Etrog (ritual)

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A diagram of the Halachic properties of an etrog.

Etrog leads here, for other uses see Etrog (disambiguation).

Etrog, is the Hebrew name for the citron or Citrus medica. This is the standard romanization of the original lettering אֶתְרוֹג, which is according to the Sephardic pronunciation. Some still follow the Ashkenazi version calling it esrog, by others it is transliterated as athrog or similar^[1].

It is well known as one of the four species used in the rituals associated with the Jewish holiday of Sukkot. In some period of time it was also regarded as a major Jewish symbol.

Leviticus 23:40 refers to the etrog as pri eitz hadar (פְּרִי עֵץ הָדָר), which literally means, "a fruit of the beautiful tree." In modern Hebrew, hadar refers to the genus citrus, while Nahmanides (1194 – c. 1270) suggests that the word was the original Hebrew name for the citron. According to him, the word etrog was introduced over time, adapted from the Aramaic. The Arabic name for the citron fruit, itranj (اترنج), mentioned in hadith literature, is also associated with the Hebrew.

After its main role in the ritual on Sukkot, it is a common Ashkenazi custom to eat the etrog on Tu Bishvat in form of a sugared fruit soup which is also including quince^[2], or as succade. By this time, they are praying to The Almighty to merit a beautiful Etrog for the upcoming Sukkoth.^[3]

1 Marketability
2 Purity
- 2.1 Tradition and Molecular Evidence
- 2.2 Selections and Care
3 References
4 External links

[edit] Marketability

A Yanover Etrog with a Pitam.

[edit] Size

The fruit is ready to harvest when it reaches about six inches in length. Although for commercial use it is not harvested before January, when at optimum size – for ritual use it must be picked while still small, in order to reach the market in time. The optimal size is also the best for marketability, as by growing larger it may lose from its beauty. Since the citron blooms several times a season, fruit may be picked during July and August, and even in June.

According to Halacha the fruit must only reach the size of a hen's egg in order to be considered kosher, but larger sizes are preferred as long as they can be held with one hand. Marketwise, a nice size fetches a higher price, as long the fruit is also good in other aspects. If both hands are needed to hold it, it is still kosher, but less desirable.

[edit] Colour

A man in Bnei Brak examines a Yemenite etrog for flaws.

According to Halacha the fruit should at least start to ripen and turn yellow before the first day of use. On the other hand, it is not nice and consequently not marketable when overripe, and colour turning to hot yellow. Therefore it is typically picked while still green, taking advantage of ethylene gas to ripen the fruit in a controlled manner. The same gas is also naturally released from apples, so some growers simply put the fruits in the same box as apples.

In any case, one should be very careful while experimenting with ethylene, since it may cause the small peduncle stalk (the oketz) to fall off, and render the etrog un-kosher.

[edit] Cleanliness

A Yanover Esrog whithout a Pitam.

The etrog used in the mitzvah of the four species must be largely unblemished, with the fewest black specks or other flaws. The greatest cleanliness is required on the tapered top portion, which is called hotem, referring to the nose of an animal.

Extra special care is needed to cut around the leaves and thorns that may scratch the fruit. It is also important to protect the fruit-bearing trees from any dust and carbon, which may get caught in the stomata of the fruit during growth, and may later appear as a black dot.

[edit] Shape

The etrog may differ in shape, since the several citron varieties used for that purpose, each bear fruits with a distinct form and shape. Furthermore, a specific variety or even a single tree may also bear fruit in several shapes and sizes. That's why a nice shape still plays a great role in the marketability of the fruit.

An etrog of completely round shape is not-kosher, whilst a slanted or bent specimen is permissible but is not the greatest. The bearing branch must be arched down with care, in order to get the fruit growing straight in a downward position. Otherwise the fruit will be forced to make the curvature on its own body, while turned downwards because of its increasing weight. This practice must be performed very delicately in order not to break the stiff citron twig.

While many go for the pyramid shape of variety etrog, and others for the barrel shape of the Diamante, some look for an etrog with a gartel—a hourglass-like strip running around the middle, which is more commonly found on the Moroccan citron.

An unearthed mosaic from the floor of a sixth century C.E. synagogue in northern Negev, Israel, depicting two garteled etrogs at both sides of a Menorah (Temple) base.

According to researchers, this gartel indicates when the bearing tree was infected by a certain virus or viroid, which decreases the albedo on the specific spot. These viroids have been around since the time of Bar Kokhba (circa 130 CE), as obtained from the fact that archaeologists have unearthed a mosaic depicting an etrog with a gartel.^[4]

Only the etrog is found to be susceptible to these viroids, proving again that the etrog is genetically pure, and has not changed much over the centuries. ^[5]

[edit] Pitom

Valencia oranges with healthy pitoms intact, thanks to the picloram hormone.
from reference article

An etrog with an intact pitom is considered especially valuable. A pitom is composed of a style (Hebrew: dad), and a stigma (Hebrew: shoshanta), which usually falls off during the growing process. However, varieties that shed off their pitom during growth are also kosher. When only the stigma breaks off, even post-harvest, it could still be considered kosher as long as part of the style has remained attached. If the whole pitom i.e. the stigma and style, are unnaturally broke off till the bottom, it is not kosher for the ritual use.

Many pitoms are preserved today thanks to an auxin discovered by Dr. Eliezer E. Goldschmidt, formerly professor of horticulture at the Hebrew University. Working with the picloram hormone in a citrus orchard one day, he discovered to surprise that some of the Valencia oranges found nearby had preserved beautiful, perfect pitoms.

Usually a citrus fruit, other than an etrog or citron hybrid like the bergamot, does not preserve its pitom. When it occasionally does, it should at least be dry, sunken and very fragile. In this case the pitoms were all fresh and healthy just like those of the Moroccan or Greek citron varieties.

Experimenting with the picloram in a laboratory, Professor Goldschmidt eventually found the correct “dose” to achieve the desired effect: one droplet of the chemical in three million drops of water. This invention is highly appreciated by the Jewish community.^[6]

[edit] Purity

In order for a citron to be kosher it must be pure, not grafted nor bred with any other species, therefore only a few traditional varieties are used. In addition, the plantations must be under strict rabbinical supervision.

[edit] Tradition and Molecular Evidence

v • d • e Citron varieties

Citron varieties used in the Etrog ritual.	Diamante citron · Greek citron · Balady citron · Moroccan citron · Yemenite citron

Citron varieties NOT used in the Etrog ritual.	Buddha's hand · Florentine citron

Wikimedia Commons has media related to:

Etrog

The Citron varieties traditionally used as Etrog, are the Diamante Citron from Italy, the Greek Citron, the Balady Citron from Israel, the Moroccan and Yemenite Citrons.

A general DNA study was arranged by the world-renowned researcher of the etrog, Prof. E.E. Goldschmidt and colleagues, who positively testified 12 famous accessions of citron for purity and being genetically related.

As they clarify in their joint publication, this is only referring to the genotypic information which could be changed by breeding for e.g. out cross pollination etc., not about grafting which is not suspected to change anything in the genes.^[7]

The internal properties of an Etrog, represented by cross section of the Lefkowitz variety.

The Fingered and Florentine Citrons although they are also Citron varieties or maybe hybrids, are not used for the ritual. The Corsican Citron is no longer in use even it was once used and sacred.

[edit] Selections and Care

In addition to the above, there are many rabbinical indicators to identify pure etrogs out of possible hybrids. Those traditional specifications were preserved by continues selections accomplished by professional farmers.^[8]

The most accepted indicators are as following: 1) a pure etrog has a thick rind, in contrast to its narrow pulp segments which are also almost dry, 2) the outer surface of an etrog fruit is ribbed and warted, and 3) the etrog peduncle is somewhat buried inward; a lemon or different citron hybrid is opposing one or all of the specifications.^[9]

A later and not so widely accepted indicator is the orientation of the seed, which should be pointing vertically by an etrog, except if it was strained by its neighbors; by a lemon and hybrids they are positioned horizontally even when there is enough space.^[10]

The etrog is typically grown from cuttings that are two to four years old, the tree begins to bear fruit when it is around four years old.^[11] If the tree germinates from seeds, it will not fruit for about seven years, and there may be some genetic change to the tree or fruit in the event of seed propagation.^[12]