The Garden Under Glass
Forfatter: William F. Rowles
År: 1914
Forlag: Grant Richards Ltd. Publishers
Sted: London
Sider: 368
UDK: 631.911.9
With Numerous Practical Diagrams From Drawings By G. D. Rowles And Thirty-Two Illustrations From Photographs
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
294 THE GARDEN UNDER GLASS
affected leaf should be pulled off and burnt, and the plants should be frequently syringed with quassia to render the leaves distasteful to the pest. A sharp look-out should be
Diagram 59.—Leaf-miner: a, ravages of pest on Chrysanthemum; b, on cineraria; c, fly enlarged and natural size; d, larva stage; e, pupa stage.
kept in the early stages of growth, as it is very easy to get a whole batch of plants spoiled. Every leaf and growth taken from infested plants must be burnt.
Mealy Bug.—Probably the most troublesome of green-house pests, as it is well-nigh impossible to get rid of it entirely. If the pest has but taken its abode among a few plants it would be quite as well to consign these to the fire, but it usually happens that its area of destruction is large or is confined to choice plants which the amateur cannot afford to part with. The best time for dealing with mealy bug is in the duli months of winter, when pressure of work is not so great and there is not so much growth. All