Documents of the Assembly of the State of New York, Volume 14; Volume 141, Issue 14 |
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Page vii
... Department of Botany: Blackheart and the aeration of potatoes 277 Neck-rot
disease of onions 319 Report of the Department of Entomology: Plant lice
injurious to apple orchards: Control of newly-hatched aphides. . . 413 Radish
maggot 460 ...
... Department of Botany: Blackheart and the aeration of potatoes 277 Neck-rot
disease of onions 319 Report of the Department of Entomology: Plant lice
injurious to apple orchards: Control of newly-hatched aphides. . . 413 Radish
maggot 460 ...
Page 24
437 gives a detailed account of these onion neck-rot studies. ENTOMOLOGICAL
DIVISION. Plant lice injurious to apple orchards. — Bulletin No. 431 is the second
report of life-history studies and experiments with the apple aphides ...
437 gives a detailed account of these onion neck-rot studies. ENTOMOLOGICAL
DIVISION. Plant lice injurious to apple orchards. — Bulletin No. 431 is the second
report of life-history studies and experiments with the apple aphides ...
Page 31
Plant lice injurious to apple orchards, II; Studies on control of newly hatched
aphides, II. P. J. Parrott, H. E. Hodgkiss and F. H. Lathrop. Pages 47, color plate,
1, figs. 4. No popular edition issued. No. 432. April. Vinifera grapes in New York.
Plant lice injurious to apple orchards, II; Studies on control of newly hatched
aphides, II. P. J. Parrott, H. E. Hodgkiss and F. H. Lathrop. Pages 47, color plate,
1, figs. 4. No popular edition issued. No. 432. April. Vinifera grapes in New York.
Page 413
STUDIES ON CONTROL OF NEWLY-HATCHED APHIDES. II. P. J. PARROTT,
H. E. HODGKISS and F. H. LATHROP. SUMMARY. This is the second report of
life history studies and experiments with the apple aphides (Aphis sorbi, avence
and ...
STUDIES ON CONTROL OF NEWLY-HATCHED APHIDES. II. P. J. PARROTT,
H. E. HODGKISS and F. H. LATHROP. SUMMARY. This is the second report of
life history studies and experiments with the apple aphides (Aphis sorbi, avence
and ...
Page 414
The remainder were inconclusive because of slight infestation by the insects or
excessive defoliation by apple scab assisted in part by aphides. As losses by
aphides vary according to locality and seasonal conditions, the experiences of ...
The remainder were inconclusive because of slight infestation by the insects or
excessive defoliation by apple scab assisted in part by aphides. As losses by
aphides vary according to locality and seasonal conditions, the experiences of ...
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abundant acid Actinomyces Actinomycetes agar plate altho aphides appearance apple average beetles bird cherry blackheart bordeaux mixture Botrytis cinerea buds Bulletin cherry leaf-beetle clusters colonies color Complimentary conidia cow's milk crop cultures discoloration disease eggs experiments feeding foliage fruit fungus G G G gelatin Geneva goat's milk graded grape groups growing growth inches incubation injury insects jars July June June 21 large numbers larvae leaf less lime liquefying maturity medium microscopic method mycelium neck neck-rot non-spore-formers normal number of bacteria obtained occur onion Botrytis orchard organisms oxalic acid period plants Plat plate count plate method potatoes present produced prune radishes rosy aphis samples sclerotia season seed showed soil flora species spore-formers spores spraying sprouts Station sterile storage house surface Table tank temperature tests thru tissue trees tubers types varieties vines Vinifera winter