EFFECT OF IRRIGATION WITH HOLDING AND FOLIAR POTASSIUM APPLICATION ON SOMEPHYSIOLOGICAL CHARACTERISTICS, HARVEST INDEX AND YIELD OF TWO CULTIVARS AND A LINE OFBREAD WHEAT

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ZAREIAN ABBAS; HAMIDI AIDIN; HASANI FARSHID

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Paper Information

Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2018 | Volume:19 | Issue:4 Page(s): 1077-1093

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Title

EFFECT OF IRRIGATION WITH HOLDING AND FOLIAR POTASSIUM APPLICATION ON SOMEPHYSIOLOGICAL CHARACTERISTICS, HARVEST INDEX AND YIELD OF TWO CULTIVARS AND A LINE OFBREAD WHEAT

Author(s)

ZAREIAN ABBAS | HAMIDI AIDIN | HASANI FARSHID | Issue Writer Certificate

Keywords

CELL MEMBRANE STABILITYQ1

CHLOROPHYLLQ2

DROUGHT STRESSQ2

NORMAL IRRIGATIONQ2

PHOTOSYNTHESISQ2

Abstract

In order to evaluate the effect of irrigation withholding and foliar potassium application on somephysiological traits (photosynthesis, CELL MEMBRANE STABILITY and CHLOROPHYLL) and harvest index of wheat(Triticum aestivum L. ), an experiment was carried out using a split plot factorial based on a randomizedcomplete blocks design with three replications in 2011-2012 in two locations: Seed and PlantCertification and Registration Research Institute, Karaj and Agricultural and Natural Resources ResearchCenter, Yazd. The experimental factors were included DROUGHT STRESS (three levels of irrigationwithholdings were irrigation withheld from ear emergence to physiological maturity, irrigation withheldfrom grain filling to physiological maturity, and NORMAL IRRIGATION) foliar potassium application (withoutpotassium application, 1. 5 and 3. 0% K2SO4) and genotype (two wheat cultivars of ‘ Marvdasht’ , ‘ Pishtaz’ and aline‘ WS-82-9’ ). Results showed that the studied characteristics were significantly reducedby increasing DROUGHT STRESS level. The highest harvest index was observed in ‘ WS-82-9’ in Karaj undernormal irrigation (32. 69%) and the lowest harvest index was obtained from ‘ Marvdasht’ cultivarin Yazd, under severe stress (11. 50%). Genotypes were different for CELL MEMBRANE STABILITY and the lowest ratewas belonged to ‘ Marvdasht’ (35. 5%). Foliar application of 3. 0% K2SO4 caused to significant differencesin physiological characteristics, especially for leaf PHOTOSYNTHESIS under severe DROUGHT STRESS condition: PHOTOSYNTHESIS increased 99. 1 and 69. 7% in Yazd and Karaj, respectively. It can be concluded thatcultivating of ‘ WS-82-9’ and spraying of 3. 0% K2SO4 were effective to moderate DROUGHT STRESS, especially when fields have limitations for irrigation water at the end of crop life cycle.

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APA: Copy

ZAREIAN, ABBAS, HAMIDI, AIDIN, & HASANI, FARSHID. (2018). EFFECT OF IRRIGATION WITH HOLDING AND FOLIAR POTASSIUM APPLICATION ON SOMEPHYSIOLOGICAL CHARACTERISTICS, HARVEST INDEX AND YIELD OF TWO CULTIVARS AND A LINE OFBREAD WHEAT. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 19(4 ), 1077-1093. SID. https://sid.ir/paper/209595/en

Vancouver: Copy

ZAREIAN ABBAS, HAMIDI AIDIN, HASANI FARSHID. EFFECT OF IRRIGATION WITH HOLDING AND FOLIAR POTASSIUM APPLICATION ON SOMEPHYSIOLOGICAL CHARACTERISTICS, HARVEST INDEX AND YIELD OF TWO CULTIVARS AND A LINE OFBREAD WHEAT. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2018;19(4 ):1077-1093. Available from: https://sid.ir/paper/209595/en

IEEE: Copy

ABBAS ZAREIAN, AIDIN HAMIDI, and FARSHID HASANI, “EFFECT OF IRRIGATION WITH HOLDING AND FOLIAR POTASSIUM APPLICATION ON SOMEPHYSIOLOGICAL CHARACTERISTICS, HARVEST INDEX AND YIELD OF TWO CULTIVARS AND A LINE OFBREAD WHEAT,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 19, no. 4 , pp. 1077–1093, 2018, [Online]. Available: https://sid.ir/paper/209595/en

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