rooting Articles
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Influence of environment on plants
There is no denying the importance of light for the growth of plants; however, there are many other environmental factors—such as temperature, moisture and nutrient availability, and soil type–that also influence plant growth. These factors do not act in isolation and are, many times, correlated. So, it is interesting to see how light works in combination with other resources to ...
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Intro to precision forestry
Never before has the interest in preserving natural forests and efficient management of plantations been as great as the present. Demand for wood products is increasing. On the other hand, it is also evident that the remaining forests have to be protected to maintain our quality of life—the very air we breathe depends on them. Therefore, precision management, which has been successfully ...
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Ground-Truth Data ‘Absolutely’ Adds Value to Top-Shelf Cannabis
Esensia’s craft cannabis operation uses senses and sensors to navigate an industry sea change, while staying true to its roots. With all the new cannabis legalization bills churning their way through state legislatures, it’s an exciting time to be a cannabis grower in America. Arable caught up with Ben Blake and Marley Lovell, the founders of Esensia, a close-to-the-land, ...
By Arable
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Nitrogen Fixers
Here’s a bit of geeky plant science. On this image of the roots of white clover, you can plainly see bumps along the roots that are called nodules. Over millions of years, the plant has evolved a symbiotic relationship with certain species of soil-dwelling bacteria called Rhizobia. This group of bacteria has the ability to take nitrogen from the atmosphere and “fix” it by ...
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Grasslands Research Featuring CI-600 In-Situ Root Imager and RootSnap! Published in Invasive Plant and Science Management
University of Nebraska researchers Chengchou Han and Stephen L. Young have published their article “Root Growth of Two Perennial Grass Types and Musk Thistle (Carduus nutans) in Temperate Grasslands of North America” in the July/August edition mof Invasive Plant and Science Management. The article details their 2 year study using the CI-600 In-Situ Root Imager and free RootSnap! ...
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Root-lesion Nematodes reduce yield of intolerant wheat and barley
Root-lesion nematodes (Pratylenchus neglectus and P. thornei) are widely distributed and substantially reduce grain yields in wheat (Triticum aestivum L.)-producing regions of the Pacific Northwest (PNW). The objective of this research was to determine if wheat and barley (Hordeum vulgare L.) cultivars differ in tolerance to these nematode species. Field experiments were conducted by comparing ...
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Marker-facilitated selection for a major QTL Associated with root rot resistance in snap bean (Phaseolus vulgaris L.)
The use of molecular markers associated with quantitative trait loci (QTL) can improve the efficiency of breeding programs. In previous research, randomly amplified polymorphic DNA marker alleles AD9.950+ derived from the root rot resistant snap bean (Phaseolus vulgaris L.) cultivar Puebla 152 and S18.1500– derived from the susceptible cultivar Eagle were linked in repulsion phase and mapped to ...
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QTL analysis of root architecture traits and low Phosphorus tolerance in an Andean bean population
Tolerance to low P soils is a desirable trait in common bean (Phaseolus vulgaris L.) cultivars grown in acid-weathered soils. Genetic variability in response to P-deficient soils exists in the Andean gene pool. G19833, a low P–tolerant indeterminate Andean landrace, has been evaluated for quantitative trait loci (QTL) and tolerance to low P in combination with Mesoamerican parents. Our goal was ...
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Early growth of flint maize landraces under cool conditions
Cold stress is a major factor that limits the success of environmentally sound cultivation of maize in central and northern Europe. This study evaluated the early growth of seven groups of Swiss Flint maize landraces (Zea mays L. ssp. mays) of different geographic origin under controlled cool conditions by assessing shoot and root traits. Measurements of plants, subjected to a permanent cold ...
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Hyphal growth: a tale of motors, lipids, and the spitzenkorper
Filamentous fungi are a large and evolutionarily successful group of organisms of enormous ecological importance (27, 114). Fungi also have a considerable impact on our economy because they serve as bio-factories for the industrial production of proteins (90, 130) and because many fungi are human and plant pathogens that pose a threat to public health and agriculture (1, 105, 124). The basic ...
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Anthocyanin production by over-expression of grape transcription factor gene VlmybA2 in transgenic tobacco and Arabidopsis
An myb-related transcription factor gene of the anthocyanin biosynthetic pathway, VlmybA2, from the Kyoho grape (Vitis labruscana) was introduced into tobacco and Arabidopsis under the control of the cauliflower mosaic virus 35S promoter. The 35S:VlmybA2-induced anthocyanin production was prominent in transformed tobacco calli, and the regenerated tobacco plants were completely purple. Except for ...
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