Claim · model-written summary
Lateral capsule dry weight fell 15% by commercial harvest.
Verbatim
e0“for lateral capsules 15%”
e1“this decrease between maximum dry weight and that at the time of commercial harvest (8 weeks after full bloom)”
t0“poppies (Papaver somniferumL.)”
Title
The effect of time of harvest on the yield components of poppies (Papaver somniferumL.)
J. C. Laughlin The Journal of Agricultural Science 1980. doi:10.1017/s0021859600088067
Other claims from this paper (11)
- Observation Total plant and non-seed component dry matter peaked 2–3 weeks after full bloom, then declined.
- Observation Total plant dry weight fell 26% from its maximum to commercial harvest.
- Observation Terminal capsule dry weight fell 37% by commercial harvest.
- Observation Stem plus leaf dry weight fell 39% by commercial harvest.
- Observation Seed dry matter reached a maximum by four weeks after full bloom and remained constant.
- Observation Capsule morphine concentration peaked at 1·1% six weeks after bloom.
- Observation Capsule morphine concentration declined about 10% by dry harvest.
- Observation Stem and leaf morphine concentration peaked at 0·1%.
- Observation Stem and leaf morphine concentration halved by commercial harvest.
- Observation Whole plant morphine yields were similar for harvests two to seven weeks after bloom.
- Observation Whole plant harvest yielded about 50% more morphine than capsules alone at commercial harvest.