Resultados de búsqueda - "Calcutta"

Resistance of F1 segregating populations derived from crosses between wild banana accessions Musa acuminata spp. burmannicoides Calcutta 4 and M. balbisiana Montpellier to black leaf streak disease por Vroh Bi, Irie, Zandjanakou-Tachin, Martine, Mbah, W., Tenkouano, A., Ojiambo, P., Bandyopadhyay, Ranajit

“…A Nigerian isolate of M. fijiensis was used to assess the resistance of segregating populations of selfed Musa acuminata ssp. burmannicoides (‘Calcutta 4’) and also M. acuminata spp. burmannicoides ‘Calcutta 4’ × M. balbisiana ‘Montpellier’. …”
Enlace del recurso

Inheritance of pseudostem waxiness in banana and plantain (Musa spp.) por Ortíz, R., Vuylsteke, D.R., Ogburia, N.M.

“…Tetraploid, triploid, and diploid individuals were recovered from the triploid x diploid crosses, in which one of the diploids was the wild banana Calcutta 4. Calcutta 4 bred true for pseudostem waxiness. …”
Enlace del recurso

Development and performance of tetraploid hybrids of plantain (Musa spp., AAB group) with black sigatoka resistance por Vuylsteke, D.R., Swennen, Rony L.

“…Conversely, the black sigatoka resistance of 'Calcutta 4' was readily inherited in the tetraploid off-spring. …”
Enlace del recurso

Development and performance of balck sigatoka-resistant tetraploid hybrids of plantain (Musa spp., AAB group) por Vuylsteke, D.R., Swennen, R.L., Ortiz, R.

“…Conversely, the 4x progeny of plantain readily expressed black sigatoka resistance when crossed with ‘Calcutta 4’. Progenies of the triploid plantain cvs. …”
Enlace del recurso

Status of pollinators and pollination services in the Eastern Indian agricultural landscape (Webinar session 3) por Basu, Parthiba

“…Parthiba Basu has a Ph.D. in Ecology and is a Professor at the Department of Zoology, University of Calcutta. He heads the Centre for Agroecology and Pollination Studies founded in 2012 at University of Calcutta. …”
Enlace del recurso

Breeding black sigatoka resistant plantains with a wild banana. por Swennen, R., Vuylsteke, D.

“…The wild diploid ‘Calcutta 4’ can thus be in a plantain breeding programme.…”
Enlace del recurso

Influence of genotype and developmental stage on plant dry matter distribution and shootroot ratio in banana and plantain por Blomme, Guy, Teugels, K., Swennen, Rony L., Tenkouano, A.

“…The 'Calcutta 4' plants were in vitro-derived, while the 'Mbi Egome' plants were sucker-derived. …”
Enlace del recurso

Sources of resistance to Pseudocercospora fijiensis, the cause of black Sigatoka in banana por Kimunye, J., Were, E., Swennen, Rony L., Viljoen, Altus, Mahuku, George S.

“…Most banana and plantain hybrids with resistance to P. fijiensis were developed using few sources of resistance, which include Calcutta 4 and Pisang Lilin. To broaden the pool of resistance sources to P. fijiensis, 95 banana accessions were evaluated under field conditions in Sendusu, Uganda. …”
Enlace del recurso

Analysis of genetic diversity and relationships in East African banana germplasm por Pillay, M., Ogundiwin, E., Nwakanma, D., Ude, G., Tenkouano, A.

“…The genetic diversity and phylogenetic relationships of 29 East African highland banana (Musa spp.) cultivars and two outgroup taxa, M. acuminata Calcutta 4 and Agbagba were surveyed by RAPD analysis. …”
Enlace del recurso

VNTRbased diversity analysis of 2x and 4x fullsib Musa hybrids por Crouch, J., Crouch, H., Tenkouano, A., Ortíz, R.

“…The triploid plantain landrace Obino l Ewai (Musa spp., AAB genome) has been crossed with a wild diploid banana (M. acuminata subsp. burmannica var. Calcutta 4 , AA genome) to generate full-sib diploid and tetraploid hybrids combining good agronomic performance and disease resistance. …”
Enlace del recurso

Effect of ploidy on stomatal and other quantitative traits in plantain and banana hybrids por Vandenhout, H., Ortíz, R., Vuylsteke, D.R., Swennen, Rony L., Bai, K.

“…Ploidy had an important effect on fruit traits and plant height in the hybrids of 'Obino l' Ewai' x 'Calcutta 4', but this was not so clear in 'Bobby Tannap' x 'Calcutta 4' hybrids. …”
Enlace del recurso

Male fertility and zygotic embryo germination in bananas por Luyiga, J.

“…The genotypes less affected in terms of pollen viability were Calcutta 4, cv Rose, Kokopo, Opp Zebrina, SH 3362 and TMB2x 7197-2. …”
Enlace del recurso

Seasonal variation of apparent male fertility and 2n pollen production in plantain and banana por Ortíz, R., Ulburghs, F., Okoro, J.

“…However, a seasonal variation in pollen stainability was observed in all clones except `Calcutta 4'. Solar radiation was positively associated (P < 0.05) with pollen stainability. …”
Enlace del recurso

Musa germplasm A and B genomic composition differentially affects their susceptibility to banana bunchy top virus and its aphid vector, Pentalonia nigronervosa por Ngatat, S., Hanna, R., Lienou, J., Ghogomu, R., Nguidang, S.P.K., Enoh, A.C., Ndemba, B., Korie, S., Fotso Kuate, A., Nanga, S.N., Fiaboe, K., Kumar, P. Lava

“…In the screenhouse, the AA diploid Calcutta 4 had the lowest apterous aphid density per plant (9.7 ± 4.6) compared with AAB triploid Waema, which had the highest aphid densities (395.6 ± 20.8). …”
Enlace del recurso

Seed set patterns in east African highland cooking bananas show asymmetric distribution in bunches and fruits por Waniale, A., Swennen, Rony L., Mukasa, S., Tugume, Arthur K., Kubiriba, Jerome, Tushemereirwe, Wilberforce K., Batte, M., Brown, A., Tumuhimbise, Robooni

“…In comparison, in the highly female fertile “Calcutta 4”, seed set is along the entire length of the fruit. …”
Enlace del recurso

Genetic analysis of resistance to Radopholus similis in Banana por Habineza, J.C.

“…The study was conducted in IITA-Uganda in 2017 and 2018 using a multi parent population produced from crosses between two types of Zebrina GF (susceptible) and Calcutta 4 (resistant) with the two Zebrina GF used as male and Calcutta 4 as female. …”
Enlace del recurso

Preliminary evaluation of secondary Musa polyploids at IITA breeding station por Ortíz, R., Vuylsteke, D.R.

“…The highest yielding secondary triploid was obtained by crossing IITA's primary tetraploid plantain 'TMPx 4479-1' ('Bobby Tannap' x 'Calcutta 4') with the improved diploid banana 'SH-3362' from the Fundación Hondureña de Investigación Agrícola (FHIA). …”
Enlace del recurso

Segregation of bunch orientation in plantain and banana hybrids por Ortíz, R., Vuylsteke, D.R.

“…The true breeding diploid banana line, 'Calcutta 4' shows a pendulous bunch and has recessive alleles at three bunch orientation loci. …”
Enlace del recurso

Application of pollen germination media on stigmas during pollination increases seed set in east African highland cooking bananas (Musa spp.) por Waniale, A., Swennen, Rony L., Mukasa, S., Tugume, Arthur K., Kubiriba, Jerome, Tushemereirwe, Wilberforce K., Amah, D., Tumuhimbise, Robooni

“…Five EAHB cultivars were pollinated with pollen from the wild banana ‘Calcutta 4’. Glucose-based PGM sprayed on freshly emerged stigmas significantly increased seed set per 100 fruits per bunch. …”
Enlace del recurso

Ploidy variation in hybrids from interploid 3x X 2x crosses in Musa por Osuji, J.O., Vuylsteke, D.R., Ortíz, R.

“…‘Ntanga 2' and ‘Bobby Tannap' with diploid banana (Musa acuminata subsp. burmannicoides) ‘Calcutta 4'. Cross-pollinated bunches were harvested at full maturity and ripened with acetylene in a room for 4 days. …”
Enlace del recurso