Leaf Blight (fungus - Alternaria dauci) Infection occurs mostly on older leaves, but younger leaves may also become infected. Leaf blight first appears as indefinite brown to black areas with pale yellow centers. Infected leaves shrivel when infection is heavy [Photo #1].
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Carrots are a cool season crop. They are grown for their fleshy, and tasty storage roots. The carrot is native to Europe and parts of Asia. The carrot is mentioned in some ancient Greek writings; however, the carrot we know is relatively new due to improvements by plant breeding.
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Tapegrass is an almost completely underwater perennial herb with long, narrow, green to sometimes reddish, ribbon-like leaves growing from rhizomes. Tapegrass can be distinguished from similar plants by a prominent stripe, called a midrib, running down the center of each leaf.
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A swamp is either completely or partially wooded with trees and shrubs. Swamp soils are a form of black muck and are usually saturated with some standing water which can be anywhere from 1" to a 1' or more deep. There are many different types of swamps.
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WATER CELERY Vallisneria americana THREAT: Water celery, also known as tapegrass, is an aquatic plant, native to eastern North America. It was originally introduced to Washington as a forage plant for wildlife.
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Methods/Materials Cowpea seeds were planted in growth pouches. A 5% broccoli extract solution was made by combining water and chopped broccoli. This was incubated at 30 C for 5 days and then diluted and added to nematodes for the various treatments.
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Onions (Allium cepa L.) treated with external ascorbic acid or with the immediate precursor of its synthesis L-galactono-gamma-lactone showed a stimulated elongation rate of the roots and an increase in the number of new radicles appearing at the bulb base.
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Around the sandy tropical beaches of the world are found groves of the coconut palm, Cocos nucifera (Family Arecaceae). The cococut fruit is a very large drupe that floats on seawater and thereby was been carried to distant sandy beaches.
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Trunk, husk, and shells, leaves and fronds were made into food containers, hula drums, fans, children's toys, rods, and other tools. Rope was made out of coconut husk fibers. This plant is Polynesian introduced.
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This is a peer reviewed contribution. Received: 20 Mar 2006 Revised: 17 Jun 2006 Accepted: 18 Jun 2006 © Micronesian Journal of the Humanities and Social Sciences ISSN 1449-7336 HeritageFutures" International, PO Box 3440, Albury NSW 2640, Australia 472 Persistent identifier: http://www.nla.gov.
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Cocos nucifera - coconut Pit Seed Coat Endosperm No, this is the pit of a drupe Is this a fruit? Is this a nut? No, part of the ovary wall is missing Xanthium: cocklebur George de Mestral crozier velvet Victor Kiam The maple fruit is both a samara and a schizocarp.
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Discover Life's encyclopedia page about the biology, natural history, ecology, identification and distribution of Insecta: Ceratocystis fimbriata
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Discover Life's encyclopedia page about the biology, natural history, ecology, identification and distribution of Ceratocystidaceae: Ceratocystis fimbriata Ellis and Halsted - Mango blight, Mango wilt, Cacoa wilt, Rubber mouldy rot, Sweet potato black rot, Coffee canker, Aspen black canker, Aspen
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1 The University of Adelaide, Department of Horticulture, Viticulture and Oenology, PMB 1 Glen Osmond 5064, Australia and 2 The Cooperative Research Centre for Viticulture, PO Box 154 Glen Osmond 5064, Australia * For correspondence.
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Please feel free to navigate through this website by clicking on the icons at the bottom of every page or by choosing items of interest from the Table of Contents at left. To return to this page, please click the INTRO icon at the bottom of any page.
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