The Shipley Collection of Scientific Papers, Volume 2381920 |
From inside the book
Results 1-5 of 86
Page 4
... record of work done , as a historic and scientific foundation upon which much future work is needed . ACKNOWLEDGMENTS The Spreckles Sugar Company has contributed liberally to research work on this problem . Not only should it be com ...
... record of work done , as a historic and scientific foundation upon which much future work is needed . ACKNOWLEDGMENTS The Spreckles Sugar Company has contributed liberally to research work on this problem . Not only should it be com ...
Page 5
... records of pests or diseases during these early years . Curly - leaf , no doubt , contributed its share to the troubles and losses of the period , but there was no one trained to recognize or record it . In the early days especially ...
... records of pests or diseases during these early years . Curly - leaf , no doubt , contributed its share to the troubles and losses of the period , but there was no one trained to recognize or record it . In the early days especially ...
Page 8
... record of a serious outbreak until 1900 must have been an oversight as the historie California outbreak was in 1899 ... records that in a cage experiment , in July and August , sixteen leafhoppers stopped the growth of an eight - inch ...
... record of a serious outbreak until 1900 must have been an oversight as the historie California outbreak was in 1899 ... records that in a cage experiment , in July and August , sixteen leafhoppers stopped the growth of an eight - inch ...
Page 9
... records of early outbreaks and a long series of observations on the effect of dif ferent times of planting on the amount of blight . Spisar ( 1910 ) reported the result of the examination of some beets sent from Idaho in 1909 and ...
... records of early outbreaks and a long series of observations on the effect of dif ferent times of planting on the amount of blight . Spisar ( 1910 ) reported the result of the examination of some beets sent from Idaho in 1909 and ...
Page 15
... records of the prevalence of curly - leaf in the different areas . Early records are in most cases doubtful at best ... record there is fragmentary , but every time an exam- ination has been made blight has been found , the amount of ...
... records of the prevalence of curly - leaf in the different areas . Early records are in most cases doubtful at best ... record there is fragmentary , but every time an exam- ination has been made blight has been found , the amount of ...
Common terms and phrases
abdominal segment abundant adults alfalfa weevil Allorhina nitida antennae appear apple Arzama Arzama obliqua attack August average bean beet borers burrow cage Calendra cat-tail cent Cephus Cephus cinctus climatic color Cotinis crop curly-leaf dark brown decora deposited disease dorsal early eggs elytra emerged entered soil Entomology experiments feeding female field fig moth figs flowers foliage food plants Galerucella grass ground grubs habits hatched head hibernation hopperburn inches infested injury insect instar Japanese beetle July July 25 killed large number larvæ leaf leafhopper leaves legs length Mesothoracic metathorax molted nymphs oblonga observed occur orchard oviposition parasites period pest Plate potato prepupae prothorax pupa pupal pupation rainfall region rhizome season seeds serghi setae showing Smyrna species specimens spiracles spray spring stage stem sterilized surface temperature third instar thorax trees tubercles Typha latifolia Utah ventral width wings winter writer yellow
Popular passages
Page 4 - If it consists in whole or in part of a filthy, decomposed, or putrid animal or vegetable substance, or any portion of an animal unfit for food, whether manufactured or not, or if it is the product of a diseased animal, or one that has died otherwise than by slaughter. Sec. 8. That the term
Page 9 - ... determine whether or not it is safe and profitable to add 20 per cent more of the lime-sulphur concentrate to a given amount of water, thus increasing the strength of the summer spray to that extent. In 1913 a proprietary spraying material in powder form, known under the trade name of "Soluble Sulphur," was used at the rate of 2 pounds to 50 gallons of water in combination with one pound of dry arsenate of lead. While this material appeared to be quite effective in scab control that season very...
Page 61 - In order that the ecological relationships of the insect fauna of the cat-tail plant may be better understood, the first part of this paper deals with the ecology of the cat-tail plant. In the second part, the life history and biology of the insect inhabitants of the plant are discussed. This part of the paper has been treated from a systematic point of view, considering the insects under their respective orders, rather than grouping them according to their life habits. In the resume", composing...
Page 16 - FH CHITTENDEN, in charge of truck crop and stored product insect investigations. AD HOPKINS, in charge of forest insect investigations. WD HUNTER, in charge of southern field crop insect investigations. FM WEBSTER, in charge of cereal and forage insect investigations. AL QUAINTANCE, in charge of deciduous fruit insect investigations. EF PHILLIPS, in charge nf bee culture.
Page 23 - Sc. D., In Charge of Truck Crop and Stored Product Insect Investigations.