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Pollen from beech (Fagus sylvatica) trees about 100 yr old, belonging to different damage (forest decline) classes in a wood at Pian di Novello, centr...
Read moreLarge numbers of newly flight-mature alate alienicolae of Myzus persicae (Sulz.) were flown in a flight chamber for 5 or 10 h. Flown aphids marked wit...
Read moreRates of leaf growth and tiller production were compared in plants of tall fescue cv. S170 grown continuously at (a) alternating 20/10 deg C, (b) alte...
Read moreAccessions of C. virginianum were tested for response to frosting in the field and in controlled environments. Accessions differed in their ability to...
Read moreFemale ungulates are often selectively harvested according to their reproductive status. Because ungulate population growth depends heavily on adult f...
Read moreHabitat loss must be distinguished from habitat fragmentation so that appropriate conservation management can be applied. Few studies have evaluated t...
Read moreThe effects of 5 planting densities (p), viz. 10x20, 10 x 10, 10 x 7. 5, 10 x 5 and 5 x 7. 5 cm., on leaf growth and bulb yield were investigated for ...
Read moreThis report is a guide for grid references for biological recording. A grid reference specifies a square of land, indicating a location through a seri...
Read moreDM production ranged from <2 g/m2 day in winter to 20 g/m2 day in spring in barley cv. Sekitori-Sai No.1 sown in 15-cm bands 55 cm apart with 105 p...
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 ...
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