Kannaiyan, J

Nene, Y L

Reddy, M V

ICRISAT Open Access Repository

IDENTIFICATION A N D  UTIL IZAT ION O F  M U L T I P L E  DISEASE RESISTANCE I N  PIGEONPEA M . V .  Rtouu. Y.L. N t h ~ .  +\!I J K A ~ ~ A I Y A ~  Inlnoalional Crop Rrvsich la~l i lv lc  for lhr Sani.And Troptc~ t ICRISAT) Plmchcru, ~ n d b r s  Prad& Pigeonpea, chickpea, lcntl l, green gram and black gram con. sli lutc !he major pulrc crops o f  India I n  recent !ears, d stapna. l l on  In the production of  there pulrc crops coupled witti incrcaicd demand hiir caused wncern anioagi l  crient~sts, adrnlniirrari ir i, and thc general puhlic Serious atlemptr are heing mdde a! all leicir l o  Impro\.c the \!tuatlon. The low yields in lhcrc crops arc rnaini! atlrlhutcd to the non.availabil~ty ofcul l ivars wi lh h ~ g h  )ield potentrill, surccpt~hli!) to pert,, and failure to adopt rccomii~endcd inputs. Direares are alsn an important factor w n t r i b u t ~ n g  to  the lack o t  stabilit) o f  the ) lc ld o f  CU~II. vars and thcrc 15 no douht that d:sei,e rc<iit:lnt cul t i \ar< <hould increart lbc s labi l~ty.  Since the establirhmcnt of tiie Ill India Coordin3tcd Pulsc I m p r o v e  men! Projcc~ In 1065, cfforts have becn underua) t o  idcntify sources o f  rerlslaocc to  the major diseares and sevrrrl rourccr o f  rcslrlancc have been idcn!ified The succcsr II cdr. el' plgennped In Ihe ~dcntr f icr t ion and u t i l i u t i oo  o f  rcr is tana source< l$.lin,t !he ,hrce major diiea,cs, v i z ,  wil l, stcrllit) mosaic, and Phj lophlhora h l~gh t .  opcn? up opt~rnr,tic p rop  p e l s  for othcr crops Plgeonpsa I, one o f  Ihe mandate c ropso t lCR lSAT Slncc 1975 systematic c fo r t i  have b c e ~ ~  made lo  ~ d c n t ~ f k  sources o f  res i r  lance againct thc malor di(cdifs Thc reiullb obta~neb $0 h r  are hrieRy summariscd. Wilt Re\istancc A total of 2,302 p rmp lasn i  acccwons uerc rcrceocd following the sick plot techn~quc [Ncne et a1 IYXPI dnd 31 rciistant 1111cs wcre idenli- ficd These werclCP.1641. 3753, 37C. 4709, 5097 ,  6831, 7118, 7120, 7182, 7198, 7201, 7271, 7336, 7Rb7, XKI.9, kX19. !8hO, 8861, 8862, 8863, U h l ,  8865, $867, 8868, 8869. Purplc.1 s r l .  B inda Palcra scl. .4WR.74;15 sel . Bori.1 scl.. crosc no. 74342, and 74363. O f  these 14 wcre found resistant at more than one location Fol low~ng tbe ' lcabstapl~ng' and 'infector roa '  lcchniqucs (Ncae and Rcddy, lu'ca, IY76bi a total 01' 7,iSr gcrmplasm acccsilonc were screened aod 66 rn is lant  lines were idrntif icd These wcre ICP-2376 3782, 3783. 4344.4725. 6630. 6986. b997. 7035. 7119, 7 188, 7201, 72%: 7282 7349 7403 7428 7480 7867, 7869, 7871 7873 7878 7898 7904 7 ~ 6 :  7994.'7997. 8004, i ~ 6 ,  8bs1, 8077. 81 13, 8'120. b136, '8145,' 8466: 8501, 8825, 8850, 8852, 8853, 8856, 8851, 8861, IM 2381 2384 2388 2389, 2392, 2396, 2412, 1418, 2448, 2456, 2481, 2483, 2 6 6 ,  74;6, PI.' 84 M . V .  R F D D Y ,  Y.L. NENF A N D  I. K A N N A I I ' A N  391530, 394259, 394571, 395043, 395878, 396211, and 397771 In addlt~cin 433 gerrnpldrrn accerclons were purllied through 51ngle plant selecr~on\ I-1fty.four Itnv w~tli conrt,tently m ~ l d  rno\alc or rlnpspot reactlvn acre  also tdenlrhcd. So far 15 of these 11nes have been found rcslstant a t  more thdn one I O C ~ I I O ~ ~  Pbytophtbora Bligbt Resistance Following a pot technique (Nenc er 01. 1980~. 3,419 gcrrnplarm accessions wcre screened and I22 werc identified as res~stant. Thew R e r e  ICP-28, 113, 2.71, 33'4, 580. 752, 913, 934, IONK, 1130. 1120. 1123, 1140. 1150, 1151, 1258. 1321. 1529, 1535, 1586, 17b8, 1950. 2153, 2376, 2 5 0 5 ,  2673, 2682, 271Y, 2736, 2974, 3W8, 3259, 3367, 3711, 3753, 3840. 3861, 3867, 38611, 3891, 3899, 3937, 3045, 4135, 4111, 4168, 4699. 4752, 4765, 4866, 48h2, 5450, 56.26, 5860, 6Y65, 6952, 6953, 6956, 6974, 7057, 7065, 7151, 7187. 7185, 7200, 7232, 726'9, 7273, 7414, 7533, 7624, 7657. 7701, 7754, 7795. 7798, 7810, 7837. 7910. 8087, XIDI, 8103, 8\04,  8110. 8117, 8122, 8124, 8127, 8131, 8132, 8139, 8141, 8144, 8147, 8149, 8151, 8214, 8236, X?4X, 825X, 8282, 8287, 8289, 8328, 8332, 8466, 8557, 8558, 8559, 8560, 8562, 8564, 8568, 8579, P603, 8610, 8619, 8675, 8688, 8692, 8700, i~nd  8701. Mult~location testing of these lines i s  in progress. Wilt and Strrility Mosaic Resistance By lestlng the sterll~ty mosaic resistant I~ne\  for rerlatance to wilt and vier, 1'er.w and by screentng in  the multlplc d~reirsc nursery. t w e l ~ e  lines resistant to both r t e r ~ l ~ t >  lnosaic and H I I I  Here ~denr~t ied.  These were ICP.3782, 476'9, 5097, 6831, 7201, 7273. 7336, 7867, XX61, 8862, 8867, and 8869. In adcl~tion, three wilt re5ictant 11r.e~ (ICP 8858, 885'). and 8860) were found tolerant ( m ~ l d  rnosatc or ringspot symptoms) 10 sterility mosaic. Wilt and Pbytopbtbora Bligbt Resistancr Three lines: ICP.3753, 7182, and 7273 werc found resistant to wilt and Phytophthora bl~ght. Sterility %losaic and Pbytopbthorr Blight Resistance Se\enteen lines were resistant to steril~ty rnosatc and Phytophthora blight. These were 1CP.934, 4765, 4866,  5656, 6974. 7182. 7185, 7232, 7269, 7273. 7414, SIOI. 8127, 81.72, X13'9, 1117, and 8151, Wilt, Sterility hlosnic and Pbytopbtbora Blight Resistance One line, 1CP-7273, wab res~stant o all the three diseases. Breeding for Resistance Many of the resictant liner are being used In ICRISAT breading programn~e lo tncorporale reststance In cult,-bdrs w ~ t h  good agronomic backgrou~ld In collahordt~on a ~ t h   be breeders, so far a total o f  16.147 rnatciials in various generations involving the parcntr resistant to  one or more diseases were screened and promis~ng materials are being advanced. Few progenies 'lines with good y ~ e l d  potential are identified. Mmltilocation Teqtinp. The lines found resistant a t  ICRISAT are belog tesled In ditease endemic areas to identify the lines with broader resistance and o b t a ~ n  inlbrmation on the variation of the pathogenr References I .  Nenc, Y.L . and Reddy. M V . A new technique to screen pigeonpea for resistance to slerrl~ty mosalc, Trop Grain Le-wsum~ Bull. 5 ,  23  (1976 a). 2. Nene! Y L ,  and Reddy, M . V . .  Screening for resi5tance to sterll~ty mosaic of prgconpea, Plrtnr Dl.7 Hiprr  60 ,  1034-1036 (1976 b). 3. Nene, Y.L., Kannaiyan, J. ,  Hauare .  M P.. and Heddy. M . V . ,  Review of the work done at ICRIS4T on soil. borne diseases of pigeonpea and chickpea. Procredlngs crf thc Consultants Group Discussion on the Resistantc to Soil bornc Diseases of Legumes, 8.1 I January 1979, ICRISAT, Hyderabad, India: 3-47 (1980). 

Identification And Utilization Of Multiple Disease Resistance In Pigeonpea

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