Documents of the Assembly of the State of New York, Volume 14; Volume 141, Issue 14 |
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Page 25
... bird cherry ( Prunus pennsylvanica ) . Both insect and plant have the same geo- graphical distribution . The history ... bird cherry . When compelled to feed on other trees they invariably succumb . Upon completing their growth the larvæ ...
... bird cherry ( Prunus pennsylvanica ) . Both insect and plant have the same geo- graphical distribution . The history ... bird cherry . When compelled to feed on other trees they invariably succumb . Upon completing their growth the larvæ ...
Page 482
New York (State). Legislature. Assembly. : THE CHERRY LEAF - BEETLE , F. Z. HARTZELL . SUMMARY . * The cherry leaf - beetle is a native species which normally feeds on the bird , pin , or fire , cherry ( Prunus pennsylvanica ) . Both ...
New York (State). Legislature. Assembly. : THE CHERRY LEAF - BEETLE , F. Z. HARTZELL . SUMMARY . * The cherry leaf - beetle is a native species which normally feeds on the bird , pin , or fire , cherry ( Prunus pennsylvanica ) . Both ...
Page 483
... bird cherry was in full bloom . The most extensive feeding by the adults occurs during the early part of . June . It is at this time that practically all injury by the species to cultivated trees is inflicted . The greatest natural ...
... bird cherry was in full bloom . The most extensive feeding by the adults occurs during the early part of . June . It is at this time that practically all injury by the species to cultivated trees is inflicted . The greatest natural ...
Page 484
... bird cherry , and when compelled to subsist on the foliage of other species of cherry they invariably succumbed . The total feeding period of the larva varied from 8 to 24 days , with an average during 1916 of 12.3 days . When the larvæ ...
... bird cherry , and when compelled to subsist on the foliage of other species of cherry they invariably succumbed . The total feeding period of the larva varied from 8 to 24 days , with an average during 1916 of 12.3 days . When the larvæ ...
Page 488
... bird cherry . Washburn in 1903 briefly mentioned the insect in a list of cherry pests . In 1909 Smith ' listed the beetle as a pest on peach , plum and cherry . Blatchley in 1910 gave tables for separating the several species of the ...
... bird cherry . Washburn in 1903 briefly mentioned the insect in a list of cherry pests . In 1909 Smith ' listed the beetle as a pest on peach , plum and cherry . Blatchley in 1910 gave tables for separating the several species of the ...
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Common terms and phrases
abundant acid Actinomyces Actinomycetes agar plates altho aphides appearance apple average beetles bird cherry blackheart bordeaux mixture Botrytis cinerea buds Bulletin cherry leaf-beetle clusters colonies color Complimentary Complimentary conidia conidiophores cow's milk crop cultures disease eggs experiments feeding foliage fruit fungus G G G gelatin Geneva glycerin goat's milk graded grape growing growth inches incubation injury insects jars July June June 21 large numbers larvæ 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 reported 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