Please use this identifier to cite or link to this item: https://repository.unej.ac.id/xmlui/handle/123456789/23875
Title: S T ABIL I T AS H ASIL P AD A G E NER ASI S E G REG ASI F 5 , F B E B E RA P A G E NOT I P E K E DEL AI
Authors: F at h u r r ah m an , S P
Keywords: H ASIL P AD A G E NER ASI S E G REG ASI F 5 , F B E B E RA P A G E NOT I P E K E DEL AI
Issue Date: 25-Jan-2014
Series/Report no.: 091520101002;
Abstract: The e f for ts to incr e a se th e pr oduc ti on a nd p roduc t ivi t y o f so y be a n that c a n be a c hiev e d throu g h the use of im pr ov ing se e d qua li t y a nd incr e a s in g plant populations. B r e e din g a c ti vit ies c losel y a ssocia ted with plant se l e c ti on. On e of the purpo se of the se lec ti on wa s he ld to obtain stea dy p roduc ti vit y va ri e ti e s. S tabili t y test re sult s i s one metho d to test stra ins o f plant s, e spec i a ll y so y b e a n str a in that will be r e lea s e d int o a r e c omm e nde d va ri e t y . The e x pe rimen t wa s c onduc ted a t the e x pe rimen tal fie ld of the F a c ult y o f Agr iculture , The Univ e rsit y of Au g ust 17, 1945 B a n y uwa n g i , Ke ba len an , B a n y uw a n g i dist ric t , with a ± 43 mete rs a lt it ude a bove the se a l e ve l . Thi s stud y wa s con duc te d fr om F e br ua r y to J une 2012 . The m a ter ials that used i n th is stud y we r e : 9 kinds of ge not y p e s that Une j 1 , Une j 2, P oli je 1 , P oli je 2, P oli je 3, P oli je 4, Ma laba r , W il is a nd Ge pa k Kuning , P honska c ompound fe rtili z e r , pe sti c ides De c is 25 EC , Mar shall 200 C , lea f fe rtili z e r He rba fa rm , C o locr on a nd F ur a da n 3G . W hil e the tool s used on thi s re se a rc h a re me a surin g c ups, sc a les a na l y ti c , bu re tt e , dr ip , sc iss or s , spr ay tanks , buc ke ts, a nd sc iss or s c utt ing s . The e x pe rimen ts w e re c onduc ted to d e ter mi ne the stabil it y o f so y be a n y i e lds in th e g e n e ra ti on F 5 , F 6 a nd F of th e nine ge not y pe s w e r e teste d , na mel y Une j 1 , Une j 2 , poli je 1, P oli je 2 , P oli je 3, a nd P oli je 4 a s ge not y p e pr o mi sing li ne s a nd thre e str a ins c o mpar ison, na mel y Mala b a r , W il is a nd Ge pa k Kun ing . 7 This stud y used a ra n domi z e d c ompl e te bloc k de sig n (RCB D ) e a c h g e n e ra ti on , followe d b y a n a n a l y sis o f homo g e n e it y t e sti ng a nd stabil it y testin g a c c or din g to Ebe rh a rt a n d R ussell , invol ving nine so y be a n ge not y pe s wit h thre e re pli c a ti ons in the g e ne r a ti on F 5 , F 6 a nd F I f ther e is a sig nific a ntl y d iff e re n t re sult made S c ott Knott t e st at 5% leve l W e used t he homog e nit y a na l y sis : 1. C hi squar e test for homog e nit y r a n g e of e rr or , with B a rtlett ' s test , 2. Va lue of c hi squar e d test , 3. F test , s ig nific a nt diff e re n c e t e st a nd the int e ra c ti on e ff e c t of g ( g x s), 4. C ombine d analysis , a nd 5. S tabili t y Te st . T he r e sult s showe d th a t the stabil it y o f the re sult s of e a c h g e not y pe wa s influe nc e d b y g e n e ti c a n d e nviron menta l fa c tors a nd plant he ig ht. Th e number of pods se e d number , we i g ht pe r 100 se e ds, a nd se e d we i g ht. I t c a n be used a s se lec ti on c rite ria for so y b e a n y ield im pr ov e me nt pr ogra m. G e not y pe s teste d, turne d out to Une j 1, P oli je ge not y pe s 1, 2 a nd P oli je 3, showin g stabil it y in two pa ra mete rs on the obser va ti ons, whe r e a s the other g e not y pe s onl y on th e pa ra mete rs of obse rva ti o n onl y . I t c a n be c onc lud e d that Une j 1, P oli je g e not y pe s 1, P oli je 2 a nd P oli je 3 we re the sup e rior g e not y pe s. I t c a n be re c omm e n de d to be de ve loped a nd pr odu c e d in lar g e qua nti ti e s i n the c omm unit y . The other g e not y p e s, onl y h a d a f e w stable pa ra mete rs, s o it ne e d ed fu rthe r testin g to be stable a t som e loca ti ons a nd a t di ff e r e nt t im e s.
URI: http://repository.unej.ac.id/handle/123456789/23875
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