know the antifeedant properties of organics at Main Agricultural Research Station‚ Raichur during 2010-11. On 24 hours after treatment imposition no leaf feeding by S.litura was observed in commercial neem treatment and indicated its statistical superiority over rest of the treatments and was followed by NSKE 5 per cent where in 21.12 per cent leaf area wasfed‚ which also proved its statistical superiority over rest of the biorationals in having antifeedant property..The
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5: Photosynthesis Problem: If the leaf disks are treated in a way you know increases the net rate of photosynthesis‚ should they start to float faster or slower? Why? Hypothesis: If the leaf disks were bathed in a red light source‚ then the rate of photosynthesis would increase than leaf disks that are bathed in a regular light source because chlorophyll absorbs red pigment and reflects green pigments. Therefore‚ shining a red light source onto the leaf disks would cause them to absorb more
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be if you count the number of stomata of the same species of leaf at different stages of life will the number of stomata be different? My hypothesis is if we count the number of leaf stomata at three different stages of life then the number of stomata will be less as the leaf gets older because the leaf is dying. (Understanding Evolution) Procedure Approximately three leaves of the where gathered to use in this experiment. Each leaf was at a different stage of life: alive‚ dying‚ and dead. A thin
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leaves to eat. A brief description of the procedure is that the leaves were put in a Petri dish full of sand and sow bugs. Then there were recordings of how much of each leaf the Sow bugs had eaten each day. Observations on what the Sow bugs had eaten‚ and how they were acting were recorded everyday. The Sow bugs preferred the Hickory leaf above all leaves involved in this experiment. Introduction Some background information on Sow bugs is that Sow bugs feed on decomposing organic material. Such as:
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Research Question: How does varying distance of light away from papaya leaf discs at 10cm‚ 15cm‚ 20cm‚ and 25cm affect time taken in seconds for all five discs to rise and float on the surface of the water? Hypothesis: “As the distance of light away from papaya leaf discs increases‚ the average time taken for the discs to resurface and float o the surface of the water increases.” Data Collection & Processing Raw Data Table: Time taken (minutes)
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starch. One leaf was a light-grown plant with mask‚ and the other was a dark-grown plant with mask. Both leaves were soaked in iodine solution and then rinsed in order to observe the pattern of staining. According to the result‚ the light-grown leaf’s masked areas had no blue-black coloration and the unmasked area turned blue-black in color. The blue-black coloration of the leaf indicated the presence of starch. The light-grown leaf’s unmasked areas turned blue-black because the leaf have been performing
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into one or another of several types. Protective Protective tissue covers the surface of leaves and the living cells of roots and stems. Its cells are flattened with their top and bottom surfaces parallel. The upper and lower epidermis of the leaf are examples of protective tissue [View]. Parenchyma The cells of parenchyma are large‚ thin-walled‚ and usually have a large central vacuole. They are often partially separated from each other and are usually stuffed with plastids. In areas not
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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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