Hand pollination (also called "mechanical pollination") is a technique used when natural‚ or open pollination is insufficient or undesirable. The most common techniques are for crops such as cucurbits‚ which may exhibit poor pollination by fruitabortion‚ fruit deformity or poor maturation. Hand-pollination is an option only on a small scale‚ but is a common technique by home and small market gardeners‚ involving the transfer of pollen with an artist’s brush or cotton swab from male to female flowers
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Joanne Chan 12C Joanne Chan 12C Size of Allium cepa cells and Ovibos moschatus Oculi cells: Data collection and processing Raw data Table 1: Longest length recorded of Allium cepa cells and Ovibos moschatus Oculi cells Length of Allium cepa cells/ m - ±5.0 | Diameter of Ovibos moschatus Oculi cells/ m - ±5.0 | 330.0 | 25.0 | 360.0 | 30.0 | 320.0 | 30.0 | 280.0 | 40.0 | 300.0 | 40.0 | 350.0 | 30.0 | 300.0 | 30.0 | 290.0 | 30.0 | 420.0 | 20.0 | 280.0 | 40.0 | 310
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Syllabus topic: Cell structure Aim: To observe and draw transverse sections of parenchyma‚ collenchyma‚ sclerenchyma‚ xylem‚ phloem and epidermal cells using a light microscope. Apparatus and Materials: Light microscope; microscopic slide of dicotyledonous stem Method: 1. The light microscope was plugged into a power source‚ and switched on. 2. The coarse focus of the light microscope was adjusted with both hands to move the stage downwards. 3. The slide with the dicotyledonous stem
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clearings mixed in with shrubs and brush. All members of the Ophrys genus are insect pollinated plants‚ but the Bumblebee Orchid also reproduces by root tubers‚ making it a very successful and dominant species among the group. Ophrys orchids are dormant underground bulbous tubers during the summer and develop leaves during the fall and a new tuber starts to grow until spring when the flowering stem grows. Each stem will grow 2 to 12 flowers that are unique from other orchids by their colors‚ shapes
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KAROT OR ASIATIC BITTER YAM (Dioscorea hispida dennst) AS A RAT KILLER CHAPTER I Introduction Health is wealth. Food plays very vital role in maintaining proper health. If we don’t have it‚ we will surely die. In our country‚ Philippines‚ we cannot finish a meal without having the food called rice. Not only in Philippines but rice is also a global staple food. The country is the 8th largest rice producer in the world‚ accounting for 2.8% of global rice production. Rice is an
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climber‚ reaching approximately 5 meters in height (Hassan and Roy‚ 2005). Almost all parts of it find divert medicinal usage (Kapoor‚ 2001). It has been a well-known plant in Indian Ayurveda and pharmacological industries (Asolkar et. al.‚ 1992). The tuber is used traditionally for the treatment of bruises and sprains‚ colic‚ chronic ulcers‚ haemorrhoids‚ cancer‚ and leprosy and also for inducing labour pains. It is also used in
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Water is one of the most important molecules necessary to life. humans‚ for example‚ are made up of 70% water. Osmosis is a form of intracellular transport which is important in maintaining a correct balance of ions and substances between the blood and the inside of cells‚ for example. If the oncentration of an ion is too high outside a cell‚ water will br pulled out of the cell by osmosis in order to increase the water potential and thus retore balance. This is the case in ORT (oral rehydration
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equipment and their calibration for uniform and adequate delivery of herbicides‚ herbicide handling and disposal‚ assessment of herbicide performance. Weed control in crop and non-crop situations‚ cereals‚ legumes‚ vegetables‚ fibrers‚ root and tuber crops‚ lands cape‚ road-side‚ estate‚ aquatic environment etc. Practical : weed predictive index determination: weed seed types and population in soil bank‚ collection‚ classification and identification of weed types. Herbicide application‚ weed
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Bath Salts or Designer Cathinones The principal active ingredient in bath salts MDPV (methylenedioxypryrovalerone) is a highly potent synthetic cathinone derivative. The Navy takes a zero tolerance stance when it comes to the use of synthetic drugs. According to SECNAV Instruction 5300.28D‚ the use of any controlled substances and designer drugs such as "bath salts" is prohibited and could result in discharge from the Navy. From the Seattle Weekly: “According to the feds‚ the drug first
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Energy Budget of plants: Plants are the source of energy for all of us and all living things on earth. Energy is the currency of the universe = $ (work) * Energy budget= must be balanced Energy budget * Plants collect and process energy * Basic source SUN * Diffuse – need to collect a lot to get fixed energy * (sugar)- LEAVES = solar collector * Everything must be paid for and pay for itself over time Plants are sentient beings * Perceive environment and
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