Plant Tissue Culture 151 Chapter 9 Plant Tissue Culture Techniques Lorraine Mineo Department of Biology Lafayette College Easton‚ Pennsylvania 18042 Lorraine Buzas Mineo (B.S.‚ Muhlenberg College; M.A.‚ Duke University) is a lecturer in the Department of Biology‚ Lafayette College‚ and has taught botany since 1978 and supervised the General Biology Laboratories since 1970. Research interests in physiological and forest ecology have culminated in several publications. Other interests include
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Materials: The 3 plants used in the experiment were corn‚ peas‚ and beans. B-Nine‚ IAA‚ Gibberlic Acid‚ and a control substance were the growth regulators used. Gibberellic acid stimulates cell division and elongation‚ breaks seed dormancy‚ and speeds germination. Indoleacetic acid (IAA) stimulates internodal elongation‚ rooting‚ and leaf abscission. B-nine reduces internodal elongation. The control substance is the independent variable in the experiment. Four planting pots‚ which were divided into three
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* ------------------------------------------------- * FORECASTED TOPICS FOR PMR 2012 FORM 1 Ch.1 - laboratory apparatus (diagram + function) - clinical and lab thermometer (diagram) - water displacement method (calc. + diagram). Ch.2 - animal cell and plant cell (diagram - differences + similarities) - cell until system (flow chart) - unicellular and multicellular organism. Ch.3 - the balloon experiment (air has mass) - density experiment (3 objects in a measuring cylinder)
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Crop Topping Pulse Crops Articles Often higher rates are used to control other broadleaf weeds that may be present. Note that glyphosate can affect germination percentages so it is best not to retain seed from paddocks that have been crop topped using glyphosate. Paraquat products on the other hand such as Gramoxone can be used successfully right up until the milky dough stage of the ryegrass. At 800ml/ha it is a slightly cheaper alternative to glyphosate at $2.80/ha‚ and provides more flexibility
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Wildfires are extremely dangerous. They pose a serious threat to all kinds of life. In a sharp contrast to these are prescribed burns which are fires that are purposefully set and controlled. They help to prevent‚ and limit wildfires in places where they cause damage‚ and to replace wildfires in habitats which rely on the regular occurrence of fire. Prescribed burns are fires which are purposefully set in order to eliminate some of the problems which arise from uncontrolled wildfires. Back burning
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Aba: n. Taro‚ herb of the Pacific islands grown throughout the tropics for its edible root and in temperate areas as an ornamental for its large glossy leaves.[Tag. gabi] Abitsuélas: n. White beans‚ white-seeded bean; usually dried navy bean‚ pea bean common bean - any of numerous beans eaten either fresh or dried. Abokado: n. Avocado‚ used in native medicine against diarrhea and wounds. kaabokaduan n. avocado orchard. Abuno: n. Fertilizer; dung (ganagan); agabuno‚ abunuan. v. to fertilize;
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in about 3 – 4 weeks. If the weeds are kept under check up to about 3 weeks or checked in the third week‚ there will be no further weed problem until the harvest of the crop. But in the case of sugarcane‚ it takes about 40 days for completing germination and another 60 days to attain satisfactory ground cover by foliage. During this initial 100 days period‚ much of the soil‚ space and sunlight are left unutilized by the crop. Taking advantage of the situation‚ weeds grow luxuriantly especially
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The winged bean (Psophocarpus tetragonolobus) is a twining‚ perennial herbaceous legume which can climb to 3-4 meters (Kantha and Erdman‚ 1985). As a leguminous plant‚ winged bean can be used in almost all parts of the plant. Fruit‚ leaves‚ flowers‚ bulbs and seed are edible and contain high protein and oil (Kotaru et al.‚ 1987; Dwiani et al.‚ 2014). The mature‚ dry seed is the most nutritious part of the winged bean. Their outstanding nutritive quality is based‚ above all‚ on their high protein
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References: Coen‚ K. (August 11‚ 2011). Sweet vs. sour fruits. Retrieved from http://www.ehow.com Gemini Geek. (2011). Why are some fruits sweet where others are sour? Retrieved from http://www.geminigeek.com Jirage‚ R. (November 21‚ 2011). Steps of seed germination. Retrieved from http://www.buzzle.com Mauseth‚ James D. (2003). Botany:an introduction to plant biology. pg. 271-273. Jones & Bartlett Publishers: Sudbury‚ MA Nemec‚ J. (May/June 2008). What makes fruit ripen? Retrieved from http://www.grit.com
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Important Formula #2 Non-germinating live seeds and grains respire by way of lactic fermentation and their Respiratory quotient (RQ) would be undefinable‚ irrespective of the nature of their nutrient reserves. They switch over to aerobiosis only upon germination. ORIGIN OF LIFE Important Formula #1 Life originated in the form of cyanobacteria about 3600 million years ago Important Formula #2 SYSTEMATICS Important Formula #1 Remembering the division of the animal kingdom (in order) Kingdom‚ Phylum
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