INTERACTION OF CHLORMEQUAT CHLORIDE (CCC) AND DROUGHT STRESS ON GROWTH AND GRAIN YIELD OF THREE INTER BARLEY (HORDEUM VULGARE L.) CULTIVARS

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KHAJEH N.; EMAM Y.; PAKNIYAT H.; KAMGAR HAGHIGHI A.A.

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Journal: Iranian Journal of Field Crop Science Year:2008 | Volume:39 | Issue:1 Page(s): 33-42

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Title

INTERACTION OF CHLORMEQUAT CHLORIDE (CCC) AND DROUGHT STRESS ON GROWTH AND GRAIN YIELD OF THREE INTER BARLEY (HORDEUM VULGARE L.) CULTIVARS

Author(s)

KHAJEH N. | EMAM Y. | PAKNIYAT H. | KAMGAR HAGHIGHI A.A. | Issue Writer Certificate

Keywords

CHLORMEQUAT CHLORIDEQ3

DROUGHT STRESSQ2

YIELDQ2

YIELD COMPONENTSQ2

BARLEYQ2

Abstract

To evaluate the growth regulatory effect of CHLORMEQUAT CHLORIDE (CCC) under DROUGHT STRESS conditions on three BARLEY cultivars, a field study was conducted under Badjgah agro climatic conditions (altitude 1810 m, longitude 52o46’, and latitude 29o50’) during 2003-2004 growing season. A randomized complete block based split- split plot of four replications was employed with two moisture levels (well watered and DROUGHT STRESS during the post anthesis period) as main plots, CHLORMEQUAT CHLORIDE treatment placed in sub plots (control and 1370 g a.i. ha-1 at lemma primordium stage) and 3 BARLEY cultivars (Reyhaneh, Karoon and Valfajr) as sub-sub plots. The results indicated that DROUGHT STRESS decreased the grain YIELD, biological YIELD and harvest index of BARLEY cultivars. The effect of DROUGHT STRESS on YIELD components, except for the number of grains per spike, was significant. CCC enhanced grain YIELD under well watered conditions, however, under DROUGHT STRESS conditions it decreased the grain YIELD significantly. The number of spikes m-2 was increased in CCC-treated plants. Dry weight and leaf area decreased under DROUGHT STRESS conditions. Green leaf area and dry weight of CCC-treated plants were greater during post anthesis period. Although a deep understanding of the effect of CCC on grain YIELD under DROUGHT STRESS conditions needs more research and for longer periods, it became evident that the timely use of CCC in irrigated BARLEY farms could result in to an increased grain YIELD.

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APA: Copy

KHAJEH, N., EMAM, Y., PAKNIYAT, H., & KAMGAR HAGHIGHI, A.A.. (2008). INTERACTION OF CHLORMEQUAT CHLORIDE (CCC) AND DROUGHT STRESS ON GROWTH AND GRAIN YIELD OF THREE INTER BARLEY (HORDEUM VULGARE L.) CULTIVARS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 39(1), 33-42. SID. https://sid.ir/paper/153790/en

Vancouver: Copy

KHAJEH N., EMAM Y., PAKNIYAT H., KAMGAR HAGHIGHI A.A.. INTERACTION OF CHLORMEQUAT CHLORIDE (CCC) AND DROUGHT STRESS ON GROWTH AND GRAIN YIELD OF THREE INTER BARLEY (HORDEUM VULGARE L.) CULTIVARS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2008;39(1):33-42. Available from: https://sid.ir/paper/153790/en

IEEE: Copy

N. KHAJEH, Y. EMAM, H. PAKNIYAT, and A.A. KAMGAR HAGHIGHI, “INTERACTION OF CHLORMEQUAT CHLORIDE (CCC) AND DROUGHT STRESS ON GROWTH AND GRAIN YIELD OF THREE INTER BARLEY (HORDEUM VULGARE L.) CULTIVARS,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 39, no. 1, pp. 33–42, 2008, [Online]. Available: https://sid.ir/paper/153790/en

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