INVESTIGADORES
DOSIO Guillermo Anibal Adrian
artículos
Título:
Weight per seed, grain oil concentration and solar radiation intercepted during grain filling in black and stripped hull sunflower hybrids
Autor/es:
IZQUIERDO, N.G.; DOSIO, G.A.A.; CANTARERO, M.; LUJAN, J.; AGUIRREZÁBAL, L.A.N.
Revista:
CROP SCIENCE
Editorial:
The Crop Science Society of America
Referencias:
Lugar: Madison, WI USA 53711; Año: 2008 vol. 48 p. 688 - 699
ISSN:
0011-183X
Resumen:
The effect of intercepted photosynthetically
active radiation (PAR) on weight per grain and oil
concentration and their dynamics was investigated
in several sunfl ower (Helianthus annuus L.)
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.
Helianthus annuus L.)
striped and black hull hybrids grown in contrasting
environments. The study included the previously
investigated hybrids Dekalb G-100 and
NKT, and two near isohybrids, which differed
in the character of the type of hull. The effect
of intercepted PAR lower than those studied in
previous works was also investigated. Oil concentration
was affected by intercepted radiation
but striped hull hybrids reached the maximum
oil concentration at lower levels of intercepted
PAR than black hull hybrids. A decrease in intercepted
radiation decreased fi nal oil concentration
mainly due to a lower duration of the phase
during which oil concentration linearly increases.
Despite the hull type, changes in grain oil concentration
that were originated by changes
in intercepted radiation largely depended on
kernel oil concentration. No differences were
observed in the response of weight per grain to
changes in intercepted radiation among black
hull and striped hull hybrids. Low sensitivity of
oil concentration to changes in intercepted PAR
must be considered for modeling grain quality.
Striped hull hybrids could perform as black hull
hybrids in environments with low intercepted
radiation during grain fi lling.