• Steinernema feltiae

  January 1, 1970

  the host within a few days. They are often applied to the soil as a biological control method to target pest larvae, offering a natural and environmentally [...] pests by parasitizing and killing them, providing a natural and environmentally friendly method of pest management in agriculture and horticulture. How to [...] s can be applied using an airblast sprayer, a vehicle-mounted spray unit, a backpack sprayer or through a sprinkler system To avoid blockage, all filters

• Bacterial canker of tomato

  January 1, 1970

  clothing and gloves, disinfect tools and greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop [...] on stems, leaves and fruits. Leaves and shoots wilt. On the lower leaves, blister-like white lesions occur, which later turn brown and may merge. The leaves [...] the name ring rot. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne and primary infection is mostly from

• Beneficial nematodes

  January 1, 1970

  They are commonly used in greenhouse and nursery pest management and are becoming more and more popular in orchards and outdoor vegetable crops. Steinernema [...] are a group of parasitic nematodes that have a unique relationship with insects. These nematodes are natural predators of various insects and play a crucial [...] matter in soil or water, and are essential for nutrient recycling. Others are called parasitic nematodes, infecting plants, insects, animals, or humans. There

• Bacterial wilt, brown rot

  January 1, 1970

  solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range [...] Verticillium or Fusarium wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine organism in Europe and considered [...] considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical regions and is transferred by the

• Bean seed fly

  January 1, 1970

  eggs near the base of bean plants, and upon hatching, the larvae burrow into the soil and feed on the seeds and roots of young plants. Larvae mainly attack [...] feeding on emerged roots and cotyledons. Plants that survive are weak and less tolerant to subsequent attacks by other pests and plant pathogens. This feeding [...] emerge or show stunted growth compared to healthy plants. Damage to seeds: Darkened or damaged seeds, as bean seed fly larvae feed on seeds and can cause

• Cutworms

  January 1, 1970

  Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to grey-brown forewings with a faint kidney-shaped marking and a red spot [...] broad hindwings, evenly light or dark grey or orange-yellow with a broad dark marginal stripe. The wingspan is about 40-55 mm and the dorsal thorax is covered [...] separately or in batches on the ground, or on the plant close to ground level. The larvae are yellowish when hatching with a dark head capsule and prothoracic

• Tomato leafminer

  January 1, 1970

  found outside the leaf mines or fruit. Pupation takes place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines [...] leaflets or in the soil. When pupation occurs inside mines or fruits, the prepupae do not build cocoons. Pupae have a greenish coloration at first, and then [...] greenish with a black band behind the head. The prepupae of the tomato leaf miner ( Tuta absoluta ) are lighter than the feeding larvae and have a typical pink

• Crazy roots, hairy roots, crown gall

  January 1, 1970

  dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused by a change in [...] from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change in the plant. How to prevent Crazy roots [...] known as Agrobacterium tumefaciens or Agrobacterium radiobacter, Agrobacterium vitis, Agrobacterium rhizogenes and Agrobacterium rubi, n ow the first part

• Pea

  January 1, 1970

  vegetable is a bright green colour, sometimes yellow or purple and widely grown as a cool season vegetable crop. Immature peas are consumed as a vegetable [...] popular vegetable is a round seed in the seed pod of the fruit, Pisum sativum . Pods of this plant develop from the ovary of a pea flower and carry numerous [...] vegetable and often canned or frozen. Dry peas are shelled from matured pods.

• Aphids

  January 1, 1970

  yellowing, or discoloration. They may also excrete a sugary substance called honeydew, which can attract other insects and lead to the growth of a black sooty [...] of aphids that have been described, and they can be found in a variety of habitats throughout the world. Aphids form a single, very large group of insects: [...] length. They have a pear-shaped body with long antennae and two tube-like structures called tubercles on their rear end. Color: Aphids can be a variety of colors