How many locules does a tomato have?
How many locules does a tomato have?
Most cultivated varieties except cherry tomatoes have four or five locules. The locules are surrounded by the pericarp.
What is locules in tomato?
In tomato (Solanum lycopersicum) fruit, the number of locules (cavities containing seeds that are derived from carpels) varies from two to up to 10 or more. Locule number affects fruit shape and size and is controlled by several quantitative trait loci (QTLs).
How many carpels are in tomato?
The basic theme is that the ovary mature into a fruit, and its ovules (in our tomato-slice picture, the tiny grains looking like ornaments on a Christmas tree) will mature into seeds. Our tomato slice is divided into four irregularly shaped compartments, called carpels.
How do you identify a locule?
Locule number is generally easy to determine from ovary cross- and/or longitudinal sections, being equivalent to the number of wall-enclosed chambers within the ovary. In a general sense, ovaries may be unilocular, with a single locule, or plurilocular, having two or more locules.
What does the locule do?
A locule (plural locules) or loculus (plural loculi) (meaning “little place” in Latin) is a small cavity or compartment within an organ or part of an organism (animal, plant, or fungus). The locules contain the ovules or seeds. The term may also refer to chambers within anthers containing pollen.
What does the Locule do?
What’s the function of the locule?
A locule houses one or more ovules. The placenta attaches an ovule to the ovary wall. The major function of a flower ovary is to produce four structures: Eggs.
How many ovules are in a locule?
Eighteen species have between 10 and 19 ovules per locule. In all 56 species (62 taxa) have fewer than ten ovules per locule. Most species with 10 or more ovules per locule have axile placentation, the exceptions being P. brenesii, which may have up to 12 ovules per locule and P.
Is carpel and gynoecium same?
Carpels are the basic units of the gynoecium and may be free (distinct) or fused (connate). The term pistil is used in a similar manner to carpel – in some situations the terms are equivalent in meaning but not in others. For example, a flower represented by G 1 has a single carpel or a single pistil.
What is the function of the carpel?
The carpel, which is also sometimes called the pistil, is the female reproductive organ of a flower. Each carpel is usually bowling pin-shaped, and features a sac at its base in the center of a flower, and this sac is the ovary that produces and contains developing seeds, or ovules.
What is the function of locule?
The locules contain the ovules or seeds. The term may also refer to chambers within anthers containing pollen. In Ascomycete fungi, locules are chambers within the hymenium in which the perithecia develop.
Where are the seeds located in the locule?
It is located between the epicarp and locula and consists of endocarp, mesocarp, and exocarp. Locules are the cavity part of the fruit that is surrounded by the pericarp. The seeds are located inside the locular cavities and enclosed in gelatinous membranes.
Where are the seeds located in a tomato?
Locules are the cavity part of the fruit that is surrounded by the pericarp. The seeds are located inside the locular cavities and enclosed in gelatinous membranes. A cross-sectional view of the tomato is shown in Fig. 2.
What makes up the skin of a tomato?
Anatomically, the tomato consists of epicarp, pericarp, locules, and seeds (Weier et al., 1982). The epicarp is a waterproof cuticle that is known as the peel or skin. The pericarp is the fleshy part of the fruit. It is located between the epicarp and locula and consists of endocarp, mesocarp, and exocarp.
How many locules does the mature ovary have?
(Exceptions to the last two rules are the gynobasic taxa of the Lamiaceae and Boraginaceae, s.s. In both of these groups, each of the two carpels is bisected early in development by a so-called false septum, such that the mature ovary typically has four locules, each with a single placenta and ovule.