POTATOES.
VARIETY TEST AT WAITAKI BOYS’ HIGH SCHOOL.
H. H. Allan.
Following is an account ,of a potato variety test conducted at the Waitaki Boys’ High School, Oamaru : Twelve varieties, kindly supplied by Mr. McGowan, of Willowbridge, were tested. Thirty-six tubers of. each variety were placed in shallow' trays' on the 20th August, .1911, and set out to receive the sun. - . ", The land chosen was weeded and dug and hoed on the nth October, a moderate dressing of stable manure was dug in, and the potatoes were planted on the 15th October. The sets were then well greened and had developed short, strong shoots. The sets (whole) were placed 1 ft. apart, 6 in. deep, with 2 ft. 6 in. between rows. ■ " - ■ ■ .■ • . : Plants in plots. 11, 12, 10, and 7 were up by the 10th November, having appeared in that order. All plants were ,up by the 18th November. They received intercultivation during the whole period of growth, and were hoed up on the 24th November, and also on the 2nd December. The plants were dug on the 30th July, 1912. The results were as follows :
Southern Cross retained its haulms much longer than any of the others. The great preponderance of small tubers in the Game-
keeper and Southern Cross varieties will be noticed. The plants were unsprayed, but did not suffer from blight. Only Southern Cross and Irish Queen, however, were. perfectly free. Most plots were attacked slightly by scab— Queen rather badly; while Black Skerry was particularly free.
Plot. ,. ■ . Variety. Yield per Acre (in Tons). Marketable. Small. Total. I King Edward VII . . . . 4’5 2-1 6-6 2 Daniel’s Sensation 3'9 2-3 6-2 3 Solanum Commersonii 1-0 I-I 2-1 4 Cliff Kidney 3-2 2-6 5'8 5 Black Skerry ... . . 9-6 - 3'9 13'5 6 Princess Victoria .. . . 3'4 1-9 5’3 7 Irish Queen . .. .. 7-8 4-i ii-9 8 Robin Adair .. .. i-6 i-7 . 3’3 9 . McGowan’s Early .. 5’1 . 2-1 7-2 IO Gamekeeper .. .. 3’5 7-2 io-7 ii Southern Cross . . .. 5-6 . 8-6 14-2 12 Dalmeny Beauty 9’3 6-1-15'4
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POTATOES.
New Zealand Journal of Agriculture, Volume VII, Issue 5, 20 November 1913, Page 514
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