Download or read book Insect Pests of Food Plants of Papua New Guinea written by Bruce R. French and published by . This book was released on 198? with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Insects Pests on Food Plants in Papua New Guinea written by Bruce French and published by . This book was released on 2023-08-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The insects mentioned in this book have all been reported as damaging to food crops in Papua New Guinea. Some are serious pests that must be controlled, other insects do little damage and do not need any action by the farmer to control them. In fact, as much care is needed to recognise insects that are not going be pests as it is to recognise those that might. If farmers spend time, energy and money trying to kill the wrong insects this is not only wasteful, but the controls (especially chemical controls) could actually cause some of these harmless insects to become pests. This happens especially where parasites and predators (beneficial insects) are working naturally to keep the insect under control (biological control). Killing parasites or predators allows insects to breed without control and therefore to become pests. Because it is important to be able to tell the difference between the different insects that might be on a plant this book puts a great deal of effort into describing each insect and all its stages.
Download or read book Insect Pests of Agriculture in Papua New Guinea written by R. Kumar and published by . This book was released on 2001 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the Second Papua New Guinea Food Crops Conference written by R. M. Bourke and published by . This book was released on 1982 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biogeography and Ecology of New Guinea written by J.L. Gressit and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt: J. L. Gressitt New Guinea is a fantastic island, unique and fascinating. It is an area of incredible variety of geomorphology, biota, peoples, languages, history, tradi tions and cultures. Diversity is its prime characteristic, whatever the subject of interest. To a biogeographer it is tantalizing, as well as confusing or frustrating when trying to determine the history of its biota. To an ecologist, and to all biologists, it is a happy hunting ground of endless surprises and unanswered questions. To a conservationist it is like a dream come true, a "flash-back" of a few centuries, as well as a challenge for the future. New Guinea is so special that it is hard to compare it with other islands or tropical areas. It is something apart, with its very complicated history (chapters I: 2-4, II: 1-4, III: I, VI: I, 2). It is partly old but to a great extent very young, yet extremely rich and complex. It has biota of different sources - to such a degree that it is still disputed in this volume as to what Realm it belongs to: the Paleotropical or Notogaean (Australian); or what Region: Oriental, "Oceanic," Papuan or Australian. The terms Papuasian, Indo-Australian and Australasian also have been applied to the area.
Download or read book Growing the Major Food Plants of Papua New Guinea written by Bruce French and published by . This book was released on 2021-11-30 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ten Thousand Years of Cultivation at Kuk Swamp in the Highlands of Papua New Guinea written by Jack Golson and published by ANU Press. This book was released on 2017-07-07 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kuk is a settlement at c. 1600 m altitude in the upper Wahgi Valley of the Western Highlands Province of Papua New Guinea, near Mount Hagen, the provincial capital. The site forms part of the highland spine that runs for more than 2500 km from the western head of the island of New Guinea to the end of its eastern tail. Until the early 1930s, when the region was first explored by European outsiders, it was thought to be a single, uninhabited mountain chain. Instead, it was found to be a complex area of valleys and basins inhabited by large populations of people and pigs, supported by the intensive cultivation of the tropical American sweet potato on the slopes above swampy valley bottoms. With the end of World War II, the area, with others, became a focus for the development of coffee and tea plantations, of which the establishment of Kuk Research Station was a result. Large-scale drainage of the swamps produced abundant evidence in the form of stone axes and preserved wooden digging sticks and spades for their past use in cultivation. Investigations in 1966 at a tea plantation in the upper Wahgi Valley by a small team from The Australian National University yielded a date of over 2000 years ago for a wooden stick collected from the bottom of a prehistoric ditch. The establishment of Kuk Research Station a few kilometres away shortly afterwards provided an ideal opportunity for a research project.
Download or read book The Fruit Fly Fauna Diptera Tephritidae Dacinae of Papua New Guinea Indonesian Papua Associated Islands and Bougainville written by Richard A.I. Drew and published by CABI. This book was released on 2022-01-05 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a taxonomic treatise of the tropical fruit flies of Papua New Guinea, Indonesian Papua, associated islands and Bougainville, the region of the world where speciation in the sub-family Dacinae has been most prolific. The book aims to provide readers with an updated record of all known species of Dacinae that occur in this geographic area including descriptions of 65 new species out of an entire list of 296 known species covered. It provides a discussion on the evolutionary origins of the Dacinae and a key to the genera and sub-genera recorded in the Australian-Pacific Region. Further, the major pest species and their biosecurity risks to other countries are discussed. Extensive field research by the authors and colleagues over many years has resulted in the accumulation of advanced knowledge of the tropical fruit flies in this region. A key reference for researchers of taxonomy, ecology and pest management in the family Tephritidae worldwide. Useful for biosecurity and horticulture workers in Agriculture Departments within government administration and universities around the world.
Download or read book Pesticides Documentation Bulletin written by and published by . This book was released on 1968 with total page 910 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Key to the forest insect pests of Papua New Guinea written by Michael F. Schneider and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agricultural Insect Pests of the Tropics and their Control written by Dennis S. Hill and published by Cambridge University Press. This book was released on 1987-10-22 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the Second Papua New Guinea Food Crops Conference written by R. M. Bourke and published by . This book was released on 1982 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rice feeding Insects and Selected Natural Enemies in West Africa written by E. A. Heinrichs and published by Int. Rice Res. Inst.. This book was released on 2004 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction; Biology and ecology of rice-feeding insects; Natural enemies of West African rice-feeding insects; An illustrated key to the identification of selected West African rice insects and spiders.
Download or read book Biology of the Plant Bugs Hemiptera Miridae written by Alfred George Wheeler and published by Cornell University Press. This book was released on 2001 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant bugs--Miridae, the largest family of the Heteroptera, or true bugs--are globally important pests of crops such as alfalfa, apple, cocoa, cotton, sorghum, and tea. Some also are predators of crop pests and have been used successfully in biological control. Certain omnivorous plant bugs have been considered both harmful pests and beneficial natural enemies of pests on the same crop, depending on environmental conditions or the perspective of an observer.As high-yielding varieties that lack pest resistance are planted, mirids are likely to become even more important crop pests. They also threaten crops as insecticide resistance in the family increases, and as the spread of transgenic crops alters their populations. Predatory mirids are increasingly used as biocontrol agents, especially of greenhouse pests such as thrips and whiteflies. Mirids provide abundant opportunities for research on food webs, intraguild predation, and competition.Recent worldwide activity in mirid systematics and biology testifies to increasing interest in plant bugs. The first thorough review and synthesis of biological studies of mirids in more than 60 years, Biology of the Plant Bugs will serve as the basic reference for anyone studying these insects as pests, beneficial IPM predators, or as models for ecological research.
Download or read book Papua New Guinea written by Fraiser McConnell and published by Oxford, England ; Santa Barbara, Calif. : Clio Press. This book was released on 1988 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Australian national bibliography written by and published by National Library Australia. This book was released on 1961 with total page 1818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book History of Soybean Plant Protection from Diseases Insects Nematodes and Weeds 15 BCE to 2019 written by William Shurtleff and published by Soyinfo Center. This book was released on 2019-04-27 with total page 1397 pages. Available in PDF, EPUB and Kindle. Book excerpt:
