l'a rat If thli va nhanh chong: chi din den F3 Ia co (hrQ'cdong thulln a~ nhan lieF cac the h~ lieF theo.
T~o giong Ilia m&i do Iai cac dong ogt bien cua ll1i?I giong con rat it trong tai Ii~u tham khao cua the gi6oi vIa mr6oc ta.
* KET LU!N :
Ciong Ilia 8A (IR 2070 -199 - 3 - 6 - 6) v6oi cong th{rc Iai :IR202 / O.N/ /CR94-13 ail aU"Q'cBi?Nong nghi~p cong nh~nkhu V1!C IR202 / O.N/ /CR94-13 ail aU"Q'cBi?Nong nghi~p cong nh~nkhu V1!C boa flam 1980, co tinh khang moi tIU"o-ngcao va cO tinh khang
ugang nhieu Io~i sau h~nh, nhU"ng co bOng nh~, hQt uhi) va tho-i gian sinh tIU"cmgdai oil aU"Q'cnghien cuudi truyen chi?n giong
~A b,"
uqt leu.
Ket qua nghien cuu rho pbep kel Iu~n sau :
1. Xii-If boa chat sieu a(}tbien NMU den mam,h~t Ilia aathu amrc 10 dong a(}t bien gom 3 nhom : S6omhem 3 luau, 2'" ' thu amrc 10 dong a(}t bien gom 3 nhom : S6omhem 3 luau, 2'" '
1 '" ;t"" h' Mx' d' ~A b," h' , d d" luau va luau so nOl c U"ng. 01 ong u<;>t leu c III 80'm 0 1 truyen uO"n gen tr(}i. Cac gen chin s6om nhom I : Sh2, S11, Sh,
SIlO va SIes la (tOng aIen, cae gen chin s6om nhom II va III uU"Q'c kf hi~uSIho, SII4, SIII6 , SIlls va SlIlzo.
2. Chieu cao cay, duh chin SO-ill,h(}'i:to, bong dai vo'i h(}1 nhieu Ia nhii-ng 1inh tr~ng dii:ruyen aQc I~p.
3. Caedong agt bien chin s6omco h(}tnho khi Iai vo-icae a(}t
bien co h(}t to nhat : H22, Hi oil nang cao aU"Q'ctr<;>ngIU"Q'ngh(}t va tang kha Rang nang suat.
4. Cen a(}t bien chin s6omcua m&i nhom ctU"Q'cdi truyen a(}c I~p 0-h~u the, do 00 khi lai vo-i cae a(}t bien khac nhom co bong to, hgt nhieu, ail nh~n aU"Q'ethem cae Q~Cai~m m6oi 00 0- con lai, cae giong, dong m6oico Hang suat cao t~o QU"Q'cA20, 26A,
28A, A32 d:~ungln ngay hO'n gi5ng lUa 8A do lac dQng gen d~t
bien chIn s6om cua mal nhom.
5. BQt bien chin s6omE6 v6oigen SIII6 co bong to, hQt nhiel1,
di ket hq-p ihrq-c o~c di~m hi nho. than thap va cll-ng cay If giong
g~c' 8A, khi lai oil t{lOnen gion~'lUa A8 mo-ing~n ~gay co tiem
v v '"
Dang Dang suat cao.
6. Xii- dlfng 2 oQt bien cha m~ binh thlro-ng (H22 va Es ), khi
lai oil nh~n Guqc giong m6o( 24A va 26A vo-i o~c .oi~m hinh
thai vuqt trQi hO'n 2 GQtbien kho-i G~u.
7. Tu tt hqp lai ban o~u IR202/O.N1/CR94,..13 co G~mtinh d{li vo-i tfnhkhang mOl trno-ng va san b~nh cao, cae giong tinh d{li vo-i tfnhkhang mOl trno-ng va san b~nh cao, cae giong Ilia lai oQt bien m6oi con gifr (1~you tinh khang 00.
8. Khtng Ginh ve mQtphuO'ng;phap t{logiong hia roo-ihi~uqua~ BQt bien gen va lai cae oQt bien clIng giong. qua~ BQt bien gen va lai cae oQt bien clIng giong.
B. PHUaNG 'HUaNG GIll QuytT VAN D~ TItp TVC:
Trong tho-i glaD t{yi, neu oieu ki~n cho phep oelii se .'"
llep tlfc.
1. Vi day la bu-o-c o~u cua vi~c nghien cuu roQt phtr6"ng phap ro&i ve lai oQt bien trong mQt giong va chi lai oO'n, Den chung toi se lai kep,6 va -8 nMim lam' sang to hi~u qu:a lai t~ng hq-p nhieu oQt hieD thlch hqp nghien cuu them. (adsbygoogle = window.adsbygoogle || []).push({});
2. T{lo them cac giong lua mo'i.
3. Tiep t\Ic khao nghi~m cae giong lUa mo-i co tri~n V(,>ng ireD dia h~mtinh va cae no-i khac Yo-idi~n rQng ho-n. - 24
. 4 , . . .-
C. DANH MVC CAC CONG TRINH CUA TAC CIA itA
CONGno THEO aE TAl LU4.N AN :
" 4'
1. TRAN MINH NAM-. LE NGQC QUI. :
Cac giong Ilia GQt bien A20, A8, 22A bao cao khoa IH)c~~li hQiot"
Kh h k? 'I ,4, I ,4,
B4 4
1'4
('1,.?4 b ." . )
\long oa 9cy 11U~:': QHong ng ll~p leu an Hong .:I9l
Nha Trang ngay 22-11-1989.
" .' '. ?,
2. TRAN MINH NAM-- LE NGQCQUI- KIEV NGQC AN--
MAL THJ Tl1YET - L~ TH~CH TRINH:
Nghien cuu 10 dOng Ilia GQtbien boa h9c tlr giong Ilia 8A. HQi ugh! khoa h9C khoa Sinh - Tlu-o-ng B~i b?c ttng h<;rp TP. H~ Chi Minh thang 4-1985.
3. L~ NGQC Qui -- NGUYEN THo! BlJP HU'O'NG - TRAN
MINH NAM :
C' .,., 1, ;!-4 b,'" ,'I ? "',? ,?
h n" N . 'f
ac glOng ua W?t leu om)'c san xua.: (f un Dong aI - ~p
chi KHKT-UBKHKT -dnh Bong Nai, quI IV 1989.
4. L~ NGQC Qui - TRAN MIN1I NAM :
Cac giong Ilia dQt bien h~t da.i cltr<;rGslm xuat 0. tinll Btng Nai T!;lp chi KHKT-UBKHKT ttnh Bong Nai, qui I 1990.
5. TRANMINHNAM- L~ NGQCQui:
Lai uQtbien cung giong t!;logiong Ilia mo'i. HQiTIghtkhoa h9C
tnro-ng BHTH Ian thu 5. Thang 10-1990.
6. TRAN MINH NAM - L~ NGQC Qui: (adsbygoogle = window.adsbygoogle || []).push({});
Crossing early maturing mutants of rice varieties 8A, Mutation Breeding Newsleti:er - 1991 (dang in),
7. WF d~ng khoa h9c ky thu~t - BQ Hong nghi~p dii cho phep khu
V1!Choa giong Ilia A8, 22A va khllO nghi~m giong lUa A20(1989)
8. Cae giong Ilia: A20, -A8, 24A v'a 28A dii au-a V?lOh~ thong thi nghi~m quoc gia : Trung tam kh11Oki~m nghi~m giong cay
tr~ng trung u-O'ng (nam 1990).
~' ' .. -_. . ' ~ Dr',: . _:C; Hqr:< ! .1"'" .'. irj!il " Jj\ j ! .. ,'".'..,...",.". n J 25