Stalk Borer In Maize

Desember 29, 2020 Posting Komentar

The African maize stalk borer also attacks sorghum. Based on artificial infestation of plants followed by evaluation of leaf feeding.

A Maize Plant Showing Signs Of Stalk Borer Attack B Maize Stalk Download Scientific Diagram

Maize stalk borers are common pests throughout sub-Saharan Africa.

Stalk borer in maize. HOW DOES THE CATERPILLAR GET TO THE CROP. Maize infested by the borer is twisted and stunted and the stalk at the surface of the ground may be enlarged. Stalk tunnelling was evident in all the maize plants that had been attacked by the stalk borer Fig.

Continue reading How To Control Striga And Stem Borer In Maize Farm. A farmer can pick up evidence on the maize from as early as three weeks. As their name suggest the.

How do you look for Stalk borer infestations. The most prominent sign to look for is holes on the leaves in perfect formation. As the name indicates the larva of the stalk borer bores into the stalkstem of the host plant and feeds within the plant.

The main hosts of the African stalk borer are maize and sorghum. Every year they destroy a great deal of the maize crop. It is the best source of energy for farm animals.

1C due to the feeding of the insect larvae feeding on the plant stem tissue. When stalk borer larvae feed on MON 810 Bt-maize plants they ingest the. The maize stalk or stem borer is a widespread pest found throughout tropical and sub-tropical areas and is one of the major pests of maize a major crop in Afghanistan.

When to apply For good stalk borer control with pepper and ash mixture. That is commonly planted on a commercial scale. Stalk borer Busseola fusca is the most important insect pest to most cereal crops eg maize in Africa especially in KenyaIt belongs to the Noctuidae family of moths which includes the cutworms and armyworms.

They have many holes caused by larval feeding when the leaf was still in the whorl stage. This event produces one Bt protein in Bt-maize plants. The insect species was identified as Busseola fusca Fig.

African maize stalk borer. Many natural enemies of the African maize stalk borer have been reported but their impact is variable across regions seasons and crops. It mainly affects maize millet sorghum sugarcane rice finger millet and some types of grasses.

Its by-products are essential to humans and animals especially in animal production. The spotted stem borer also attacks sorghum bulrush millet sugarcane and rice and the African pink stem borer also attacks finger millet sugarcane and rice. Perceur de la tige du maïs.

Plants that are 3 to 5 weeks old are at risk of attack by the stalkborer caterpillar. It is a primary component of animal feeds. Here we present a comprehensive annotated transcriptome of B.

3 Follow this simple method and get more maize. PAGE 3 What is YieldGard maize. The southern cornstalk borer is one of the most damaging maize insects in the southern states.

Threshold for stalk borers is 3 to 10 larvae on each plant out of 100 plants. Most farmers face economic problems while the stalk borer pest infests their maize field. Fusca originally collected in t.

Maize is a staple crop. It also attacks few grass species wild sorghum species mainly but it is rarely found in natural habitats. Two of the most abundant natural enemies of the African maize stalk borer are the larval parasitoids Cotesia sesamiae Cameron and Bracon sesamiae Cameron.

The adults are dark reddish-brown moths that have a wingspan of about 25 to 40mm. This stem borer is also a pest of pearl millet in Mali Burkina Faso and Eritrea. Moths fly at night and lay eggs on maize plants between the leaf sheath and the stem on the.

The inheritance of resistance to the African stem borer Busseola fusca in maize was investigated by means of line x tester analyses in the F1 to F4 generations of crosses between 18 susceptible inbred lines and two resistant testers of common genetic background. Look for stalk borer damage every 3 days starting 2 weeks after plants emerge in the lower drier areas like West Pokot and 3-4 weeks in the medium higher altitude areas. Busseola fusca Fuller Lepidoptera.

Biological Control Many natural enemies of the African maize stalk borer have been reported two of the most abundant natural enemies or the larval parasitoids cotesia sesamiac and bracon sesamiac 10. Check for white-yellowish larvae with a grey tinge or pinkish colour. For farmers it is recommended to organize the dry stalks before the next cropping.

Noctuidae the maize stalk borer is a widespread crop pest in sub-Saharan Africa that has been the focus of biological research and intensive management strategies. There are three main species of stalk borers which attack maize. However the head is normally dark brown.

Chemical Control Simple neem products are. YieldGard or MON 810 to give it its event name was introduced commercially in South Africa in 1998. Irrespective of the level of production the yield from a maize farm.

This is referred to as shotgun damage. Stalk borer larvae can be as long as 32mm and are slender. The worm is usually cream white in color but sometimes has some grey and pink marks.

The eggs are approximately 05mm long and are a pink-brown colour in a sculpted globular shape. They have white antennae and 5 or 6 spots that are white in colour. Maize is the one most affected and leads to reduction on grain yields.

First signs of stalkborer attack are small holes or windows in straight lines across the newest leaves of maize or sorghum. Stalk Borer Identification and Habitat. Le foreur africain des tiges du mais.

1D which is also known as the African maize stalk. Maize stalkborers are serious insect pests in Kenya. Plant early at least 2 weeks before on-set of rains.

The leaves are ragged broken and dangling. In stalks the maize stem borer infestation was also recorded highest at Palo. Different stages of the stalkborer.

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