The adults of yam tuber beetles feed on the tuber making hemispherical holes which reduces quantity and quality of the tubers and predisposed them to rot organisms (Onwueme and Sinhad, 1991).
https://youtube.com/watch?v=jnzKgBqNqdo
How do you control yam beetles?
Preventive methods, such as planting as late in the season as possible and treating planting material with an insecticide before planting, are the best ways to control yam beetles and reduce the damage they cause.
What is a yam beetle?
A typical yam beetle is an insect pest of crop that affect yam. The young beetle is an example of piercing and boring insect. The yam beetle mostly affect yam that are already stored in the barn.
What is the method of propagation of yam?
Propagation Yams are propagated vegetatively from small tubers. Land should be prepared for planting by plowing and harrowing. Tubers should be planted in trenches to a depth of 15 cm (6 in) allowing at least 30 cm (12 in) between individual plants and 1.5 m (5 ft) between rows.
What is the pest for yam?
Some of the most common pests associated with yams are nematodes (including root-knot nematodes (Meloidogyne spp.) and lesion nematodes (Scutellonema bradys, Pratylenchus spp.), viruses and insects (yam tuber beetle, scale insects and termites) (Coyne, 2015).
How is yam disease controlled?
The management strategies adopted and advocated for combating the field diseases includes the use of crop rotation, fallowing, planting of healthy material, the destruction of infected crop cultivars and the use of resistant cultivars.
What is the scientific name of yam beetle?
The most devastating of these insect pests are the yam tuber beetles (Heteroligus meles) and termites (Amitermes evancifer) which causes considerable loss to farmers who grow yams (Taylor, 1963).
What is yam shoot beetle?
Yam shoot beetles:
Adult feed on yam leaves and cause vine to die or defoliate.
Is yam beetle a field pest?
Yam scales, mealybugs, and a few beetles cause significant losses to tubers both in the field and in storage. We review various methods of management for these insect pests. An integrated approach towards managing these pests, both in the field and in storage, is essential.
What are yam used for?
They’re a great source of fiber, potassium, manganese, copper, and antioxidants. Yams are linked to various health benefits and may boost brain health, reduce inflammation, and improve blood sugar control. They’re versatile, easy to prepare, and a great vegetable to include in your diet in both sweet and savory dishes.
What is propagation method?
Plant propagation is the process of creating new plants. There are two types of propagation: sexual and asexual. Sexual reproduction is the union of the pollen and egg, drawing from the genes of two parents to create a new, third individual. Sexual propagation involves the floral parts of a plant.
How do you apply yam fertilizer?
The recommended amount of Fertilizer is split into two, one-half applied about one month after emergence and the other half applied about two months after the rst application. The band method of Fertilizer application is used, with the Fertilizer being placed about 10 cm away from the plants.
Which part of yam is used for propagation?
tuber
Traditionally, ‘seed’ yams or setts (tuber portions) are used for propagation. The yam tuber, which contains a deposit of starch, does not have dormant buds as found on a typical tuber such as potato (Solanum tuberosum).
What is the common name for yam?
Air potato (Dioscorea bulbifera); leaves and aerial bulbils.
Pictures.
| Title | Leaves |
|---|---|
| Caption | Dioscorea alata (winged yam, uhi); leaves. Maui Nui Botanical Garden, Maui. November 06, 2006 |
What type of plant is yam?
Yams are a monocot (a plant having one embryonic seed leaf) and from the Dioscoreaceae or Yam family. Sweet Potatoes, often called ‘yams’, are a dicot (a plant having two embryonic seed leaves) and are from the Convolvulacea or morning glory family.
How is yam stored?
The tubers are stacked up to the top of the hut, but only varieties with hard corky skins that are not easily bruised are stored in this way. In Ghana, and also in Côte d’Ivoire, yams are stored in pits. The earth which is excavated in making the pit is placed to form a low wall around the edge.
How do you cure yams before planting?
- Before planting, treat seed tubers (mini-sets or small tubers) with a mixed solution of insecticide, fungicide and nematicide prepared as follows:
- Dip seed tubers into this solution for 2 to 3 minutes, and then leave them in a shaded place (e.g. under a tree) for 18 to 24 hours to allow the cut surface to dry.
What is a beetle life cycle?
Four stages of a beetle’s life cycle. The life cycle of a beetle is known as a complete metamorphosis, meaning it has four very different stages: egg, larval, pupal and adult.
What part of yam is edible?
tubers
yam, any of several plant species of the genus Dioscorea (family Dioscoreaceae) grown for their edible tubers. Yams are native to warmer regions of both hemispheres, and several species are cultivated as staple food crops in the tropics.
What is yam seed?
Yam (Dioscorea rotundata Poir.) is a major staple and cash crop for millions of households in West Africa, where about 93% of the world crop is produced. The tuber serves as food and seed. Depending on the size, seed tubers are often cut into setts, minisetts, or planted whole.
Is yam good for pregnant woman?
Yams are definitely good to eat during pregnancy, but wild yams are not, they can be harmful to expecting mothers. Your typical yam is low in fat and sodium while being rich in antioxidants, dietary fiber, and potassium.
Elvira Bowen is a food expert who has dedicated her life to understanding the science of cooking. She has worked in some of the world’s most prestigious kitchens, and has published several cookbooks that have become bestsellers. Elvira is known for her creative approach to cuisine, and her passion for teaching others about the culinary arts.