Common Papaya Disorders: A Comprehensive Guide

Papayas ready for sale. Source: Luis Tamayo (Dec 2009), via Flickr.
Papaya, also commonly known as the papaw or pawpaw, is a large tropical fruit-producing plant originating from Central America. Market demand for tropical fruits has steadily grown, and consequently, the papaya has become an important agricultural export in many countries around the world. As of 2020, India was the largest producer of papaya, followed by…
Read Further

Mealy Plum Aphid: An Overview

Mealy plum aphids on Prunus sp. (Whitney Cranshaw, Colorado State University, bugwood.org)
The mealy plum aphid, or reed aphid, is a sap-sucking plant pest that is commercially important for fruit tree farmers. It is present across the globe and can cause significant damage in large numbers. Introduction Aphids are small, soft-bodied, sap-sucking bugs in the family Aphididae which cause extensive damage to plants when in large numbers.…
Read Further

Pests and diseases: cocoyam production in Ghana

Pile of cocoyam corms.
Cocoyam species are a staple crop in Ghana that hold significant importance for food security, particularly in times of famine and natural disasters. Despite being known for their hardy nature, cocoyams are vulnerable to a range of pests and diseases which can threaten their production. Cocoyam production also faces additional challenges which affect crop yields…
Read Further

The Formosan subterranean termite: a destructive force

Formosan subterranean termite
Termites, numbering over 3,100 species worldwide, are infamous for their ability to wreak havoc on building structures and vegetation. The Coptotermes genus particularly stands out, containing the most termite pests, with 28 pest species. However, one species, in particular, has gained prominence as the most widespread and economically significant of them all. The Formosan subterranean…
Read Further

Control of scale insects in fruit trees

Scale insects are a diverse group of small, sap-sucking insects with flat or domed shells. Their lack of mobility and protective shell make them difficult to manage. This explains why many scale species are commercial agricultural pests. Scales pierce plant tissue with their mouthparts to feed on the sap weakening the plant. Any excess fluid…
Read Further

Integrated rodent management: rice production

Rodents are a particularly challenging pest in the rice production industry as they are a problem all the way from sowing to harvest. The rice field rat (Rattus argentiventer) causes average losses of 10-20% in rice growing areas. Ranking as the most important non-weed pest in Indonesia for 15 years up until 2000. Integrated Pest…
Read Further

Taro caterpillar outbreak in central India

The Taro caterpillar (Spodoptera litura), is a pest of many crops across Asia and Oceania. This species is generally well-controlled by natural enemies. Therefore, outbreaks in India’s Madhya Pradesh over the past two years are particularly notable.
Read Further