CALIFORNIAN THISTLE SEED.
- THE QUESTION OF GERMINATION. Quite a general impression exists among '. farmers, more particularly in the South Island, says Mrl A.'.H, .Cockayne, Government Biologist, that the seed of Cnli- : forninn thistle' will- not gerrninato, especially that found in imported lines of " agricultural seeds, notably alsyke. Recently — Dcgegen, of tno Buda-Pesth Seed Control. Station, sent Mr. Cockayne • some. Califomian thistle seed, taken from a Europpan grass seed sample, .'o osccr- :•: ■ tain if -fbo seed would germinate- on arrival in New Zealand. The seed was put • . . to germinate,'nnd 2"> per cent, sprout.vl within 21 days. This; says Mr. Cockayne, definitely shows that the.presence ' ». nf Califomian thistle in imported seed ' is a distinct menace. With reran! to , the seed:of the Now Zealand Califoruian thistle, this germinates nuito freely under the -ordinary methods employed for . the determination of the vitality of seeds. It,is significant, Jlr. Cockayne adds, that : the ininression that Califomian thistle seed .will not germinate in New Zealand ■ invariably prevails in districts where the ' - seed -is most prevalent.
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Dominion, Volume 6, Issue 1681, 22 February 1913, Page 8
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168CALIFORNIAN THISTLE SEED. Dominion, Volume 6, Issue 1681, 22 February 1913, Page 8
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