Background: Drought restricts the development of characteristic forestry and fruit industry, such as jujube in South Xinjiang, China. This problem could be addressed with some efficient water-saving irrigation methods. Particularly, Indirect Subsurface Drip Irrigation (ISDI) is an effective irrigation method for water-conservation. Dripper discharge is an important design parameter for such irrigation.
Production rates of CO2 and C2H4 by fruits of jujube (Zizyphus jujuba Lam.), picked at the whitish-green stage and held at 20ºC for 15 days, followed a nonclimacteric pattern. Skin color changed from whitish-green to reddish-brown with fruit maturation. Relative to most other fresh fruits, Chinese jujubes are lower in water content and titratable acidity, and higher in total sugars (mostly reducing sugars) and phenolics.
Jujube, or Chinese date, is a deciduous fruit tree of tropical and subtropical origin, now grown primarily in home gardens in California and Florida. Among problems that have limited development of jujube as a commercial crop in California are several factors related to harvesting and postharvest handling. These include variation in ripening time among fruits, failure of green fruits to ripen after harvest, and poor storageability of ripe fruits on the tree.