Amount of Production; Our country produces about 140,000 tons of the world production of quince and it comes in the first place followed by China,Uzbekistan,Morocco and İran.
Climate and Soil Requirements; Resistance of quince to cold and cooling requirement is lower compared to apple and pear. Since the blooming is late, it isn't affected by late frosts of spring. Branch breaking and fruit spilling can be seen in extremely windy areas. Quinces are planted in loamy, hot characteristic soils. Since the roots of quinces don't go much deeper, they are generally resistant to much humidity in soil. TPH degree of soil in between 6 - 7.5 is ideal and the lime amount of soil shouldn't be over 10%,
Use of Rootstock; Generative rootstock of quince are used in quinces and in recent years quince origin clone rootstocks such as clone Quince-A, BA 29, MC Sydo are also preferred. Plant spacing should be 5m on a line and 4m between lines for those on generative quince rootstocks and 4x3m and 4x2m between the lines for those on con rootstocks.
Fertilizing Biology; An important part of the quince species don't fertilize each other, fruit yielding might be 3% in some species therefore another species flowering in the same period should be planted.
Important Species; Ekmek Ayvası is suitable for both fresh consumption and making jam and marmalade. Other important species are Eşme, Limon, Midilli, and İstanbul Quince..
Cultivation System; Since the apricot tends to grow broad and shallow, most appropriate cultivation systems are goble and different peak branch cultivation systems. It is better to prefer goble system in humid regions like Marmara Region and prefer different peak branch system in regions with low humidity. Extreme budding should be avoided in quinces in yielding and branch thinning can be performed by removing the dry, bull, diseased and dense branches.
Diseases and Pests; The most important disease is Ervinia amylovora' (fire blight) as in pear. Bordeaux mixture should be applied 3% before the budding, 1% after the budding and 0.4% after the blooming. Redundant branches should be cut off 20 cm deep and burned. It is useful to use the protective antibiotics regularly. Monillia is another important disease and effective drugs such as thiram, karbendazil should be used for fight against disease. Worm, Mediterranean Fruit Fly are the important pests.
