Results 261 to 270 of about 123,634 (298)
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Loss of dry weight during washing and storage of root samples
Plant and Soil, 1979In the standard methods of washing and storage of root samples of wheat, losses of dry weight from 20 to 40% may occur.
Meine Van Noordwijk, Van Noordwijk M
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Agricultural Water Management, 2009 Root characters have been well established as drought resistance traits in peanut. However, the relationships of root characters with transpiration efficiency (TE) have not been well understood. The objective of this study was to investigate the relationships between root traits and TE under early season drought.
Puangbut, D. +7 more
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Journal of Economic Entomology, 1991
Insecticide-modified levels of western corn root worm, Diabrotfca vtrgifera vtrgifera LeConte, larval feeding, manually applied preautotrophic (seedling stage) defoliation, and auto trophic (four-leaf stage) defoliation were evaluated for their independent and combined effects on aboveground dry matter production and grain yield of field corn, Zea mays
Timothy J. Gibb, Randall A. Giggins
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Insecticide-modified levels of western corn root worm, Diabrotfca vtrgifera vtrgifera LeConte, larval feeding, manually applied preautotrophic (seedling stage) defoliation, and auto trophic (four-leaf stage) defoliation were evaluated for their independent and combined effects on aboveground dry matter production and grain yield of field corn, Zea mays
Timothy J. Gibb, Randall A. Giggins
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Canadian Journal of Botany, 1983
The possible relationship of partitioning of photosynthate between starch and sucrose to the distribution of dry weight between the shoot and root was examined in relation to genetic variation and plant nutritional status. Soybean (Glycine max (L.) Merr.), tobacco (Nicotiana tabacum L.), and red-beet (Beta vulgaris L.) seedlings had low relative root ...
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The possible relationship of partitioning of photosynthate between starch and sucrose to the distribution of dry weight between the shoot and root was examined in relation to genetic variation and plant nutritional status. Soybean (Glycine max (L.) Merr.), tobacco (Nicotiana tabacum L.), and red-beet (Beta vulgaris L.) seedlings had low relative root ...
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Plant and Soil, 2004
Nitrate N is a major inhibitor of the soybean/Bradyrhizobium symbiosis in legumes and although this inhibition has been studied for many years, as yet no consensus has been reached on the specific and quantitative interactions between nitrate and ammonium supply and N-2 fixation. The effect of nitrate and ammonium supply on plant growth, nodulation and
Gan, Y. +3 more
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Nitrate N is a major inhibitor of the soybean/Bradyrhizobium symbiosis in legumes and although this inhibition has been studied for many years, as yet no consensus has been reached on the specific and quantitative interactions between nitrate and ammonium supply and N-2 fixation. The effect of nitrate and ammonium supply on plant growth, nodulation and
Gan, Y. +3 more
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Weed Research, 2018 SummaryFarmers are recommended to employ mechanical control whenCirsium arvenseis most sensitive to disturbance. Earlier studies suggest that this occurs at a stage of minimum below‐ground dry weight, coinciding with three to seven or seven to ten leaves per shoot, depending on the definition of below‐ground dry weight.
T Verwijst, V J Tavaziva, A Lundkvist
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STRAWBERRY GENOTYPES DIFFER IN THEIR RATIO OF SHOOTS TO ROOTS, BASED ON DRY WEIGHT
Acta Horticulturae, 2009Previous observations of strawberry roots of plants grown in peat-based medium in a screenhouse or grown in the field in soil indicated that genotypes differ in root length and volume. This experiment was designed to evaluate a large number of genotypes to better quantify this variability and to identify those genotypes with large root systems.
A.R. Jamieson, C. Kempler
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Early growth, leaf development, and dry-weight production of sycamore rooted cuttings
Biomass and Bioenergy, 1996Abstract Rooted cuttings of four American sycamore clones ( Platanus accidentalis L.) were used to investigate early tree growth, leaf development, and dry-weight production for a short-rotation plantation in east-central Mississippi. Monthly increments in height and diameter growth were measured during the second (1990) and third (1991) growing ...
Zhenmin Tang, Samuel B. Land
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