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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Growing Wild: Crested Wheatgrass And The Landscape Of Belonging, Lafe Gerald Conner
Growing Wild: Crested Wheatgrass And The Landscape Of Belonging, Lafe Gerald Conner
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Crested wheatgrass arrived in North America at the turn of the twentieth century through the foreign plant exploration missions sponsored by the United States Department of Agriculture. During the first two decades of the new century, scientists tested the grass at agricultural experiment stations. They determined it was useful for grazing and particularly valuable because it could grow in drought conditions with little or no care and would continue to produce high quality feed even after several years of heavy use. Beginning in the 1930s federally sponsored land utilization and agricultural adjustment programs sponsored the use of crested wheatgrass for …
Ethylene Synthesis And Sensitivity In Crop Plants, Joseph F. Romagnano
Ethylene Synthesis And Sensitivity In Crop Plants, Joseph F. Romagnano
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The gaseous plant hormone ethylene is a small molecule that regulates developmental change. Research was conducted in three areas: sensitivity, synthesis, and alterations to synthesis. Vegetative pea plants were more sensitive than radish plants to atmospheric ethylene. Light intensity did not affect ethylene sensitivity. Ethylene synthesis rates were measured for unstressed cotton, corn, soybean, and tomato plants. The per-plant ethylene synthesis rate ranged from 0.1-80 pmol plant-1 s-1. However, when normalized to net photosynthetic rate, this range was 1-4 µmol of ethylene synthesis per mol of CO2 uptake. Diurnal cycles in ethylene synthesis were present in …
Worker Protection Standard For Agricultural Pesticides, Howard M. Deer
Worker Protection Standard For Agricultural Pesticides, Howard M. Deer
All Archived Publications
No abstract provided.
Origins Of The Y Genome In Elymus, Pungu Okito
Origins Of The Y Genome In Elymus, Pungu Okito
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Triticeae tribe DUMORTER in the grass family (Poaceae) includes the most important cereal crops such as wheat, barley, and rye. They are also economically important forage grasses. Elymus is the largest and most complex genus with approximately 150 species occurring worldwide. Asia is an important centre for the origin and diversity of perennial species in the Triticeae tribe, and more than half of the Elymus are known to occur in the Asia. Cytologically, Elymus species have a genomic formula of StH, StP, StY, StStY, StHY, StPY, and StWY. About 40% of Elymus …
Small Pasture Management Guide, James Barnhill, Scott Mckendrick
Small Pasture Management Guide, James Barnhill, Scott Mckendrick
All Archived Publications
As more people select rural settings for their homes, traditional farms are being divided into small acreage home lots. Many small acreage owners would like to have lush green pastures where they can raise horses, cattle, or sheep. The purpose of this booklet is to provide the educational guidance these owners need to successfully establish and maintain a healthy grazing system.