𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The development and organization of forest tree improvement in the Netherlands

✍ Scribed by H. Vloten


Publisher
Springer
Year
1957
Tongue
English
Weight
285 KB
Volume
6
Category
Article
ISSN
0014-2336

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✦ Synopsis


Its delay does not mean, however, that nothing has been done in the Netherlands previously. I would like to mention the breeding of elm trees resistant to the notorious elm disease, already begun some decades ago under the guidance of HONING and WESTERDIJK in Wageningen and Baarn respectively, and now being continued under KERLING at the Phytopathological Institute "Willie Commelin Scholten" at Baarn .

In this connection mention should also be made of an other more practical development which can be considered a preliminary stage of the breeding work itself, viz . the FIG . 1 . FOREST RESEARCH STATION T .N .O.


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## Abstract Trichloroacetic acid (TCA) is an atmospheric oxidation product of airborne C~2~‐chlorocarbons and a widespread air pollutant. It was widely used as a herbicide in the fifties and sixties, in some countries, still today. It occurs in the foliage of conifers and deciduous trees of mountai