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Phenological changes reflect climate change in Wisconsin.
- N. L. Bradley, A. Leopold, J. Ross, W. Huffaker
- Environmental ScienceProceedings of the National Academy of Sciences…
- 17 August 1999
A phenological study of springtime events was made over a 61-year period at one site in southern Wisconsin, showing that several phenological events have been increasing in earliness and evidence indicating that these changes reflect climate change.
Sugars and desiccation tolerance in seeds.
The results support the idea that sucrose may serve as the principal agent of desiccation tolerance in these seeds, with the larger oligosaccharides serving to keep the sucrose from crystallizing.
Maturation proteins and sugars in desiccation tolerance of developing soybean seeds.
It is concluded that stachyose plays an important role in conferring desiccation tolerance in soybean, suggesting that slow drying serves to induce the accumulation of the raffinose series sugars at a point after galactinol biosynthesis.
Maturation proteins associated with desiccation tolerance in soybean.
It is concluded that maturation proteins may contribute to desiccation tolerance of soybean seeds, though they may not be sufficient to induce tolerance by themselves.
Stability of dry liposomes in sugar glasses.
Ethylene evolution from 2-chloroethylphosphonic Acid.
Evidence is provided that 2-chloroethylphosphonic acid breaks down in the presence of a base to form ethylene with an apparent release of chloride and phosphonate with a second-order reaction, possibly involving the alkali in reaction with CEPA.
The glassy state in corn embryos.
Embryos excised from viable corn seeds at low moisture contents show a series of low temperature first- and second-order phase transitions in the differential scanning calorimeter, consistent with the hypothesis that the desiccated state in seeds is a glassy state, and that imbibition of water reduces the glass transition temperature below ambient, allowing biochemical activity to resume.
The glassy state in seeds: analysis and function
Abstract In view of the finding that dry seeds may exist in the glassy state, a brief review of the commonest methods of detection and quantification of the glass transition is presented. While the…
The Maillard reaction and oxidative stress during aging of soybean seeds
The chemical reactions that may lead to the loss of seed viability were investigated both during the accelerated aging and natural aging of soybeans (Glycine max Merrill cv. Chippewa 64). Under…