Article image
Article image
Article image
Article image

[After Davidson and Nougaret, U.S. Department of Agriculture. The grape phylloxera, la—Root galls, lb-Gall enlarged. lc—Adult magnified. ld—Side view of the insect showing proboscis used for sucking sap. 2a—Infested portion of small root. 2b—Normal root. 3—Large root showing insect and eggs in situ.

This article text was automatically generated and may include errors. View the full page to see article in its original form.
Permanent link to this item

https://paperspast.natlib.govt.nz/periodicals/NZJAG19501016.2.24.13

Bibliographic details

New Zealand Journal of Agriculture, Volume 81, Issue 4, 16 October 1950, Page 329

Word Count
43

[After Davidson and Nougaret, U.S. Department of Agriculture. The grape phylloxera, la—Root galls, lb-Gall enlarged. lc—Adult magnified. ld—Side view of the insect showing proboscis used for sucking sap. 2a—lnfested portion of small root. 2b—Normal root. 3—Large root showing insect and eggs in situ. New Zealand Journal of Agriculture, Volume 81, Issue 4, 16 October 1950, Page 329

[After Davidson and Nougaret, U.S. Department of Agriculture. The grape phylloxera, la—Root galls, lb-Gall enlarged. lc—Adult magnified. ld—Side view of the insect showing proboscis used for sucking sap. 2a—lnfested portion of small root. 2b—Normal root. 3—Large root showing insect and eggs in situ. New Zealand Journal of Agriculture, Volume 81, Issue 4, 16 October 1950, Page 329