EFFECT OF SEED MOISTURE CONTENT AT HARVEST TIME ON MAIZE (ZEA MAYS L. CV. SINGLE CROSS 704) SEED QUALITY CHARACTERISTICS

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HAMIDI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Seed and Plant Year:2005 | Volume:21 | Issue:3 Page(s): 425-440

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Title

EFFECT OF SEED MOISTURE CONTENT AT HARVEST TIME ON MAIZE (ZEA MAYS L. CV. SINGLE CROSS 704) SEED QUALITY CHARACTERISTICS

Author(s)

HAMIDI A. | Issue Writer Certificate

Keywords

MAIZEQ2

SINGLE CROSS704Q4

HARVEST TIMEQ3

SEED MOISTURE CONTENTQ2

SEED VIABILITYQ3

SEEDLING VIGOURQ3

Abstract

In order to determine suitable HARVEST TIME of MAIZE(Zea mays L.) hybrid single cross 704 (B73xMo17), a research was conducted for two years (2001 and 2002) in field and central seed laboratory of Seed and Plant Improvement Institue in Karaj. Seeds were harvested with 30%,25%,20% and 15%moisture contents after 143, 138, 133 and 128 days after planting, respectively. Standard germination tests were conducted for determination of viability, vigour and some related indices. Statistical analysis indicated that seed dry weight and days to physiological maturity were not affected by HARVEST TIME, but final germination percentage, normal seedling numbers, seedling dry weight, mean daily germination and speed of daily germination were affected by interaction of year and SEED MOISTURE CONTENTs. Results also indicated that seeds harvested by 30% moisture content (143 DAP) in the first year, had the highest final germination percentage, normal seedling number, seedling dry weight, mean daily germination and daily germination speed. All indices were declined by reduction of SEED MOISTURE CONTENT in both years. Simple correlation coefficients between studied indices indicated that final germination percentage had positive correlation with daily germination speed, seedling fresh and dry weight, and negative correlations with mean germination time. Regression analysis showed first order linear relationship between final germination percentage and seedling dry weight and normal seedling number. These results suggest that the suitable seed HARVEST TIME for hybrid MAIZE SC704 was after seed physiological maturiy when seeds reached 30% moisture contents.

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APA: Copy

HAMIDI, A.. (2005). EFFECT OF SEED MOISTURE CONTENT AT HARVEST TIME ON MAIZE (ZEA MAYS L. CV. SINGLE CROSS 704) SEED QUALITY CHARACTERISTICS. SEED AND PLANT, 21(3), 425-440. SID. https://sid.ir/paper/20461/en

Vancouver: Copy

HAMIDI A.. EFFECT OF SEED MOISTURE CONTENT AT HARVEST TIME ON MAIZE (ZEA MAYS L. CV. SINGLE CROSS 704) SEED QUALITY CHARACTERISTICS. SEED AND PLANT[Internet]. 2005;21(3):425-440. Available from: https://sid.ir/paper/20461/en

IEEE: Copy

A. HAMIDI, “EFFECT OF SEED MOISTURE CONTENT AT HARVEST TIME ON MAIZE (ZEA MAYS L. CV. SINGLE CROSS 704) SEED QUALITY CHARACTERISTICS,” SEED AND PLANT, vol. 21, no. 3, pp. 425–440, 2005, [Online]. Available: https://sid.ir/paper/20461/en

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