000259908 001__ 259908
000259908 005__ 20180123011031.0
000259908 037__ $$a1936-2017-2204
000259908 041__ $$aeng
000259908 260__ $$c1989
000259908 269__ $$a1989-07-01
000259908 300__ $$a12
000259908 336__ $$aConference Paper/ Presentation
000259908 520__ $$aFour tropical soyabean cultivars (TGX 849-294, TGX 536-02, TGX 539-5E and TGX 306-036) from the International Institute of Tropical Agriculture were evaluated in a series of field trials on the University Field Station and cooperative farmer plots. In the planting date study the cultivars gave seed yields ranging from 1,800 to 3,800 kg/ha but exhibited slight response to photoperiod. They flowered in 40 to 70 days and matured in 97 to 138 days after planting with plant heights at harvest ranging from 50 to 90 cm. In the soyabeari/cassava intercrop study, sole crop yield of TGX 849-294 averaged 2,878 kg/ha as against 1,170 kg/ha in the intercrop. The cassava yield of 23,000 kg/ha compensated for the lower soyabean yield in the intercrop. In all trials the four cultivars were confirmed as promiscuous nodulators and generally performed better than the American cultivar, Jupiter. The tropical cultivars did not succumb to any serious pest or disease problem, showed excellent shatter resistance, rapid leaf senescence at maturity and improved seed viability. Cultivar TGX849-294 which matured theearliest and produced the best yields of excellent quality yellow seeds with protein contents of 40 % and oil content of 20 % was identified as the cultivar best suited for cultivation under local conditions. ----- Des cultivars de Soja (TGX 849-249 ; TGX 536-02 ; TGX 539-5E et TGX 306-036) en provenance de l'Institut International d'Agriculture Tropicale sont évalués dans une série d'essais à la station expérimentale de l'Université et chez l'agriculteur. L'étude dates de plantation montre que les cultivars ont donné des rendements allant de 1 800 à 3 800 kg/ha mais présentent une certaine sensibilité à la photopériode. Ils fleurissent après 40-70 jours et mûrissent après 97-138 jours avec des tailles de 50 à 90 cm. Dans l'association soja/manioc, le cultivar TGX 849-294 donne 1 170 Kg/ha contre 2 878 Kg/ha en monoculture. Le rendement en manioc de 23 000 Kg/ha compense le faible rendement en soja. Dans tous les essais les quatres cultivars présentent une nodulation hétérogène mais se révèlent être plus performants que le cultivar américain, Jupiter. Ils n'ont succombé à aucun ravageur revieux ni à aucun problème de maladieet présentent une rapide sénescence foliaire à la maturité et une viabilité accrue des graines.Le cultivar TGX 849-294 qui est le plus précoce et le plus productif en graines jaunes d'excellente qualité, avec des teneurs en protéines de 40 % et en huile de 20 % a été identifié comme le cultivar le mieux adapté aux conditions locales.
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000259908 546__ $$aEnglish
000259908 650__ $$aCrop Production/Industries
000259908 650__ $$aResearch and Development/Tech Change/Emerging Technologies
000259908 6531_ $$asoyabean cultivars
000259908 6531_ $$aseed yield
000259908 6531_ $$acassava
000259908 700__ $$aBrathwaite, Richard A.I.
000259908 700__ $$aMoonoo, Mukesh
000259908 8560_ $$fsnyde350@umn.edu
000259908 8564_ $$s1442510$$uhttp://ageconsearch.umn.edu/record/259908/files/25_17.pdf
000259908 909CO $$ooai:ageconsearch.umn.edu:259908$$pGLOBAL_SET
000259908 980__ $$a1936