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During the winter of 1976-77, few pupae of Delia brassicae (Wied.) were removed by predators from either natural or introduced populations of pupae bu...
Read moreThe population dynamics of six species of chrysomelid beetle pests (Diabrotica viridula (F.), D. balteata Lec., D. adelpha Har., Acalymma theimei (Bal...
Read moreDispersal of Cryptococcus fagisuga Ldgr. in a beech forest in southern England was studied using suction traps and sticky traps. First instar larvae a...
Read moreThe distribution of Urophora affinis (Frnf.) and U. quadrifasciata (Wied.) among the flower heads of diffuse (Centaurea diffusa) and spotted (C. macul...
Read moreOf 2 lawns studied one was not fertilized or irrigated and was infrequently cut and the other was fertilized, irrigated and cut weekly. The dominant g...
Read moreIn two series of experiments, the relative leaf growth rates (RA) and relative growth rates (RW) of seedlings of 8 onion cvs of diverse geographic ori...
Read moreSexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...
Read moreThe numbers of Sinapis arvensis plants in 3 permanent quadrats in an arable field were examined over 3 years. Plant size was positively correlated wit...
Read morePart of a drainage channel was treated with cyanatryn at 0.2 mu g/g. Release of the herbicide was slower than expected. A peak concn. of 0.1 mu g/g wa...
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