Effects of saline irrigated water on forage quality of globe artichoke (Cynara cardunculus var. scolymus L.)

  • سال انتشار: 1399
  • محل انتشار: دوفصلنامه تحقیقات کشاورزی ایران، دوره: 39، شماره: 1
  • کد COI اختصاصی: JR_IAR-39-1_006
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 303
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نویسندگان

Babak Bahreininejad

Natural Resources Research Department, Isfahan Agricultural and Natural Resources Research Center, Agricultural Research Education and Extension Organization (AREEO), Isfahan, Iran.

Marziyeh allahdadi

Department of Plant Ecophysiology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.

چکیده

Salinity is a major abiotic stress for crop production in many parts of the world. To evaluate the effects of irrigation with saline water on growth parameters and forage quality of globe artichoke (Cynara cardunculus var. scolymus), a field experiment was conducted using a randomized complete block design with three replications at Isfahan Agricultural and Natural Resources Research and Education Center, Iran during ۲۰۱۳-۲۰۱۵. The treatments were four irrigation levels with saline water (۴, ۸, ۱۲ and ۱۶ dS.m-۱). Plant fresh weight (FW), plant dry weight (DW), crude protein (CP), water-soluble carbohydrates (WSC), neutral detergent fiber (NDF), acid detergent fiber (ADF), dry matter digestibility (DMD), total tannins (TT) and ash content were measured in the second year of growth season. The results showed that the maximum fresh weight (۵۱۵۵۱ kg ha-۱) and dry weight (۹۰۰۰ kg ha-۱) were obtained at EC=۴ dS.m−۱. Increasing salinity levels caused a significant reduction in NDF and ADF contents, while ash, CP, DMD and TT contents were increased. The treatments of EC=۱۲ and EC=۱۶ dS.m−۱ produced the highest amount of CP (۱۷۸.۳, ۱۸۵.۱ g/kg DM), DMD (۶۱۳.۲, ۶۳۶.۲g/kg DM) and the lowest content of NDF (۵۹۸, ۵۸۵.۱g/kg DM) and ADF (۳۹۳, ۳۷۷۸g/kg DM), respectively. The lowest tannin content (۲۸.۲g/kg DM) was observed in EC=۴ dS.m−۱ and there was no significant difference between the treatments of EC=۸ and EC=۱۲ dS.m−۱. Generally, results showed that although increasing salinity decreased plant yield, it could increase forage quality characteristics.

کلیدواژه ها

Artichoke, Crude Protein, Dry matter digestibility, Saline water, Total tannin

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