Resultados de búsqueda - "field experiment"

Assessment of water yam (Dioscorea alata L.) landrace varieties for resistance to anthracnose disease por Bakayoko, L., Pokou, D.N., Essis, B.S., Kouakou, A.M., Dibi, K.E.B., Kouassi, A.B., Nzue, B., Koutouan, T.T., Zohouri, P.G., N'guetta, A.S., Agre, A.P., Mondo, J., Adebola, P.O.

“…This study, therefore, aimed at determining the field resistance to C. gloeosporioides of 115 D. alata landrace varieties. Field experiments were conducted at the Research Station for Food Crops (SRCV) of the CNRA, Bouaké City, in Central Côte d'Ivoire, for three growing seasons. …”
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Canopy cover evolution, diurnal patterns and leaf area index relationships in a Mchare and Cavendish banana cultivar under different soil moisture regimes por Stevens, B., Diels, J., Vanuytrecht, E., Brown, A., Bayo, S., Rujweka, A., Richard, E., Ndakidemi, P.A., Swennen, Rony L.

“…Canopy Cover (CC) seems to be a relevant parameter, but so far not used in banana fields. Field experiments were conducted to determine the effect of optimal irrigation (FI) versus rainfed (RF) on CC and Leaf Area Indices (LAI) in two experiments with different cultivars (Mchare ‘Huti Green’ [HG, AA] and Cavendish ‘Grand Naine’[GN, AAA]) (n = 3 for HG, n = 4 for GN) until harvest of cycle 1 (C1), studying C1 and C2 plants. …”
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Scaling banana bacterial wilt management through single diseased stem removal in the Great Lakes Region por Kikulwe, Enoch, Asindu, Marsy, Ocimati, Walter, Ajambo, Susan, Tinzaara, William, Iradukunda, Francois, Blomme, Guy

“…CMU assumed that infection on a single plant would systemically spread to all plants in a mat. However, field experiments showed that Xvm did not spread systemically in a mat and that latent infections occurred. …”
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Evaluation of elite and local African yam bean cultivars for yield and yield-related traits por Baiyeri, S.O., Uguru, M.I., Ogbonna, P.E., Okechukwu, R.

“…The variability in African yam bean (AYB) accessions with respect to yield and other agronomic traits were studied for two cropping seasons (2012 and 2013) in field experiments to evaluate the growth, yield and yield components of 36 AYB accessions. …”
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Genomic regions associated with herbicide tolerance in a worldwide faba bean (Vicia faba L.) collection por Abou-Khater, Lynn, Maalouf, Fouad, Jighly, Abdulqader, Alsamman, Alsamman M., Rubiales, Diego, Rispail, Nicolas, Hu, Jinguo, Ma, Yu, Balech, Rind, Hamwieh, Aladdin, Baum, Michael, Agrawal, Shiv Kumar

“…We phenotyped 140 faba bean genotypes in three open field experiments at two locations in Lebanon and Morocco against three herbicide treatments (T1 metribuzin 250 g ai/ha; T2 imazethapyr 75 g ai/ha; T3 untreated) and one in greenhouse where T1 and T3 were applied. …”
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Maize yield as affected by the interaction of fertilizer nitrogen and phosphorus in the Guinea savanna of Nigeria por Tofa, A., Kamara, A., Babaji, B.A., Aliyu, K.T., Ademulegun, T., Bebeley, J.F.

“…The main objective of the study was to evaluate the interactive effect of N and P fertilizers on maize growth, grain yield, nitrogen uptake and N use efficiency. Field experiments were conducted during the 2015 and 2016 cropping seasons at Iburu in southern Guinea and Zaria in northern Guinea savanna zones of Nigeria. …”
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Genetic sources and loci for Fusarium head blight resistance in bread wheat por Lei Wu, Xinyao He, Yi He, Peng Jiang, Kaijie Xu, Xu Zhang, Singh, Pawan K.

“…A panel of 265 bread wheat accessions from China, CIMMYT-Mexico and other countries was screened for FHB resistance under 5 field experiments in Mexico and China, and a genome-wide association analysis was performed to identify QTLs associated with FHB resistance. …”
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The interaction between drought stress and nodule formation under multiple environments in chickpea por Istanbuli, Tawffiq, Abu Assar, Ahmed, Tawkaz, Sawsan, Kumar, Tapan, Alsamman, Alsamman M., Hamwieh, Aladdin

“…This interaction was assessed by using morphological, yield and yield components. The field experiments were laid out in two locations (Terbol and Kfardan stations, Bekaa valley, Lebanon) using Alpha lattice design with two replications and two watering treatments (irrigation and rainfed) during 2016 and 2017 seasons. …”
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Genetic dissection for head blast resistance in wheat using two mapping populations por Xinyao He, Kabir, Muhammad Rezaul, Roy, Krishna K., Marza, Felix, Chawade, Aakash, Duveiller, Etienne, Saint Pierre, Carolina, Singh, Pawan K.

“…In the current study, two recombinant inbred line (RIL) populations, Alondra/Milan (with 296 RILs) and Caninde#2/Milan-S (with 254 RILs and Milan-S being a susceptible variant of Milan), were used for mapping QTL associated with head blast resistance in field experiments. Phenotyping was conducted in Quirusillas and Okinawa, Bolivia, and in Jashore, Bangladesh, during the 2017–18 and 2018–19 cropping cycles. …”
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Early-stage phenotyping of sweet potato virus disease caused by sweet potato chlorotic stunt virus and sweet potato virus C to support breeding por David, M., Kante, M., Fuentes, S., Eyzaguirre, R., Diaz, F., Boeck, B. de, Mwanga, Robert O.M., Kreuze, Jan F., Grüneberg, W.J.

“…In screenhouse conditions, the resistant and susceptible check clones performed as expected, 63 clones from VZ08 exhibited lower relative absorbance values for SPCSV and SPVC than inoculated check Tanzania. Field experiments confirmed SPVD resistance of several clones selected by relative absorbance values (nine resistant clones in two locations, i.e. 17.3% of the screenhouse selection), supporting the reliability of our method for SPVD-resistance selection. …”
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Parasitism of the whitefly Bemisia tabaci by aphelinid parasitoids on cassava across five agro-ecological zones of Cameroon por Tize, I., Nukenine, E., Fotso Kuate, A., Doumtsop, A.R.P., Nanga, S.N., Ajebesone, F.N., Kulakow, Peter A., Kumar, P. Lava, Fiaboe, K., Hanna, R.

“…Additionally, population dynamics studies were conducted in replicated fields experiments were conducted from 2016 to 2018 to identify cassava genotypes that can best promote B. tabaci parasitism. …”
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The effect of intercropping of maize with pigeonpea on grain yield and pigeonpea fuelwood supply in Kongwa District, Tanzania por Jonas, Elvis Fahamu

“…Knowledge on extent to which alternate cropping arrangements may affect yields of both maize and pigeonpeas and fuelwood production from pigeonpeas is important for maximization of outputs. Field experiments were conducted during the 2015 and 2016 periods in Mlali and Chitego Villages, Kongwa District, Dodoma, Tanzania, to assess the effect of intercropping arrangements on the grain yields of maize and pigeonpeas and pigeonpeas fuelwood supply in semi-arid environments. …”
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Potential of row intercropping of potato and soy bean on incidences and severity of common pests and diseases of potato under the changing climatic environment in Malawi por Dambolachepa, H.B., Phiri, A.T., Mwenye, O., Akinwale, G., Longwe, K., Vlugt, R. van der.

“…The crop pests (insect pests, diseases, nematodes and weeds) interfere with potato growth and failure of crop to grow and produce by destruction of parts or of total crops. Field experiments were carried out aimed at investigating management options for potato for pests and diseases. …”
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Integrated effect of saline water irrigation and phosphorus fertilization practices on wheat (Triticum aestivum) growth, productivity, nutrient content and soil proprieties under d... por Bouras, Hamza, Mamassi, Achraf, Devkota, Krishna, Choukr- Allah, Redouane, Bouazzama, Bassou

“…Previous studies have shown that phosphorus (P) fertilization can mitigate the negative effects of salinity on different crops. Thus, field experiments from the combination of four levels of irrigation water salinity and three P-fertilization rates were conducted during two successive growing seasons (between 2019 and 2021) at the National Institute of Agronomic Research (INRA), Tadla, Morocco. …”
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Effects of integrated plant nutrition systems with fertilizer deep placement on rice yields and nitrogen use efficiency under different irrigation regimes por Islam, S.M. Mofijul, Gaihre, Yam Kanta, Islam, Md. Rafiqul, Islam, Aminul, Singh, Upendra, Sander, Bjoern Ole

“…However, studies on the effects of broadcast prilled urea (PU) and urea deep placement (UDP) applied in combination with organic inputs (poultry litter [PL] and vermicompost [VC]), as integrated plant nutrition systems (IPNSs), on rice yields and nitrogen use efficiency (NUE) under alternate wetting and drying (AWD) irrigation are limited. We conducted field experiments during the dry and wet seasons of 2018, 2019, and 2020 to investigate the effects of fertilizer treatments, including control (no nitrogen), UDP, PU, and IPNSs (PU + VC, PU + PL, and UDP + PL) on rice yield and NUE under two irrigation regimes – AWD and continuous flooding (CF). …”
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Differences between the strength of preference-performance coupling in two rice stemborers (Lepidoptera: Pyralidae, Crambidae) promotes coexistence at field-plot scales por Horgan, Finbarr G., Romena, Angelita M., Bernal, Carmencita C., Almazan, Maria Liberty P., Ramal, Angelee Fame

“…YSB and SSB larvae occurred in relatively high numbers on rice varieties with large tillers (IR70, IR68, and T16) in wet and dry season field experiments. However, whereas YSB was the dominant species on IR68 and IR70, it was relatively less abundant on T16, where SSB dominated. …”
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Flowering synchronization in hybrid rice parental lines at different sowing dates por Gaballah, Mahmoud, Hamad, Hassan, Bamagoos, Atif, Alharby, Hesham, Ahmed, Sharif, Ismail, Ismail A., Sohidul Islam, Md, EL Sabagh, Ayman

“…Hybrid seed set on the female line depends primarily on its flowering synchronization with the restorer line (R), therefore, the sowing of male and female lines must be planned properly to achieve this. Field experiments on different sowing dates (May 1st, May 15th, and May 30th) of R lines (Giza 178R, Giza 179R, and Giza 181R) and cytoplasmic male sterile (CMS) lines (IR69625A, IR70368A, IR58025A, K17A, and G46A) were carried out at the farm of Sakha Agricultural Research Station, Kafr El-Sheikh, Egypt during 2019 and 2020 to study the effect of sowing dates on flowering synchronization in hybrid rice. …”
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Identification and characterization of high‐yielding, short‐duration rice genotypes for tropical Asia por Won, Phyo L. P., Liu, Hongyan, Banayo, Niño P. M., Nie, Lixiao, Peng, Shaobing, Islam, Mohammad R., Sta. Cruz, Pompe, Collard, Bertrand C. Y., Kato, Yoichiro

“…Our goal was to identify physiological traits associated with high yield in elite short‐duration genotypes suitable for tropical Asia. We conducted field experiments in five consecutive growing seasons at the International Rice Research Institute, the Philippines. …”
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Nutrient management for higher productivity of Swarna Sub1 under flash floods areas por Manandhar, Sarita, Chaudhary, Bedanand, Srivastava, Ashish K., Singh, Sudhanshu, Singh, Uma Shankar, Haefele, Stephan M.

“…Two field experiments were conducted at Regional Agricultural Research Station, Tarahara, Nepal during 2012 and 2013 to determine the effect of agronomic management on growth and yield of Swarna Sub1 under flash floods. …”
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Modeling salinity effect on rice growth and grain yield with ORYZA v3 and APSIM-Oryza por Radanielson, A.M., Gaydon, D.S., Li, T., Angeles, O., Roth, C.H.

“…New functions were implemented in existing crop models ORYZA v3 and the cropping systems modelling framework APSIM. Field experiments covering two years, two different sites, and three varieties were used to validate both improved models. …”
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