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Cited by 63 publications
(79 citation statements)
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References 18 publications
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“…The inability of IAA or ABA to inhibit the growth of pollinated ovaries when applied to the severed stump of decapitated plants may indicate that following pollination, these organs contain saturating levels of active GAs to counteract the inhibitory effect of IAA or ABA transported from the apical shoot. This is in agreement with the observation that the level of GA 1 (the presumed active GA) in the pod of pollinated ovaries (approximately 1.2 ng/g fresh weight) is sufficient to stimulate the maximum growth capability of the ovary, and that the presence of higher concentrations of GA 1 in the ovary (as a result of exogenous applications) does not elicit further growth (Rodrigo et al, 1997). This is probably the reason that the inhibitory effect of IAA and ABA from the apical shoot is not perceived under standard experimental conditions in the presence of developing seeds.…”
Section: Discussionsupporting
confidence: 91%
See 1 more Smart Citation
“…The inability of IAA or ABA to inhibit the growth of pollinated ovaries when applied to the severed stump of decapitated plants may indicate that following pollination, these organs contain saturating levels of active GAs to counteract the inhibitory effect of IAA or ABA transported from the apical shoot. This is in agreement with the observation that the level of GA 1 (the presumed active GA) in the pod of pollinated ovaries (approximately 1.2 ng/g fresh weight) is sufficient to stimulate the maximum growth capability of the ovary, and that the presence of higher concentrations of GA 1 in the ovary (as a result of exogenous applications) does not elicit further growth (Rodrigo et al, 1997). This is probably the reason that the inhibitory effect of IAA and ABA from the apical shoot is not perceived under standard experimental conditions in the presence of developing seeds.…”
Section: Discussionsupporting
confidence: 91%
“…However, only applied GAs produce parthenocarpic fruits morphologically similar to fruits with seeds (Vercher et al, 1984;Carbonell and García-Martínez, 1985). Furthermore, the inhibition of fruit growth by inhibitors of GA biosynthesis and its reversal by applied GAs (García-Martínez et al, 1987;Santes and García-Martínez, 1995), and the correlation between the content of GAs in different tissues of fruit and the growth rate of the pod (García-Martínez et al, 1991;Rodrigo et al, 1997) suggest that GAs, probably GA 1 , are the hormones that control the development of the pericarp of seeded fruits.…”
mentioning
confidence: 99%
“…GA 20 is the immediate precursor of GA 1 in many species (Graebe, 1987). The metabolic biosynthetic pathway of GA 1 in reproductive tomato tissues, however, is still unknown, and GA 4 as an alternative precursor, as suggested in pea fruit (Rodrigo et al, 1997), cannot be fully discarded. However, the low GA levels of members of the GA 4 biosynthetic pathway in young tomato fruit (Bohner et al, 1988;Koshioka et al, 1994) suggest that the early-13-hydroxylation pathway is the main operative pathway in the ovary and fruit (Fig.…”
Section: Discussionmentioning
confidence: 99%
“…For instance, decreasing levels of GA1, as found for severa1 species during early seed development (García-Martínez et al, 1987;Koshioka et al, 1993;Tadeo et al, 1994;Swain et al, 1995;Rodrigo et al, 1997), are consistent with the existente of different GA 2p-and 3p-hydroxylase activities in endosperm and embryo tissues. GAs are important for early embryogenesis and embryo growth (Pharis and King, 1985;Yeung and Meinke, 1993).…”
Section: Malngkvates0psnlne Emk^e Yr0p ---Fggsdes K H L[3---[3s@0 Kfkmentioning
confidence: 59%