Results 181 to 190 of about 248,060 (211)
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2021
Key to the species of Sida sect. Sidae 1. Leaves distichous...................................................................................................................................................................... S.acuta - Leaves not distichous .................................................................................................
Kumar, Ettickal Sukumaran Santhosh +4 more
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Key to the species of Sida sect. Sidae 1. Leaves distichous...................................................................................................................................................................... S.acuta - Leaves not distichous .................................................................................................
Kumar, Ettickal Sukumaran Santhosh +4 more
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2021
Abstract Originating in central America, the small perennial shrub, S. acuta has successfully invaded the tropics worldwide, largely as a contaminant in pasture seed. Its tolerance of a wide range of growing conditions has enabled S. acuta to become established in these diverse habitats.
Julissa Rojas-Sandoval +2 more
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Abstract Originating in central America, the small perennial shrub, S. acuta has successfully invaded the tropics worldwide, largely as a contaminant in pasture seed. Its tolerance of a wide range of growing conditions has enabled S. acuta to become established in these diverse habitats.
Julissa Rojas-Sandoval +2 more
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Arrowleaf sida (Sida rhombifolia) and prickly sida (Sida spinosa): germination and emergence
Weed Research, 1992Summary: Résumé: ZusammenfassungMaximum arrowleaf sida (Sida rhombifolia L.) germination occurred at 35°C, whereas prickly sida (Sida spinosa L.) germinated to the same extent at 35 or 40°C. Arrowleaf sida germinated better than prickly sida at 20 and 25°C, but did not germinate at 40°C. Less than 50% of seed from both species were viable at 45°C after
C. A. SMITH, D. R. SHAW, L. J. NEWSOM
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2023
Sida rhombifolia L. – Fig. 6. A Gg: Georgia: Guria region, Ureki–Magnetiti, nameless small street connecting Taqaishvili Street and main lateral street, 41.9957556°N, 41.7632444°E, 5 m, eleven small shrubs, 26 Aug 2022, Novák (BRNU photo [Fig. 6] + herbarium specimen revised by G. Tavilla); ibid., Imereti region, Vartsikhe, Ajameti Managed Reserve, 3.2
Raab-Straube, Eckhard von, Raus, Thomas
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Sida rhombifolia L. – Fig. 6. A Gg: Georgia: Guria region, Ureki–Magnetiti, nameless small street connecting Taqaishvili Street and main lateral street, 41.9957556°N, 41.7632444°E, 5 m, eleven small shrubs, 26 Aug 2022, Novák (BRNU photo [Fig. 6] + herbarium specimen revised by G. Tavilla); ibid., Imereti region, Vartsikhe, Ajameti Managed Reserve, 3.2
Raab-Straube, Eckhard von, Raus, Thomas
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Sida acuta Burm.f & spinyhead sida
2012Sida acuta, Sida rhombifolia and Sida cordifolia are invasive weeds in northern Australian rangelands. Surveys for biocontrol agents of S. acuta and S. rhombifolia were conducted in Mexico from 1984. Sixty-two species of phytophagous arthropods were found and 12 were considered to have potential as biocontrol agents.
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