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Factors Promote Germination and Initial Growth of Monochoria vaginalis

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Abstract:

The purpose of study was conducted to examine factors that influence on germination of Monochoria vaginalis, a major and problematic weed in paddy fields. It was found that seed coats of barnyardgrass and Monochoria itself strongly promoted germination of Monochoria seeds. Germinating rice seeds caused germination induction of Monochoria, but dehulled rice and rice hulls did not play a role. In general, rice root exudates from 2 to 22 day after germination did not exert significant influence on germination and initial growth of Monochoria. The increase of rice seeds showed no remarkable impact on germination, root length and shoot length of Monochoria. In conclusion, it is suggested that coats of weed seeds, residues of rice and other plants in paddy fields may play a critical role in promoting germination of Monochoria seeds. Therefore, the incorporation of these residues in paddy fields may provide negative impact to weed control as germination of Monochoria is much accelerated.

Info:

Periodical:
International Letters of Natural Sciences (Volume 59)
Pages:
48-54
DOI:
10.18052/www.scipress.com/ILNS.59.48
Citation:
T. D. Xuan et al., "Factors Promote Germination and Initial Growth of Monochoria vaginalis", International Letters of Natural Sciences, Vol. 59, pp. 48-54, 2016
Online since:
Oct 2016
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