Identifying and managing plant health risks for key African crops: fruit and other tree crops

Identifying and managing plant health risks for key African crops: fruit and other tree cropsThis chapter reviews control methods for the main pests affecting fruit and other tree crops. It describes the use of classical biological control for mango, papaya, cacao, coconut and citrus. Mango mealybug, Rastrococcus invadens, has been controlled with great success across West and Central Africa by two parasitoids. On papaya, the spiralling whitefly Aleurodicus dispersus has been controlled by two serendipitously introduced parasitoids. Papaya

though often overlooked

Digital resources are increasingly central to collections

and as meditation on race and music in America

Poems and historical documents relevant to understanding the political climate of fourteenth- and fifteenth-century Britain

and applications sections

David Toop

This book assesses the validity of ‘anti-politics’ critiques of development

Why theory

starting with two growing strategies that have become widely adopted for the indoor production of edible plants: hydroponics and aeroponics

this volume offers a comparative exploration of the development of towns and cities in ancient India

should inspire new developments in theatre practice

In the last two decades