pollination under netting learnings from nz · 2019-11-21 · pollination under netting...
TRANSCRIPT
The New Zealand Institute for Plant & Food Research Limited
Pollination under netting – learnings from NZ
Dr. Lisa Evans @LisaEvansNZ
Plant & Food Research
Mark Goodwin, Brian Cutting, Crystal Felman, Mateusz Jochym,
Sarah Cross, Milena Janke, Grant Fale, William Max, David Holmes
$3 billion+ in revenue
$1.9 billion in exports
800+ ha of covered Gold3 kiwifruit
Image: Mark Goodwin, PFR
Image: Mark Goodwin, PFR
Image: Jamie Troughton Image: Brian Cutting
Define the
problem with
bee tracking
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Foraging trips per day
Open Covered0
1
2
3
4
5
6
Average days spent foraging
Open Covered
37%
71%
COVERED ORCHARDOPEN ORCHARD
% of tagged bees failing to return to colony
pre post pre post
40
00
60
00
80
00
10
00
0
Bee assessment
Estim
ate
d n
um
be
r o
f b
ee
s**
Hives in open orchard Hives under netting
Pre Post Pre Post
Nu
mb
er
of b
ee
s in
hiv
e
Timing of assessment
pre post pre post
40
00
60
00
80
00
10
00
0
Bee assessment
Estim
ate
d n
um
be
r o
f b
ee
s**
Hives in open orchard Hives under cover
Pre Post Pre Post
Nu
mb
er
of b
ee
s in
hiv
e
Timing of assessment
Enhancing
honey bee
pollination
Orchard
1 2 3 4 5 6 7 8 9 10P
erc
en
t o
f fir
st a
ud
it
60
80
100
120brood
bees
Cage Half sides Roof
Full cage Half sides Roof only
Data courtesy of Mark Goodwin (PFR)
Holes in
covers
Providing
visual
landmarks
0 20 40 60 80 100 120 140
Distance from landmark (m)
Pe
rce
nta
ge
of firs
t a
ud
it
0
20
40
60
80
100
1
20
Colony size
Next step
Rural R&D for Profit project:
Novel technologies and practices for the
optimisation of pollination within protected
cropping environments
The New Zealand Institute for Plant & Food Research Limited
www.plantandfood.co.nz
Thank you
@LisaEvansNZ
Number of bees in hives
Day
Number of bees in hives
Day