Dolma leaf stuffed with sweetened cheese was called "thrion". The exact origins are unknown, but the Persian variety has been traced to at least the 17th century and in the 19th century Naser al-Din Shah Qajars chef records several varieties including stuffed grape leaves, cabbage leaves, cucumbers, eggplants, apples, and quinces. The recorded stuffings included ground meat, sauteed mint, rice and saffron. Dolma is a common dish in Iraqi cuisine, which includes a version of stuffed cabbage leaves, onions in aubergines cooked in tomato sauce. Syrians, Lebanese, Palestinians, Iraqis and Iranians have been making stuffed grape leaves for centuries. Over time,
Vine training grapevine to support such a large canopy is dependent on the health of its root system and storage of carbohydrates. If a vine does not have a healthy and extensive root system in proportion to its canopy, then it is being overly vigorous with parts of the vine (most notably the grape clusters) suffering due to lack of resources. While it may seem that more foliage would promote increased photosynthesis (and such carbohydrate production), this is not always the case since the leaves near the top of the canopy create excess shading that hinders photosynthesis in the leaves below. One