Emergence and Control of Weeds in Non-Tillage, Dry-seeded Rice

英雄, 千坂; 得一, 草薙

doi:10.3719/weed.23.185

Cited by 2 publications

(1 citation statement)

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“…Furthermore, it was also postulated that even if no straw was applied, M. vaginalis could easily emerge in the following year, as rice stubbles would be left in the field. Chisaka and Kusanagi (1978) demonstrated that an emerged number of M. vaginalis increased after flooding in no‐tillage, dry‐seeded rice paddy fields compared with those in conventional tillage rice paddy fields.…”

Section: Stimulatory Allelopathy In Ricementioning

confidence: 98%

Inhibitory and promotive allelopathy in rice (Oryza sativa L.)

Takeuchi

Kawaguchi

Yoneyama

2001

Weed Biology and Management

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Studies on allelopathic rice, which inhibits the germination and development of weeds such as barnyardgrass (Echinochloa spp.) and ducksalad [Heteranthera limosa (Sw.) Wild.], have been strongly conducted in the USA, the Philippines, Japan, Korea, and other countries since the 1980s. Weed‐suppressing rice plants can compete with weeds for light and mineral nutrients by their rapid and thick growth characteristics, and probably also by their allelopathic effects. It was suggested that allelopathic properties were inherited from parents. Different screening methods for finding allelopathic rice simply and rapidly have been proposed. In contrast, stimulative allelopathy in rice, which promotes germination of the dormant and dormancy‐awakened seeds of Monochoria vaginalis (Burm. f.) Kunth var. vaginalis, has been investigated by the authors since the 1990s. Rice seeds promoted the germination in the dark and in light under submerged conditions. Our experiments suggested that rice seeds, hulls, plants and straw contain stimulative substance(s) that promote seed germination of M. vaginalis.

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Section: Stimulatory Allelopathy In Ricementioning

confidence: 98%