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Accessions of C. virginianum were tested for response to frosting in the field and in controlled environments. Accessions differed in their ability to...
Read moreTissue m.c. and rates of CO2 and O2 exchange were determined in the laboratory for branches of L. tulipifera collected at 2 week intervals over a 1 yr...
Read moreThe testing procedure currently used for assessing Ustilago scitaminea resistance in sugarcane varieties is empirical and leads to anomalies. Models f...
Read moreIn a Swedish experiment, 18-yr-old Scots pine were defoliated by hand in early and late summer, simulating different degrees of insect grazing on the ...
Read moreThe photosynthetic capacity of shoots from whole plants grown in low light (low light phenotypes) was higher than that of high light phenotypes, where...
Read moreM. sativa cv. du Puits and Europe plants contained 2 populations of stems originating from either axillary or crown buds which differed in their rates...
Read moreThe dry-weight increment of A. pseudoplatanus seedlings, initially 60-90 cm. high, was measured by growth analysis. Seedlings were planted out 90 cm. ...
Read moreThe number, length, angle, azimuth and compass bearing of whorl and interwhorl branches were measured in 1973 and 1976 for a plantation of P. sitchens...
Read moreDuring 1971 micro-meteorological measurements were made in March, May, July, August and October in a 7-year-old hedgerow-type apple orchard. The albed...
Read morePaspalum dilatatum and Sporobolus indicus plants growing in dense humid natural grassland were illuminated basally with red light by use of light-emit...
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