Experiments and Suggestions for the Control of the Codling Moth in the Grand Valley of Colorado (Classic Reprint) - Rilegato

Siegler, Edouard Horace

Rilegato

ISBN 10: 0265881668 ISBN 13: 9780265881668

Casa editrice: Forgotten Books, 2019

Riassunto

Excerpt from Experiments and Suggestions for the Control of the Codling Moth in the Grand Valley of Colorado

Arsenate Of lime, both homemade and commercial, as used in plats VII and VIII, gave comparatively poor results.

The unsprayed or check trees, plat X, were very Wormy, giving but 13. 51 per cent Of fruit free from larvae.

The sprayed fruit was well protected against the calyx entrance worms except in plat VIII. With this exception, the percentage Of wormy apples infested. At the calyx in the sprayed plats varied from to The unsprayed plat produced per cent Of wormy fruit infested at the calyx.

Table 4, - Summary of results of spraying for the codling moth, Johnson orchard Grand Valley of Colorado, 1915.

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Dettagli dell'edizione

• Editore: Forgotten Books
• Data di pubblicazione: 2019
• Lingua: Inglese
• ISBN 10: 0265881668
• ISBN 13: 9780265881668
• Rilegatura: Copertina rigida
• Numero di pagine: 46
• Contatto del produttore: non disponibile
• Persona responsabile: Bärenreiter-Verlag Karl Vötterle GmbH & Co. KG; bscheuch@baerenreiter.com; ; Heinrich-Schütz-Allee 35-37; Kassel; Germania; 34131; Germania