Almonds are widely cultivated in Sicily, Sardinia and the sor~ithern provinces; walnut trees throughout the peninsula, their wood being more important than their fruit; hazel nuts, figs, prickly pears (used in the south and the islands for hedges, their fruit being a minor consideration), peaches, pears, locust beans and pistachio nuts are among the other fruits.
Kermes), the pistachio or terebinth tree, the sumach (Rhus pentaphila), and other species of Rhus which are widely spread.
The prosperity of the town is largely due to the export trade in phosphates, esparto grass, oil, almonds, pistachio nuts, sponges, wool, &c. There is in the Gulf of Gabes a rise and fall of 5 ft.
Pistachio Nut >>
Lichtenstein has established the fact that from the egg of the Aphis of Pistachio galls, Anopleura lentisci, is hatched an apterous insect (the gall-founder), which gives birth to young Aphides (emigrants), and that these, having acquired wings, fly to the roots of certain grasses (Bromus sterilis and Hordeum vulgare), and by budding underground give rise to several generations of apterous insects, whence finally comes a winged brood (the pupifera).
These last issuing from the ground fly to the Pistachio, and on it deposit their pupae.
The locust bean (used for forage), figs, and peaches are widely grown, while in certain special zones the pistachio and the manna-ash yield rich returns.
In the valleys of the Waksh and Pro- and the Surkhab to the north of Darwaz, which form an important part of the province of Karategin, maple, ash, hawthorn, pistachio, and juniper grow freely in the mountain forests, and beetroot, kohl rabi, and other vegetables are widely cultivated.
The true pistachio is found only on the northern frontier; the nuts are imported from Badakshan and Kunduz.