CHROMATOGRAPHY OF PLANT PIGMENTS Marquez‚ Ma. Rica Paulene‚ Moises‚ Patrisha Kate‚ Policarpio‚ Jairus Paolo‚ Rolda‚ Zylene Joy Department of Biology‚ College of Science‚ University of the Philippines Baguio April 23‚ 2013 ABSTRACT The objective of this experiment was to apply the technique of paper chromatography as a method for separating individual plant pigments contained in plant tissue extracts containing pigment blends. The process of chromatography separates molecules because of the
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water Green semiloopers • Larva moves by arching its back in the shape of a loop as the larva does not arch its back completely as true loopers. They are found in wetland environment. Damage • Feed on leaf blade. The young larva scrapes leaf tissue from the leave blade. Management Cultural control • Use an optional amount of fertilizer Biological control • Trichogrammid wasp – parasitizes their eggs • Ichneumid wasp – parasitizes the larva • Larva are attacked
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BIO-EFFICACY OF FIPRONIL 200 SC FOR THE CONTROL OF LEAF FOLDER AND YELLOW STEM BORER IN RICE K. Vasanta Bhanu*‚ A. Vishnuvardhan Reddy and P.V. Satyanarayana Andhra Pradesh Rice Research Institute and Regional Agricultural Research Station‚ Maruteru-534 122‚ West Godavari District‚ Andhra Pradesh‚ India *E-mail: vasanta99@yahoo.com; ABSTRACT Field experiments were conducted during Kharif 2012 2013 to field evaluate the field efficacy of fipronil 200 SC at different dosages i.e. 30‚ 40 and 50 g
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pigments used in plants. Also in this lab there is the internal and external anatomy of a typical leaf. Materials and methods: The first procedure dealt with the internal anatomy of a leaf. The materials needed are: colored pencils‚ a prepared slide of a leaf‚ and a compound microscope. After obtaining the prepared slide of a leaf‚ we used a compound microscope to observe the leaf. Then we sketched the leaf and labeled the following structures: cuticle‚ epidermis‚ mesophyll‚ palisade parenchyma‚ spongy
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observed: organ pipe‚ prickly pear‚ and saguaro. The organ pipe contains no leaves and has narrow stems that carry out photosynthesis and store water. Neither the saguaro nor prickly pear cacti have leaves‚ but both have a highly modified form of a leaf called the spine. Spines are highly modified leaves because they do not carry out photosynthesis. Spines protect the plant from predation and prevent water loss as stomata in leaves are highly susceptible to water loss. Fruit trees like the sour orange
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Sansevieria Zeylanica Leaf Affected by Vehicular Emissions. Retrieved from http://www.scribd.com/doc/106640267/Anatomical-Study-of-Sansevieria-Zeylanica-Leaf-Affected-by-Vehicular-Emissions August 21‚ 2014 Locsin‚ Joel. 2014. Baguio Air Is Among The Dirtiest in The Country. GMA News. Retrieved from http://www.gmanetwork.com/news/story/360705/scitech/science/baguio-air-is-among-the-dirtiest-in-the-country August 21‚ 2014 Grant‚ Bruce W.‚ Vatnick‚ Itzick (2004) Environmental Correlates of Leaf Stomata Denisty
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within its hardiness range Figure 1. Middle-aged White Bird-of-Paradise. Crown density: open Growth rate: medium Texture: coarse Foliage Leaf arrangement: alternate (Fig. 3) Leaf type: simple Leaf margin: entire Leaf shape: oblong Leaf venation: pinnate Leaf type and persistence: broadleaf evergreen; evergreen Leaf blade length: >36 inches Leaf color: green DESCRIPTION Height: 20 to 30 feet Spread: 6 to 10 feet Crown uniformity: irregular outline or silhouette Crown shape: palm; upright
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oxygen chlorophyll 6CO2 + 6H2O ➞ C6H12O6 + 6O2 LEAF STRUCTURE: broad flat part - the lamina petiole/stem - joins the lamina to the plant xylem - running through the petiole - transport water and mineral ions from the roots phloem - transporting sugars and other small organic molecules to different parts of the plant. epidermis - function is to protect the inner layers of cells - is a close fitting layer on both the top and bottom of the leaf. epidermal cells sometimes secrete a waxy cuticle
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Observation : 1) The region of the leaf which was exposed to sunlight turns blue in colour. 2) The region of the leaf covered with black strip turns brownish in colour. Inference : This experiment shows that sunlight is necessary for photosynthesis. Multiple Choice Questions 1) In the experiment on photosynthesis‚ the leaf is boiled in alcohol kept in a water bath because ................ . (a) Alcohol is bad for leaf (b) alcohol is volatile (c) Alcohol
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Foliar and Root Anatomy of Evergreen Tree‚ Citrus Limon (Rutaceae) Abstract: Foliar and root anatomy were obtained from a Citrus Limon to be studied upon and the main focus were the stem‚ petiole‚ leaf and root. Plant material was obtained from Manila Seeding Bank Foundation Inc. and was brought to Ateneo De Manila University. Sections were subjected to staining and dehydration‚ after which they were viewed under a light microscope and measured using a light microscope. The young stem has a periderm
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