Search Results for legumes
1-20 of 146 Search Results for
The American Biology Teacher (2019) 81 (4): 250–255.
Published: 01 April 2019
... protocol to train high school students in research and experimental investigation of questions related to course material on legume biology. The richness of this subject matter allows for adaptations of our framework to address diverse areas of science, including principles in ecology, environmental...
Includes: Supplementary data
The American Biology Teacher (2020) 82 (2): 128–129.
Published: 01 February 2020
... water-collecting urns in rainforest epiphytes. Legumes and their symbiotic bacteria are critical in nitrogen fixation. Fig receptacles have tiny internal flowers that are fertilized by a specific female wasp. The dried firm wall of Luffa cylindrica , a member of the cucumber family, is the source of...
The American Biology Teacher (2019) 81 (9): 680–685.
Published: 01 December 2019
...............................4.291-D Learner-centeredness............................6.403-RL Learning objectives............................2.133-TT Leaves............................1.27-I Legumes............................4.250-I Lesson plans............................9.610-F Ligand...
The American Biology Teacher (2019) 81 (1): 61–64.
Published: 01 January 2019
... annual grass and legume intercrops in the northeastern united states . Crop Science , 56 , 2775 – 2790 . Creager, A.N.H. , Lunbeck, E. & Wise, M.N. (Eds.). ( 2007 ). Science without Laws: Model Systems, Cases, Exemplary Narratives . Durham, NC : Duke University Press . DeWalt, B.R...
The American Biology Teacher (2018) 80 (1): 50–52.
Published: 01 January 2018
... ( Fita et al., 2015 ). Prolonged irrigation during drought leads to soil salinization. Yields of most legume crops remain relatively low due to limited adaptability to a broad range of environmental conditions including salinization and due to susceptibility to pests and diseases. At least 26 different...
The American Biology Teacher (2017) 79 (3): 191–197.
Published: 01 March 2017
... industrial nitrogen fixation (Haber-Bosch) and biological nitrogen fixation (BNF) 3. Describe various agricultural practices 4. Describe pros and cons of fertilizer use 5. Define symbiosis between legumes and nitrogen-fixing microorganisms 6. Identify nitrogenase as the enzyme responsible for...
The American Biology Teacher (2016) 78 (3): 233–240.
Published: 01 March 2016
... tropics and subtropics. The larvae feed on, and develop within, the seeds of legumes (especially favoring blackeyed peas, mung beans, and adzuki beans). The adults live around two weeks, in which they restrict their activity to reproduction: courtship, copulation, and laying eggs. Several features of...
The American Biology Teacher (2015) 77 (5): 320–321.
Published: 01 May 2015
... Relationships in Ecosystems by observing the enrichment for phototrophic bacteria. Symbiotic relationships such as nitrogen-fixing bacteria in legume plants, wood-degrading bacteria in termites, and rumen bacteria in cows are all great examples that can be used to show the relationships between microorganisms...
The American Biology Teacher (2014) 76 (9): 589–594.
Published: 01 November 2014
... fertilization? Isolate rhizobia from fertilized and nonfertilized fields (microbiology technique needed). Then inoculate rhizobia from a fertilized and a nonfertilized field to a legume (e.g., clover) to test how rhizobia with different evolutionary history affect plant performance. Cellular Process: Energy...
The American Biology Teacher (2015) 77 (1): 19–29.
Published: 01 January 2015
... while other males attract many females. What about the way a male looks, moves, or smells attracts the female? 3 Does a Partner in Crime Make It Easier to Invade? Evolution, legume, plants, mutualism, rhizobia, invasive species Mutualisms can affect what happens when a plant species is moved...
The American Biology Teacher (2013) 75 (3): 214–218.
Published: 01 March 2013
... instruction. Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae) is a small, 3- to 4-mm beetle. Bean beetles are significant agricultural pests of stored food in Africa and Asia. The larvae of this species grow inside and feed exclusively on the seeds of legumes (Fabaceae) ( Mitchell, 1975...
The American Biology Teacher (2012) 74 (7): 471–478.
Published: 01 September 2012
... alfalfa and soybeans, the important role of symbiotic nitrogen-fixing bacteria for these legume plants was emphasized, and contrasted with the lack of this activity (and subsequent need for increased artificial fertilization) for corn. Microbial involvement in the generation and depletion of nitrate in...
The American Biology Teacher (2011) 73 (9): 557–560.
Published: 01 November 2011
... a long-standing relationship with accommodations on both sides. The aphid is a pest of legume crops and, as aphids do, it bores into the stem to suck up sugary sap. Since this material is low in protein, the insect relies on B. aphidicola to provide essential amino acids. The microbe has a very...
The American Biology Teacher (2011) 73 (1): 35–38.
Published: 01 January 2011
... balance among cool-season grasses, legumes, forbs, and warm-season grasses. The focus on E. angustifolia kept my collection to legumes and forbs as coflowering species. I collected plants that displayed fresh pollen, harvested the pollen, and dried the plant to keep as a preserved specimen. In order to...
The American Biology Teacher (2010) 72 (8): 513–516.
Published: 01 October 2010
...-metabolizing microbial communities. Among these organisms are ones found in legumes, so CO use is tied to nitrogen fixation. The endemic Hawaiian koa tree's roots have such communities, and this helps to explain why it can thrive on barren soils. Volcanic soils are hardly unique in sheltering diverse and...
The American Biology Teacher (2010) 72 (3): 172–175.
Published: 01 March 2010
... with nitrogen-fixing bacteria. Therefore, the association between plant growth and soil type may not be as distinct in legumes. Because plants often exhibit ideal growth in enriched potting soil, we suggest using this soil treatment as a comparison set. Each student group should sift through the...
The American Biology Teacher (2007) 69 (5): 265–305.
Published: 01 May 2007
... vines or herba- ceous bushes, perennial in nature, but usually grown as annuals. They came originally from Central and South America. Today they are cultivated in warm temperate, subtropical and tropical environments throughout the world and are the main food legume in tropical Africa. Shields captured...
The American Biology Teacher (2006) 68 (2): 99–104.
Published: 01 February 2006
... soybean trypsin inhibitor may be as a defense mechanism to protect legume seeds against insect predation. Many seed-eating insects have trypsin- like enzymes present in their digestive tracts. Consuming legume seeds that contain trypsin inhibitor slows digestion in insects and reduces their survival (Birk...
The American Biology Teacher (2006) 68 (4): 242–247.
Published: 01 April 2006
..., and this subse- quently kills them. Some plant volatiles are known to be phytotoxic. Volatile emissions from residues of winter cover legumes inhibited germination and seedling development of onion, carrot, and tomato (Bradow & Connick, 1990). Volatiles from tomato plants reduced germination and...
The American Biology Teacher (2005) 67 (4): 223–230.
Published: 01 April 2005
... (Comprehensive Seed Expansion Experiment) Twenty varieties of seeds and grain products were subjected to the protocol of Experiment 1. Results Table 3 shows that legumes in general are capable of expanding more than non-legumes (116% verses 33%, respectively). Red lentils Table 2. Comparison of different...