The sweet potato root can be injured by several soil insects including: the sweet potato weevil, rootworms, wireworms, white grubs, whitefringed beetles and flea beetles. The sweet potato weevil larva is the only insect that tunnels throughout the root.

Cylas formicarius, the sweet potato weevil, is a species of sweet potato weevil in the beetle family Brentidae. It is found in Africa, Australia, the Caribbean, Europe, Northern Asia (excluding China), Central America, North America, Oceania, South America, Southern Asia, the Pacific Ocean, and temperate Asia. [1] [2] [3]

2021年6月11日 · Sweet potato weevil is a serious pest of sweet potatoes because even minor damage induces the production of terpenes that give an extremely bitter taste to the tubers, making them unmarketable.

This review aimed to summarize the infestation of sweet potato weevils, mode of infestation of weevils on sweet potato and various control strategies towards decreasing infestation of weevils in sweet potato plantation, hence increasing yield.

Learn how to identify and eliminate the destructive sweet potato weevil before it can destroy your crop! This article includes effective organic options to both treat and prevent an infestation.

Sweetpotato weevil is often considered to be the most serious pest of sweet potato, with reports of losses ranging from 5% to 97% in areas where the weevil occurs. There is a positive relationship between vine damage or weevil density, and tuber damage.

2020年3月29日 · Two principal sources of weevil that play an important role in the infestation of new sweet potato planting are; (1) carry-over of the insect in cuttings taken from old infested fields and (2) immigration of the weevil from alternative hosts or …

The sweet potato weevil is one of the most important pests of sweet potatoes. The larvae can kill young seedlings by boring into the stems and cause severe damage by boring into the storage roots of older plants.

Even low-level infestations of this weevil reduce marketable yield because sweet potato roots produce furano-terpenoids in response to weevil feeding that make even slightly damaged roots unpalatable (Uritani et al., 1975).

2024年12月2日 · The sweet potato weevil, Cylas formicarius, is a significant pest that affects sweet potato crops worldwide, particularly in tropical and subtropical regions. This insect belongs to the family Brentidae and is known for its distinctive elongated body shape, typically around 6-10 mm in length, with a reddish-brown color and a distinctive curved ...