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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

期刊文章

Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins  [2003]

Shiwachi, H.; Ayankanmi, T.; Asiedu, R.; Onjo, M.;

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A reliable means to induce sprouting in dormant seed tubers of yams (Dioscorea species) is required to enhance flexibility in planting date and rate of propagation of the crop. Experiments were conducted to assess the potential of two gibberellin inhibitors, Uniconazole-P and Prohexadione-calcium, to induce sprouting in tubers from three varieties of D. rotundata and four of D. alata. Uniconazole-P and Prohexadione-calcium shortened the period of dormancy in tubers of some varieties. In others, they either had no effect or extended dormancy. The varietal responses were also influenced by whether the tubers were treated at harvest (before shoot senescence) or four weeks after harvest by which time shoots had senesced fully. Tubers stored in darkness at a constant temperature of 30 °C sprouted earlier but lost weight faster than did those stored under natural daylight and ambient temperature. The apparent slow action of Uniconazole-P and Prohexadione-calcium, and their variable effectiveness in relation to variety, would limit their usefulness in seed or breeding programmes, or in determining treatment timing and the best storage environment for the tubers after treatment.
来自期刊
Experimental agriculture
ISSN : 0014-4797

书目信息

语言:
English
类型:
Journal Article
自何时收录于AGRIS:
2015
卷:
39
期:
2
起始页:
209
结束页:
217
出版者:
Cambridge University Press
所有题名:
"Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins"@eng
其它:
"Includes references"
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书目信息

语言:
English
类型:
Journal Article
自何时收录于AGRIS:
2015
卷:
39
期:
2
起始页:
209
结束页:
217
出版者:
Cambridge University Press
所有题名:
"Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins"@eng
其它:
"Includes references"