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Author: S. Scheele
Publisher: Balogh Scientific Books
ISBN:
Category : Gardening
Languages : en
Pages : 32
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Book Description
This book describes insects and diseases commonly associated with harakeke. Control methods for the most harmful are discussed including natural control measures, insecticide sprays, and home remedies. Harakeke or New Zealand Flax (Phormium spp.) is home to a myriad of insects which live amongst the leaves, roots and flowers. In the right conditions, their feeding can inflict considerable damage on the plant and allow the introduction of disease-bearing organisms. This not only affects the ornamental appearance of harakeke, but lessens the quality and quantity of leaf material and fibre available to weavers. A practical booklet, for people growing flax for fun or profit.
Author: S. Scheele
Publisher: Balogh Scientific Books
ISBN:
Category : Gardening
Languages : en
Pages : 32
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Book Description
This book describes insects and diseases commonly associated with harakeke. Control methods for the most harmful are discussed including natural control measures, insecticide sprays, and home remedies. Harakeke or New Zealand Flax (Phormium spp.) is home to a myriad of insects which live amongst the leaves, roots and flowers. In the right conditions, their feeding can inflict considerable damage on the plant and allow the introduction of disease-bearing organisms. This not only affects the ornamental appearance of harakeke, but lessens the quality and quantity of leaf material and fibre available to weavers. A practical booklet, for people growing flax for fun or profit.
Author: British Columbia. Department of Agriculture
Publisher:
ISBN:
Category : Beneficial insects
Languages : en
Pages : 68
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Book Description
Author: Allen F. Sanborn
Publisher: Elsevier
ISBN: 0124166385
Category : Science
Languages : en
Pages : 1010
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Book Description
This is the third in a series of catalogs and bibliographies of the Cicadoidea covering 1981-2010. The work summarizes the cicada literature, providing a means for easy access to information previously published on a particular species or to allow researchers the ability to locate similar work that has been published on other species. A total of 2,591 references are included in the bibliography. The book is a source of biological and systematic information that could be used by zoologists, entomologists, individuals interested in crop protection, and students studying entomology as well as anyone interested in cicadas or who require specific information on the insects. Each genus/species is identified with the reference, the page number, any figures (if applicable), the topics covered by the reference, any synonymies, and any biogeographic information mentioned for the species in the individual reference. An added benefit to the catalog is that it is the first complete species list for the Cicadoidea, including all synonymies and new combinations through 2012. - Provides nearly four times the number of references of the previous catalog, demonstrating the explosion of data since that time - Contains all references found that mention a genus or species name in the work - Includes more than 300 additional references that were not in the two previous works on this subject - Features the first complete species list for the Cicadoidea, including all synonymies
Author: Percival J. Fryer
Publisher:
ISBN:
Category : Fruit
Languages : en
Pages : 800
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Book Description
Author: Percival John Fryer
Publisher: Rarebooksclub.com
ISBN: 9781230109008
Category :
Languages : en
Pages : 126
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ...examined with a hand magnifier to detect the presence of the worm. Remedies The usual soil, Insecticides1 should be watered into the ground surrounding the plants, and if these are badly attacked, they should be taken up and burnt. SNAILS AND SLUGS Name Helix, various species, Limacidm Order Mollusca 1. General Description Adult Appearance, Etc. Too well known to need description. Appear All the year. Duration. Probably some years. Location. Under stones, etc. in daytime: on the leaves of plants at night. Remarks. Active after rain. See page 433. Ova (Eggs) Arrangement. In heaps of 10 to 50 or more. Location. In the soil. Appear In Usually August to November. Hatching Period. 2 to 3 weeks. Distribution Found universally in temperate climates. Life-history The slugs and snails are not all, or entirely, destructive to plants, as many feed upon worms and other slugs. They are particularly active after rain. During the winter they hide in a dormant state under stones, debris, etc., living in some cases many years. 2. Economic Plants Attacked Strawberries arte the chief sufferers, though most small plants are attacked. Nature of Attack Both the fruit and the leaves are eaten. Natural Enemies The thrush is the most beneficial bird, devouring many hundreds of snails and slugs. Remedies 1. Pen ducks amongst the plants: these devour the slugs greedily. 2. Dress the ground with soot and lime. 3. Sprinkle SOIL iNSliCtlClDES1 over the surface. 1 See pages 392, 433. SECTION V INSECTICIDES SECTION V INSECTICIDES CHAPTER 25 Introduction Insecticides may be divided into five main classes: 1. Stomach Poisons, 2. Contact Poisons, 3. Corrosive Poisons, 4. Fumigants, 5. Preventives. 1. Stomach poisons are employed against Eating Insects (i.e. those which...
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: British Columbia Dept of Agriculture
Publisher: Legare Street Press
ISBN: 9781019543610
Category :
Languages : en
Pages : 0
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Book Description
This book is a comprehensive guide to pest and disease management in agriculture. It provides practical recommendations and remedies for farmers and gardeners in British Columbia, and would be a valuable resource for anyone interested in sustainable agriculture practices. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Cornell University. Agricultural Experiment Station
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: British Columbia Agriculture Department
Publisher: Forgotten Books
ISBN: 9780260046895
Category : Gardening
Languages : en
Pages : 70
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Book Description
Excerpt from Insect Pests and Plant Diseases: Containing Remedies and Suggestions Recommended for Adoption by Farmers, Fruit-Growers, and Gardeners of the Province There is probably no one general method by which the farmer or fruit-grower can do more to protect his crops from insect injury than by clean culture. A large proportion of injurious insects pass the winter under rubbish of many sorts, and the burning of this will destroy them. It is a safe rule, whenever a crop is gathered, to clear off the remnant-s and destroy them as completely as possible. In orchards this recommendation is Of special value. In dead wood on the trees, or on the ground, many species hide or complete their development during the winter. Every dead branch or twig should be cut, and with other rubbish taken out and burned. Loose' bark is of little or no value to a tree, while it affords shelter to many hibernating species. Never leave an Old wood-pile near an orchard. Many insects breed preferably in dead wood, but when it becomes too dry or rotten, they have a sharp instinct that enables them to discover a weak or sickly tree, and this they may attack and ruin, where otherwise it might recover. Fallen or diseased fruit should always be destroyed or fed to hogs. Field and orchard should contain, as nearly as possible, nothing save the crop, and certainly neither rubbish nor remnants. For field crops, a thorough system of crop rotation prevents the multiplication of many insect pests and plant diseases. It is a well established general rule that plants or trees are better able to resist insect attack when in a thrifty growing condition than when weak in vitality; consequently, such fertilisation as will bring about the healthiest growth is desirable. It has long been Observed that some varieties of fruits, vegetables and grains are more subject to insect attacks than others. Consequently, other things being equal, it is advisable to select such varieties for planting. Of mechanical methods, the simplest way of dealing with many insects, is to pick them off by hand; in the garden and home grounds, caterpillars of most kinds may be easily dealt with so, or their nests destroyed, in the case of those having such. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Percival John FRYER
Publisher:
ISBN:
Category :
Languages : en
Pages : 728
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Book Description
