft and lesion contents become liquid. Life cycle and appearance of Bacterial

Maize

About Maize or corn ( Zea mays ), is a large grain plant that is divided in different types including: pod corn, sweet corn, flour corn and baby corn. Maize [...] adaptable to a whole range of climate conditions and is the single most extensively grown crop in Kenya. It is also the country's main staple food and is cultivated [...] small and largeholders. Every part of the maize plant has economic value: the grain, leaves, stalk, tassel, and cob can all be used to produce a large

Avocado

only one seed. The berry is green-skinned and fleshy and its shape resembles a pear or (large) egg. The avocado tree belongs to the flowering plant family [...] ‘alligator pear’ is a tree originating in South Central Mexico. Its nick name points to its fruit which is botanically speaking a large berry with only [...] Lauraceae . Commercially speaking, avocados are very valuable and the fruit is produced in tropical and Mediterranean regions. Avocados ripen only after they are

Western flower thrips

the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes. Adult [...] spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV). Both viruses affect a wide range of plants, and often a single host plant may be infected [...] occidentalis) can be found on a wide variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially

Rose

species and thousands of different cultivars. The rose is a woody, perennial plant which usually develops as a shrub, climbing or trailing with a stem that [...] rose plant can vary in shape and size, but are often ornate and bright coloured. Colours range from white to yellow, pink and orange to red, the most popular

Common bean

bean, French bean, garden bean, green bean, haricot bean, pop bean, or snap bean) is a herbaceous annual plant. Botanically speaking, it belongs to the legume [...] with other Phaseolus species. The common bean is a changeable species that has been cultivated already for a very long time. Wild varieties often tend to grow [...] types are identified as ‘bush beans’ or ‘pole beans’, depending on how they grow. Kidney beans, pinto beans, navy beans and wax beans belong to this group.