Documents of the Assembly of the State of New York, Volume 14; Volume 141, Issue 14 |
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Page 461
... larva or maggot ( Plate XXXI , fig . 2 ) is a white , fleshy creature , at first cylindrical and tapering anteriorly ... larval instar , and within this the pupa is formed . It is the inactive stage of the species and comparable to the ...
... larva or maggot ( Plate XXXI , fig . 2 ) is a white , fleshy creature , at first cylindrical and tapering anteriorly ... larval instar , and within this the pupa is formed . It is the inactive stage of the species and comparable to the ...
Page 462
... larvæ or maggots attack the roots , and it is this stage which is responsible for injuries to radishes , early ... larva generally abandons its host and tunnels the ground in the immediate vicinity of the plants , when it transforms to ...
... larvæ or maggots attack the roots , and it is this stage which is responsible for injuries to radishes , early ... larva generally abandons its host and tunnels the ground in the immediate vicinity of the plants , when it transforms to ...
Page 477
... larva on the roots , which is unques- tionably of sufficient importance during some seasons to exert a retarding influence on the growth of the plants . While screening has not completely protected radishes from flea beetles there has ...
... larva on the roots , which is unques- tionably of sufficient importance during some seasons to exert a retarding influence on the growth of the plants . While screening has not completely protected radishes from flea beetles there has ...
Page 482
... larvæ which later change to a very dark brown with the head and ninth segment black . When full grown the larva shows considerable yellow and characteristic black spots . The mature larvæ average about 7 mm . in length . The pupæ are ...
... larvæ which later change to a very dark brown with the head and ninth segment black . When full grown the larva shows considerable yellow and characteristic black spots . The mature larvæ average about 7 mm . in length . The pupæ are ...
Page 484
... larvæ climb trees and feed upon foliage . They are able to reach maturity only on the leaves of the bird cherry ... larva varied from 8 to 24 days , with an average during 1916 of 12.3 days . When the larvæ have reached full growth they ...
... larvæ climb trees and feed upon foliage . They are able to reach maturity only on the leaves of the bird cherry ... larva varied from 8 to 24 days , with an average during 1916 of 12.3 days . When the larvæ have reached full growth they ...
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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