000257002 001__ 257002
000257002 005__ 20210122080110.0
000257002 0247_ $$2doi$$a10.22004/ag.econ.257002
000257002 037__ $$a1887-2017-818
000257002 041__ $$aeng
000257002 245__ $$aSCREENING SWEETPOTATO GENOTYPES FOR SEMI-DWARF CHARACTERISTICS UNDER CONTROLLED ENVIRONMENT
000257002 260__ $$c1997
000257002 269__ $$a1997-07-06
000257002 300__ $$a6
000257002 336__ $$aConference Paper/ Presentation
000257002 520__ $$aStudies were conducted in an environmental growth chamber to evaluate sixteen sweetpotato genotypes for dwarf characteristics that may be adaptable for advanced life support systems. Plants were grown from vine cuttings (15 cm long) of the selected genotypes and planted in 0.15 χ 0.15 χ 1.2m growth channels using a closed nutrient film technique system. Nutrients were supplied in a modified half strength Hoagland's solution with a 1:2.4 N:K ratio. Plants were grown for 120 days. Upon termination of the study, vine length, yield and biomass data were taken. Results showed significant differences among genotypes for all parameters measured. Storage root yield ranged from 47.25- 531.2g/plant. Generally, genotypes with semi-dwarf morphology showed the highest percentage root dry mass accumulation; however, foliage biomass was lowest for these genotypes. Four genotypes were identified based on height and canopy morphology as possessing semi-dwarf characteristics that will be suitable for advanced life support systems.
000257002 546__ $$aEnglish
000257002 650__ $$aCrop Production/Industries
000257002 650__ $$aProduction Economics
000257002 700__ $$aDavid, P. P.
000257002 700__ $$aBonsi, C. K.
000257002 700__ $$aTrotman, A. A.
000257002 700__ $$aHill, W. A.
000257002 700__ $$aLoretan, P. A.
000257002 8560_ $$fweidm015@umn.edu
000257002 8564_ $$9fe71c711-9b54-4828-96dc-4cf0a5eb5f22$$s466166$$uhttps://ageconsearch.umn.edu/record/257002/files/33-54.pdf
000257002 909CO $$ooai:ageconsearch.umn.edu:257002$$pGLOBAL_SET
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000257002 980__ $$a1887