after (5‚ 3 and 3) days of female emergence and egg laying almost continued till the death. On the other hand the first adult female death was recorded in the 36‚ 46 and 49 day on three ornamental plant leaves H. helix L.‚ P. tobira (Thunb.) and N. oleander L. respectively. Table (4): Age -specific life and fecundity table of P. ficus on H.helix X Lx Mx LxMx XLx Mx 0 - 20 immature stage 24 pre-oviposition
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REVIEW OF RELATED LITERATURE AND STUDIES Humans have been using insecticides for thousands of years. The Egyptians used unspecified chemicals to combat fleas in their homes about 3‚ 500 years ago‚ and arsenic has been used as an insecticide in china for at least 2‚ 900 years. Insecticide is a substance that kills insects. Insecticides are sometimes called pesticides. But pesticides include substances used to control mice‚ weeds and other pests besides insects. Insects harm human by transmitting
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Plants Desert Baobab Tree The baobab tree is the iconic tree of the African Sahara. It is readily recognized by its enormous trunk and‚ by comparison‚ scrawny stems and twigs. It is the source of many legends among the tribes of the area‚ and is also a rich source of traditional medicine. In a land where rainfall is limited and it is rare to find even tiny bushes‚ the gigantic baobab tree thrives. It is able to do so due to a number of unique adaptations that it has perfected over the course
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extracts used are shown in Table1. Chemical composition of plant extracts has beenshown in Table 2. It was found that all extracts were positive for carbohydrates while as Cleome amblyocarpa was free of flavonoids and alkaloids. Aervalanata‚ Nerium oleander and Rhazyastricta Decne all showed negative test for saponins (Table 2). The effect of medicinal plant extracts on mycellial dry weight on P. notatumis presented in Table 3. All plant extracts showed effective reduction on growth of P. notatum
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Pentacyclic Triterpene Distribution in Various Plants – Rich Sources for a New Group of Multi-Potent Plant Extracts Sebastian Jäger 1‚*‚ Holger Trojan 1‚ Thomas Kopp 1‚ Melanie N. Laszczyk 2 and Armin Scheffler 1 1 2 Carl Gustav Carus-Institute‚ Am Eichhof 30‚ D-75223 Niefern-Öschelbronn‚ Germany Betulin-Institute‚ Blumenstrasse 24‚ D-64297 Darmstadt‚ Germany; E-Mail: m.laszczyk@betulin-institut.de (M-N.L.) * Author to whom correspondence should be addressed; E-Mail: sebastian.jaeger@carus-institut
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The Shoot System of Plants The Leaf Leslie L. Ricarte Group 2 Sec. A - 2L December 12‚ 2013 ___________________ _______________ ¹A scientific paper submitted in partial fulfillment of the requirements in General Biology II Laboratory under Prof. Ma. Teresa Mirandilla‚ 2nd Sem.2013-2014. ABSTRACT The purpose of this study is to observe and identify the external and anatomical parts of various types of leaves. The shoot system of the leaves was seen under the microscope
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used as an insecticide‚ rat poison and parasiticide. The leaves contain small amounts of latex that can ba used to make rubber. The plant is also used as soil stabilizer. Constituents and properties Glycoside‚ oleadrin; tannin; volatile oil‚ 0.25%. Nerium oleander’s leaves contain two principles: neriin and oleandrin‚ glucosides with properties
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independent variable (IV)) on dependent variable (DV) in organism studied Statement of what is being investigated should include the IV‚ the DV‚ and the organism studied. For Example: The Effect of Temperature on Chloroplast functioning in Oleander and prairie grass Remember to use
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“A genius of the South‚ novelist‚ folklorist‚ anthropologist”--those are the words that Alice Walker had inscribed on the tombstone of Zora Neale Hurston. In the essay How It Feels to Be Colored Me‚ Zora explores her own sense of identity through a series of striking metaphors. After realizing that she is of color‚ Hurston never really places a significant emphasis on the racial inequalities that exist in America. “At certain times I have no race‚ I am me.” Zora Neale Hurston did not have any
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Lauren Kelly Individual Student Presentation 28 July 2013 Toxic Plants 10. Would you believe that there’s a tree so poisonous that you don’t actually have to touch it to be harmed? It’s called the manchineel tree (found throughout the Florida Everglades‚ Central America and the Caribbean. Inhaling sawdust or smoke tree may result in a variety of uncomfortable side effects‚ including coughing‚ laryngitis and bronchitis. Some reports suggest that simply standing beneath the tree during a rainstorm
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