Petiole (insect) - Factbites

Petiole (insect) - Factbites
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Topic: Petiole (insect)

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	Soil and Petiole Analysis For Cotton
		The level of nitrogen in leaf petioles (the petiole is the stem that connects the leaf blade to the stalk) has been found to be the best indictor.
		Analyses to determine the nitrate content of petioles in a designated portion of the cotton plant can be used to help pinpoint the nitrogen needs throughout the season.
		The amount needed to fulfill this objective will depend upon initial soil fertility, the crop to be grown, date of planting, water management practices, physical condition of the soil, the climate, seed variety, disease problems and insect damage, but to name a few factors.
	www.stanworth.net /cottonpetiole.html

	Maple Trees Dropping Leaves
		The Maple Petiole Borer adult is a small sawfly or a type of non-stinging wasp.
		The young larvae feed inside the petiole or leaf stem, causing the green leaf to drop.
		This is a result of the Maple Petiole Borer.
	www.extension.umn.edu /info-u/environment/BD546.html

	ARS Publication request: Variations among U.S. Accessions of Common Cocklebur (Xanthium Strumarium)
		Accessions were evaluated for mid- season and maximum heights and widths, flowering date, insect damage,a nd petiole color in 1998 and 1999.
		These plants were measured for a wide variety of characteristics, including their heights and widths at various times, flowering date, insect damage, harvest weight, photosynthesis rate, and several other characteristics.
		We collected many common cocklebur accessions or biotypes from 14 states and grew 28 of them in at Urbana, IL in 1998 and 1999 to compare their growth, physiology, and morphology in a common environment to determine whether recommendations for control of specific biotypes might be practical.
	www.ars.usda.gov /research/publications/publications.htm?SEQ_NO_115=125015 (507 words)

	Search Encyclopedia.com
		The typical leaf consists of a stalk (the petiole) and a blade—the thin, flat, expanded portion (needlelike in most conifers) that is normally green in color because of the presence of the pigment chlorophyll.
		Leaf insects are green and have extremely flattened, irregularly shaped bodies, wings, and legs; they are usually about 4 in.
		leaf insect leaf insect, common name given to herbivorous insects of leaflike appearance forming a single family in the order Phasmida.
	www.encyclopedia.com /searchpool.asp?target=Leaf+(disambiguation) (507 words)

	Ant - Ant - Wikipedia, the free encyclopedia - Abdominal - Acacia cornigera -
		Ants are distinguished from other insects by the following traits: elbowed antennae; a strongly constricted second abdominal segment forming a distinct node-like petiole; the petiole can be formed by one or two "parts" or segments (only the second, or the second and third abdominal segments can form it).
		Ants are one of the most successful groups of insects in the animal kingdom and are of particular interest because they are a social insect and form highly organized colonies or nests, sometimes consisting of millions of individuals.
		Ant trails have no intrinsic polarity; that is to say, an ant walking on a straight non-branching trail cannot tell whether it is walking to or from the nest.
	www.geographicalposition.com /0/1/en.wikipedia/5/wiki/Ant (3005 words)

	Bioline International Official Site (site up-dated regularly)
		Leaf pubescence as a categorical variable: The stepwise procedure performed using hairiness as a classification variable identified 6 morphological characters (petiole pubescence, flower pedicel length, flower number, sepal length and width, inflorescence length) as the best differentiating characters (Table 5).
		Therefore, it will be worthwhile to search for highly pubescent genotypes among the central-highland plants for use in endod breeding programs where resistance to insect larvae would be the basis for selection.
		The glabrous plants were distinctly separated from the pubescent ones but the slightly pubescent plants appeared to be mixed both with glabrous and pubescent ones (Figure 2a).
	www.bioline.org.br /request?jb04005 (2212 words)

	Mohammad A. Bari Report
		Artichoke plume moth (APM) is the primary insect pest of artichokes on the coast of California South of San Francisco to Monterey.
		Plume moth larva tunneling in the leaf petiole of artichoke
		The ratios of mean number of moths trapped in the 12 outer traps to the mean of the 4 inner traps for APM -Rope and Trece lure were 8.1:1.0 and 1.2:1.0 respectively.
	www.sarep.ucdavis.edu /Grants/Reports/Bari/bari.htm (2212 words)

	114 Photos of Mineral Deficiencies in Plants (~ 1 meg) for Visual Diagnosis
		Turnip Plant — Insect injury to laminae and petioles of leaves (cf.
		Mangold Plant — Rotting of crown and rough condition of petiole epidermis.
		Marginal scorching may be confused with leaf scorch due to potassium deficiency.
	www.luminet.net /~wenonah/min-def/list.htm (1820 words)

	Lamiales
		Plocospermataceae are shrubby plants that may be recognised by their rather small, opposite leaves that are articulated near the base of the petiole, and their quite large, polysymmetric, campanulate-rotate flowers with versatile, extrorse anthers and a twice-divided style.
		For feeding preferences of a variety of insect groups suggesting a relationship between the erstwhile Plantaginaceae and Scrophulariaceae, see Airy Shaw (1958) and Allen (1960, 1961); Allen (1960) found different insects eating Plantaginaceae and Scrophulariaceae as distinguished here.
		Some Plantaginaceae have similar corolla aestivation, but they are autotrophic and have glandular hairs with the heads divided by vertical cell walls.
	www.mobot.org /MOBOT/Research/APweb/orders/lamialesweb.htm (10037 words)

	Pitcher Plant Project - Literature Review Part I
		purpurea pitchers "with the flaps up and a fair amount of fluid" and a range of 7.0 to 7.3 for younger leaves "with the flaps down and little fluid within." Accumulation of carbon dioxide from the atmosphere and the byproducts of insect degredation were cited as probable reasons for the acidity.
		However, modern research on the morphogenesis of the pitcher leaf has shown that the cavity arises simply as a consequence of the gradual lengthening of the margins of a hollow blade, the petiole being very short.
		The rigidity of the pitcher is assisted by the wing (Lloyd, 1942).
	www.splammo.net /ppproj/litrev1.html (3901 words)

	Lamiales
		Plocospermataceae are shrubby plants that may be recognised by their rather small, opposite leaves that are articulated near the base of the petiole, and their quite large, polysymmetric, campanulate-rotate flowers with versatile, extrorse anthers and a twice-divided style.
		There is some evidence from insect herbivores that insects distinguish between Plantaginaceae and Scrophulariaceae (e.g.
		Avicenniaceae (see Acanthaceae) and Phrymaceae are separate and are not immediately related (see Wagstaff and Olmstead 1997 and Cantino 2004 for more information).
	www.mobot.org /MOBOT/Research/APweb/orders/lamialesweb.htm (3901 words)

	Ant - Wikipedia, the free encyclopedia
		Ants are distinguished from other insects by the combination of elbowed antennae, a strongly constricted second abdominal segment forming a distinct node-like petiole, a wingless worker caste, and the presence of a metapleural gland.
		Ants are one of the most successful groups of insects in the animal kingdom and are of particular interest because they are a social insect and form highly organized colonies or nests, sometimes consisting of millions of individuals.
		Ant trails have no intrinsic polarity; that is to say, an ant walking on a straight non-branching trail cannot tell whether it is walking to or from the nest.
	en.wikipedia.org /wiki/Ant (2827 words)

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Topic: Petiole (insect)

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