Agriculture Reference
In-Depth Information
Figure 10.2
Effects of growing conditions,resulting from different
levels of shading,on the chemical composition of fruits harvested at
different times.
—
,100% daylight;
---
,37% daylight;
---
, =
25% daylight; J,A,S harvested on 27 July,2 4 Aug. and 21 Sept. 0,1,
2,100%,37% and 25% daylight respectively. Reproduced from
Jackson
et al.
(1977),with permission.
Apples induced to set by the use of gibberellins or gibberellins plus auxins have
fewer seeds. The few-seeded fruits have particularly low Ca concentrations but
the hormone treatment also depresses fruit Ca within all categories of fruit
size and number of seeds ( Jackson
et al.
,
).
