Zobrazeno 1 - 10
of 15
pro vyhledávání: '"H. C. Woodville"'
Autor:
W. H. Golightly, H. C. Woodville
Publikováno v:
Annals of Applied Biology. 77:97-101
Publikováno v:
Entomophaga. 20:285-292
Trials with the parasiteEncarsia formosa to control whitefly (Trialeurodes vaporariorumWestw.) on cucumbers showed that the most predictable results were obtained by the “classical” method of establishing a low, even infestation of the pest on th
Autor:
H. C. Woodville
Publikováno v:
Plant Pathology. 22:177-181
SUMMARY Data comparing the amount of infestation in eastern England on wheat, barley and oats by saddle gall midge are given for the years from 1967 to 1972. The level of infestation decreased in 1971 and 1972. The changes in the numbers of overwinte
Autor:
H. C. Woodville
Publikováno v:
Plant Pathology. 19:141-145
SUMMARY The results of a three year survey of the incidence of saddle gall midge, Haplodiplosis equestris (Wagn.), on barley crops in the eastern counties of England are given. The total percentage of fields with galling was 47 per cent in 1967, 39 p
Autor:
H. C. Woodville
Publikováno v:
Plant Pathology. 2:21-24
Autor:
J. L. Harrison, H. C. Woodville
Publikováno v:
Annals of Applied Biology. 37:296-304
During a poison campaign against house-rats, particularly of the species Bandicota bengalensis, Rattus rattus nr. khyensis and R. exulans concolor, a number of incomplete experiments were carried out on feeding habits and the take of poison. The rats
Autor:
H. C. Woodville
Publikováno v:
Plant Pathology. 9:68-70
Autor:
H. C. Woodville
Publikováno v:
Plant Pathology. 6:10-12
Autor:
H. C. Woodville
Publikováno v:
Plant Pathology. 17:64-66
SUMMARY A survey of 79 barley crops in Eastern England in 1967 showed an average of 5⋅8 per cent of stems galled by Haplodiplosis equestris Wagn. This situation is compared with infestations recorded on the continent of Europe in recent years.
Publikováno v:
Plant Pathology. 25:116-117