EFFECT OF WATER DEFICIT ON PHYSIOLOGICAL ASPECTS OF MAIZE SEED DEVELOPMENT

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MADANDOUST M.; NOURMOHAMMADI GHORBAN; EMAM Y.

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Paper Information

Journal: Iranian Journal of Crop Sciences Year:2001 | Volume:3 | Issue:3 Page(s): 19-31

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Information Journal Paper

Title

EFFECT OF WATER DEFICIT ON PHYSIOLOGICAL ASPECTS OF MAIZE SEED DEVELOPMENT

Author(s)

MADANDOUST M. | NOURMOHAMMADI GHORBAN | EMAM Y. | Issue Writer Certificate

Keywords

MAIZEQ2

WATER DEFICITQ2

POLLINATION AND SEED DEVELOPMENTQ2

Abstract

The necessary condition for a good crop is good seed quality, but unfortunatly this subject has not been adequately addressed in Iran. The recognition of good seed quality requires knowledge of physiological relations in seed development period. In this respect, study of limiting factors is necessary. This investigation recognizes how WATER DEFICIT affects seed development and seedling growth in MAIZE reproductive period. Therefore, duration of WATER DEFICIT effects on seed dry weight, embryo weight, endosperm weight in seed filling period, germinability initiation, % germination and seedling dry weight were evaluated. Field experiment was conducted in the agronomy field of Azad university, Fasa campus in summer of 2000 using a randomized complete block design with 3 replications. WATER DEFICIT treatments included three levels that consisted of control or normal situation of moisture in soil, early WATER DEFICIT (carried out from the second day after pollination), and late WATER DEFICIT (carried out from the eighteenth day after pollination). The linear regression between % germination with % kernel moisture and embryo dry weight and endosperm dry weight with seedling dry weight were determined. Results showed that seed, embryo and endosperm weight differences were significant from middle filling period for all treatments. Maximum seed dry weight, embryo weight and endosperm weight was achieved with control. Percent kernel moisture was not significantly affected by WATER DEFICIT in stages of seed growth. Germinability initiation difference was not significant for all treatments, but % germination and seedling dry weight was affected significantly. Germinability of MAIZE seed began from 35 to 42 days after pollination. The relationships between % kernel moisture with % germination, embryo dry weight with % germination, and endosperm dry weight with seedling dry weight for one to three levels was significant.

Cites

THE EFFECT OF DROUGHT STRESS IN SEEDLING AND WHOLE PLANT ON PHYSIOLOGICAL TRAITS OF CORN (ZEA MAYS L.) VARIETIES UNDER URMIEH CONDITIONS

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APA: Copy

MADANDOUST, M., NOURMOHAMMADI, GHORBAN, & EMAM, Y.. (2001). EFFECT OF WATER DEFICIT ON PHYSIOLOGICAL ASPECTS OF MAIZE SEED DEVELOPMENT. IRANIAN JOURNAL OF CROP SCIENCES, 3(3), 19-31. SID. https://sid.ir/paper/57062/en

Vancouver: Copy

MADANDOUST M., NOURMOHAMMADI GHORBAN, EMAM Y.. EFFECT OF WATER DEFICIT ON PHYSIOLOGICAL ASPECTS OF MAIZE SEED DEVELOPMENT. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2001;3(3):19-31. Available from: https://sid.ir/paper/57062/en

IEEE: Copy

M. MADANDOUST, GHORBAN NOURMOHAMMADI, and Y. EMAM, “EFFECT OF WATER DEFICIT ON PHYSIOLOGICAL ASPECTS OF MAIZE SEED DEVELOPMENT,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 3, no. 3, pp. 19–31, 2001, [Online]. Available: https://sid.ir/paper/57062/en

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