SO:ME PHYSIOLOGICAL STUDIES ON DATE PALM
Zeina b A min Mohamed Abou-Rekab;
Abstract
Th is i nvestiga t i on was ca rried out in the cent ra l laborato ry fo r Development of Da te pa lm Research a t Agric ul t ure Research centre, the central la boratory of soil Department. Fac u l rof Agricult u re. Cairo university. Fayou m Branch a nd the pla n t tissue cu l lllre labor:uor;.. genetic dqx1rrme nt, A i n sha ms u ni ve rsitG i za through the
pe riod 1999 to 2003. The present wo rk was d ivided in to t hree pa r ts. The fi rst part a imed to survea nd select the h igh frui t qua li ty of u n k n own seed li ng trees of date pa lm. grow n
i n Fayoum Gove rn orate. mor phol ogica l charac ters of pa lms. ti•u i t physica l a nd chemical properties 11-:re sru..iied the nu1.1erical e\aluation of se l ected palms sho11ed t ha t date pa l m seedlings ZT. ZF1 . ZE 1 and ZE2 (li•es h ). ZE-l and ZEs (semi- drsec:d l i ngs) were the best six seed l i ngs i n invest igati on. On the ot her hand dare pa l m s •edl ing ZT2 was t he su perior com pa ring ' 'ith the fresh date pa lm seedling underi n vestia ti o n a nd Zaghl oul cu l ti va r. as well ZEseed l in gs• was t he su peri or co m pa ring wit h semi - d ry seedl i ngs
a nd See11;. cultin1r. Therefore-. dare pa lm seedl ing ZT2 a n d ZF. 1 11ere cons ide red as• an ini tia l of a fresh anJ sem i - dr:- date cult i vars u nder Fa) oum GO\ernorate. l-lo11•e,•ei•. t he
second part \\'aS t0 m icropropagate t he select d seedl i ngs through t i ssue cultu re tec h n i q ue. l"<':sul ts ind i ca ted th a t ZE 3 a nd ZE ; seedl i ngs ( li•c::.h a nd semi - d ry. respccti,ely) recorded t he h ighest sign i fica nt ,•alues of S\\'elling. • callus ronn:H i on. em br;. o tonna t ion. t:mbr;. o ge rm inat io n as ,,•ell as n u mber of shoot let s a n d mot s. They had t he l o,,cst s i gnitic:n t va l ue ofbrOI\ n ing percentage. On the other hand. ZE 1 and ZE seel i n gs. ( li•esh and s.:mi -d r;. respec t ive!;) of immaru re inll orc cence. recorded the
h ighest sign ificant 1a lues uf g,,•ell ing.. Call us fo rmati o n, embr;onic callus in d uct i on. em br)O fornnti<111. ,w 1Jr;.o gc rminatioP. m:mber and !..:ngth of slloot lcrs :111J r v:J t s a5 well arout fonna ti•:O ll r•rcent:Jge th e lo\\ eSt s i gnitiC:JIH va lue o r hr)\\ lling perce ntage
\\as recorJed fo r Z F I and ZE-l seedlings ( rresh and semi - dr;. . rcspectil ei)J. The recomme nded ct il turc: n1ecli u n f::>r e1!1us i nclL;ction (:;hoot :ip \pl:mts) w<:s supplemented "i th ::...t-D and 2ip at concemrations I 00 and :J n g I . r specti,•cly. ,,•h ik for immawre intloreo..:cnce cu l ture medium \\3S supp l eme nted''ith 2 .-l - D a t 0.5m g/ l . The recommended cultures medium tor em bryo tonnation (lor both shoot t ip and immature intloresccnce expl ams) were su pplem ented with 0.1 and lmg11 NAA, respect i ,el;.. The r::comn1<.:nd cl :ul tu res 111edium for embr;. o ger minat ion were supple mented ''ith I mg. I 1'\ :\:\ (fo r bot h shout t ip and imma t u re i ntluri mmature innor.::sc..:n..:expl ants. Th e de nd rogra m tree based on RA PD ge ne tic m arkers
was indicated that t he stro ngest rel mion sh i p was scord between seed ling ZEand ZE 6. wh i l e ZE; sewh ich means that genetic changes ha ve been detected between m ot her otTsh oots and thei r d ri1•ed in vitro pl a nt lets.
pe riod 1999 to 2003. The present wo rk was d ivided in to t hree pa r ts. The fi rst part a imed to survea nd select the h igh frui t qua li ty of u n k n own seed li ng trees of date pa lm. grow n
i n Fayoum Gove rn orate. mor phol ogica l charac ters of pa lms. ti•u i t physica l a nd chemical properties 11-:re sru..iied the nu1.1erical e\aluation of se l ected palms sho11ed t ha t date pa l m seedlings ZT. ZF1 . ZE 1 and ZE2 (li•es h ). ZE-l and ZEs (semi- drsec:d l i ngs) were the best six seed l i ngs i n invest igati on. On the ot her hand dare pa l m s •edl ing ZT2 was t he su perior com pa ring ' 'ith the fresh date pa lm seedling underi n vestia ti o n a nd Zaghl oul cu l ti va r. as well ZEseed l in gs• was t he su peri or co m pa ring wit h semi - d ry seedl i ngs
a nd See11;. cultin1r. Therefore-. dare pa lm seedl ing ZT2 a n d ZF. 1 11ere cons ide red as• an ini tia l of a fresh anJ sem i - dr:- date cult i vars u nder Fa) oum GO\ernorate. l-lo11•e,•ei•. t he
second part \\'aS t0 m icropropagate t he select d seedl i ngs through t i ssue cultu re tec h n i q ue. l"<':sul ts ind i ca ted th a t ZE 3 a nd ZE ; seedl i ngs ( li•c::.h a nd semi - d ry. respccti,ely) recorded t he h ighest sign i fica nt ,•alues of S\\'elling. • callus ronn:H i on. em br;. o tonna t ion. t:mbr;. o ge rm inat io n as ,,•ell as n u mber of shoot let s a n d mot s. They had t he l o,,cst s i gnitic:n t va l ue ofbrOI\ n ing percentage. On the other hand. ZE 1 and ZE seel i n gs. ( li•esh and s.:mi -d r;. respec t ive!;) of immaru re inll orc cence. recorded the
h ighest sign ificant 1a lues uf g,,•ell ing.. Call us fo rmati o n, embr;onic callus in d uct i on. em br)O fornnti<111. ,w 1Jr;.o gc rminatioP. m:mber and !..:ngth of slloot lcrs :111J r v:J t s a5 well arout fonna ti•:O ll r•rcent:Jge th e lo\\ eSt s i gnitiC:JIH va lue o r hr)\\ lling perce ntage
\\as recorJed fo r Z F I and ZE-l seedlings ( rresh and semi - dr;. . rcspectil ei)J. The recomme nded ct il turc: n1ecli u n f::>r e1!1us i nclL;ction (:;hoot :ip \pl:mts) w<:s supplemented "i th ::...t-D and 2ip at concemrations I 00 and :J n g I . r specti,•cly. ,,•h ik for immawre intloreo..:cnce cu l ture medium \\3S supp l eme nted''ith 2 .-l - D a t 0.5m g/ l . The recommended cultures medium tor em bryo tonnation (lor both shoot t ip and immature intloresccnce expl ams) were su pplem ented with 0.1 and lmg11 NAA, respect i ,el;.. The r::comn1<.:nd cl :ul tu res 111edium for embr;. o ger minat ion were supple mented ''ith I mg. I 1'\ :\:\ (fo r bot h shout t ip and imma t u re i ntluri mmature innor.::sc..:n..:expl ants. Th e de nd rogra m tree based on RA PD ge ne tic m arkers
was indicated that t he stro ngest rel mion sh i p was scord between seed ling ZEand ZE 6. wh i l e ZE; sewh ich means that genetic changes ha ve been detected between m ot her otTsh oots and thei r d ri1•ed in vitro pl a nt lets.
Other data
| Title | SO:ME PHYSIOLOGICAL STUDIES ON DATE PALM | Other Titles | بعض الدراسات الفسيولوجية على نخيل البلح | Authors | Zeina b A min Mohamed Abou-Rekab | Issue Date | 2005 |
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