EFFECT OF IRRIGATION REGIMES AND MOTHER-BULB SIZE ON SEED QUALITY AND QUANTITY OF ONION (ALLIUM CEPA L.)

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AMINPOUR R.; MOUSAVI S.F.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:13 | Issue:2 Page(s): 1-9

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Title

EFFECT OF IRRIGATION REGIMES AND MOTHER-BULB SIZE ON SEED QUALITY AND QUANTITY OF ONION (ALLIUM CEPA L.)

Author(s)

AMINPOUR R. | MOUSAVI S.F. | Issue Writer Certificate

Keywords

MOTHER-BULBQ3

TEXAS EARLY GRANOQ3

ONION SEED YIELDQ3

EVAPORATION PANQ2

Abstract

In order to study the effects of irrigation regimes and mother-bullb size on qualitative and quantitative traits of onion seed (Allium cepa L. CV. TEXAS EARLY GRANO), an experiment was conducted at Kabootar Abad Research Station of Isfahan during two growing seasons (2000-2001 and 2001-2002). The experiment design was split-plot with a randomized complete block arrangement and four replications. Main factor included three irrigation regimes based on evaporation from class A pan (I1=after 50±3mm, I2=after 70±3 mm and I3=after 90±3mm) and sub factor included two motherbulb sizes (3-6 and 6.5-8.5 cm). The results showed that seed yield, capsules/umbel and seeds/capsule in I3 were significantly lower than I1 and I2 irrigation regimes and there was no significant difference between I1 and I 2 in seed yield and yield components (umbels/m2, capsules/umbel, seeds/capsule and 1000-seed weight). Seed yield, umbels/m2 and capsules/umbel increased significantly as mother-bullb size increased. Among yield components, umbels/m2, capsules/umbel and seeds/capsule had the most contribution to seed yield and these yield components explained about 96% of seed yield variations in this experiment. Percent and rate of seed germination in I3 was significantly lower than I1 and I2 irrigation regimes (P<0.05) but MOTHER-BULB size didn't have significant effects on seed quality traits. Generally, irrigation after 90±3 mm evaporation from class A pan decreased yield and seed germination. Also, irrigation after 70±3 mm evaporation from class A and MOTHER-BULB size of 6.5- 8.5 cm might be the most suitable criteria for irrigation and onion seed production in areas with similar conditions to this experiment.

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APA: Copy

AMINPOUR, R., & MOUSAVI, S.F.. (2006). EFFECT OF IRRIGATION REGIMES AND MOTHER-BULB SIZE ON SEED QUALITY AND QUANTITY OF ONION (ALLIUM CEPA L.). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(2), 1-9. SID. https://sid.ir/paper/9401/en

Vancouver: Copy

AMINPOUR R., MOUSAVI S.F.. EFFECT OF IRRIGATION REGIMES AND MOTHER-BULB SIZE ON SEED QUALITY AND QUANTITY OF ONION (ALLIUM CEPA L.). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(2):1-9. Available from: https://sid.ir/paper/9401/en

IEEE: Copy

R. AMINPOUR, and S.F. MOUSAVI, “EFFECT OF IRRIGATION REGIMES AND MOTHER-BULB SIZE ON SEED QUALITY AND QUANTITY OF ONION (ALLIUM CEPA L.),” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. 2, pp. 1–9, 2006, [Online]. Available: https://sid.ir/paper/9401/en

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