نتایج جستجو برای: virusfree plants

تعداد نتایج: 198041  

1996
L. C. Davis

Contamination with 2,4,6-trinitrotoluene (TNT) is widespread at sites of past munitions manufacture. It is moderately toxic to plants and highly toxic to some animals. Some aquatic plant species have been observed to promote degradation of TNT. The degradative activity is associated with the root systems but products are found in the surrounding medium. We have examined a range of sixteen gener...

Journal: :Priroda, clovek in zdravje 1947
J KROMAR

2015
Zhengwei Yan Yanhua Jia Xiaohong Liu

Trehalose-6-phosphate synthase (TPS), as the key enzyme for the synthesis of plants trehalose, has effects of enhancing its anti-dehydration, as well as protecting biofilm, proteins, and others from harm. Additionally, reproductive isolation between species can be broken with transgenic technology, and beneficial gene of other species can be transformed and utilized to improve resistance of cro...

1983
T. V. Parasuram

Journal: :Medical History 1977
HANS FLOCK

this comparison is not made here but a comparative study of the two drugs would make a most interesting investigation. One is also reminded of Rauwolfia from Ancient India which turned out to have a hypotensive action. The author has written a very interesting and useful book, but it is a pity that the documentation is rather limited. There has of late been a resurgence of interest in "natural"...

Journal: :Journal of Agricultural Meteorology 1978

Journal: :Journal of Weed Science and Technology 2001

2010
Alexander Krichevsky Benjamin Meyers Alexander Vainstein Pal Maliga Vitaly Citovsky

Prospects of obtaining plants glowing in the dark have captivated the imagination of scientists and layman alike. While light emission has been developed into a useful marker of gene expression, bioluminescence in plants remained dependent on externally supplied substrate. Evolutionary conservation of the prokaryotic gene expression machinery enabled expression of the six genes of the lux opero...

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