Plant Variety Journal - IP Australia

Details of Application
Application Number 2006/203
Variety Name ‘Tegege’
Genus Species Cannabis sativa
Common Name Industrial Hemp
Synonym Nil
Accepted Date 15 Aug 2006
Applicant Agri Fibre Industries Pty. Ltd., Bundaberg, QLD
Agent N/A
Qualified Person David Gillespie
Details of Comparative Trial
Location Bargara, QLD
Descriptor Hemp (Cannabis sativa) TG/Hemp (DRAFT).
Period 2008-2009.
Conditions Trial 1 (Autumn 2008): the trial was sown in a well prepared
red ferrisol kraznozem on 28th Feb 2008. Growth conditions
were not conducive for plant measurements as we
subsequently discovered that the area had previously been
band treated with diuron two years before planting, too soon
for a sensitive crop like industrial hemp, and this made the
trial quite variable. Also the autumn time of sowing meant
maturity was earlier and less spread out than the normal
spring planting time. Leaf measures and plant heights were
affected by the short day length and differences were slight
compared to a spring planting. Weeds were removed at a
young age by hand throughout the trial period. Watering was
by trickle irrigation and plants were never stressed for water.
Pest and diseases were controlled as necessary with
insecticides and fungicides before there was any damage.
Trial Design Randomised factorial complete block with 4 replicates with
100 plants per variety per replicate.
Measurements For leaf 30 samples per replicate, for plant height 20 samples.
RHS Chart - edition 2001.
Origin and Breeding
Controlled pollination: the pollination was controlled to the extent that male plants
were removed before anthesis from the maternal parent while several paternal parents
of unknown origin to the applicant pollinated the maternal parent. The source F1
hybrid seed coded ‘Guelph 3-64’ was imported through quarantine under licence from
Mr Peter P. Dragla (now deceased), University of Guelph, Ridge Town College,
Ontario, Canada in Dec, 2003. The breeding line ‘Guelph 3-64’ was from very late
maturing parents under Canadian conditions (matured in 160 days from sowing). The
F1 source seed and subsequent generations were then grown in isolation until final
selection. Open pollination from individual plants selected for low THC content was
carried out in the first three generations from the F1 source seed. Male plants were
screened before anthesis, small males discarded and female plants screened for low
THC content at half seed fill using an in-house colorimetric test. The Government
analyst also monitored populations with a random 30 plant sample. Achenes of
‘Tegege’ were tasted when semi-hard mature at F3 generation and tasted very good.
‘Tegege’s fatty acid profile was determined by SGS Toowoomba, Queensland a
NATA accredited laboratory. Bast fibre strength by breaking stalks was low for
‘Tegege’. Bast fibre content was however high at 31% while ‘Carmen’ measured 30%
bast fibre content and ‘Anka’ 18% bast in previous experiments. Seed yields of
individual plants were recorded with the highest seed yielding plants retained that had
low THC content. Final selections were taken at the F5 generation.
Page 231 of 550
Plant Varieties Journal Vol. 21 No.3