Participatory sorghum varietal evaluation and selection in Pakistan

A number of improved pipeline varieties of sorghum including PARC SS-1, PARC SS-2 and PARC Ss-15 were planted in various agro-ecological zones of Pakistan for 2 years (2004 and 2005). The participatory Mother-Baby Trial methodology was used for the first time in Pakistan for varietal evaluation and selection. Six varieties of sorghum were evaluated along with the local checks. In general, the pipeline varieties developed at the National Agricultural Research Centre had a yield advantage of 15 to 20% over the local checks and other improved varieties included in the trial. The farmers were involved in the varietal selection process. These varieties were selected by the farmers on the basis of maturity, higher yield, resistance to leaf blight and red rot diseases, drought tolerance, and the dual (grain cum fodder) nature of the varieties. Based on the evaluation and selection, these varieties are being released for general cultivation in various ecologies. The results from participatory trials on various agronomic aspects are presented and discussed in this paper.

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Factors Influencing Preferences and Adoption of Improved Groundnut Varieties among Farmers in Tanzania

Agronomy ◽

10.3390/agronomy10091271 ◽

2020 ◽

Vol 10 (9) ◽

pp. 1271

Author(s):

Serapius Mwalongo ◽

Essegbemon Akpo ◽

Gerald Alex Lukurugu ◽

Geoffrey Muricho ◽

Ronnie Vernooy ◽

...

Keyword(s):

Crop Production ◽

Agricultural Research ◽

Secondary Data ◽

Policy Support ◽

Probit Regression ◽

Improved Varieties ◽

Ecological Zones ◽

Female Farmers ◽

And Gender ◽

Agro Ecological Zones

Access and use of seed of improved varieties of groundnut among farmers can improve farmers’ livelihoods and contribute to the potential of crop production in Tanzania. This paper analyzes factors underpinning the adoption of improved groundnut varieties among farmers to pave the way for upscaling quality seed used for increased production and commodity business in farming communities. A four-stage stratified sampling was used to collect data from 300 groundnut farmers in seven agro-ecological zones through individual interviews. Secondary data were collected from the literature and the Tanzania Agricultural Research Institute at Naliendele centre (TARI–Naliendele). Descriptive statistics and Probit regression model were used for data analysis. The empirical results showed that Johari 1985, Pendo 1998, Naliendele 2009, Mnanje 2009, Mangaka 2009 and Nachi 2015, are the main six improved groundnut varieties used by farmers, with Pendo 1998 having the highest adoption rate (17.1%). In the grain market, four varieties, namely Pendo 1998, Mnanje 2009, Nachi 2015 and Johari 1985, were observed to be highly preferred by grain off-takers. Furthermore, among the adopted improved varieties, Nachi 2015, is observed to be the most consistent high yielding variety, ranging from 1100 kg/ha to 1500 kg/ha in all agro-ecological zones. A farmer’s decision to adopt new varieties is affected by age and gender, farmer group membership, availability of improved seed and seed cost. Overall, male farmers are more likely to adopt improved varieties of groundnut than female farmers. The implications of these findings are also discussed, in particular in the area of policy support.

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Agro-ecological Variation in the Growth and Development of Grain Amaranth (Amaranthus sp.) in Nigeria

HortScience ◽

10.21273/hortsci.31.4.652b ◽

1996 ◽

Vol 31 (4) ◽

pp. 652b-652

Author(s):

A.O. Olufolaji ◽

Lanre A. Denton

Keyword(s):

Agricultural Research ◽

Agronomic Characters ◽

Yield Attributes ◽

Ecological Zones ◽

Qualitative And Quantitative ◽

Quantitative Characters ◽

Derived Savanna ◽

Sudan Savanna ◽

New Crop ◽

Agro Ecological Zones

The pale yellow-seeded Amaranth is virtually a new crop in Nigerian agriculture. Under the sponsorship of the National Agricultural Research Project (NARP), 12 accessions were evaluated for agronomic characters and yield attributes in three agro-ecological zones of the country. The results showed significant variation in the agronomic characters of the accessions. Top accessions recorded average grain yields of 4.5, 3.5, and 2.6 t·ha–1 in Sudan savanna, derived savanna, and guinea savanna zones of the country, respectively. Response of the accessions to qualitative and quantitative characters in the zones are discussed.

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Caractérisation Agro-Morphologique De Variétés De Cotonnier (Gossypium Hirsutum) Pour Une Régionalisation Economique Pour La Production Du Coton Au Bénin

European Scientific Journal ESJ ◽

10.19044/esj.2016.v12n36p210 ◽

2016 ◽

Vol 12 (36) ◽

pp. 210

Author(s):

Hougni Alexis ◽

Imorou Lucien ◽

Dagoudo Augustin ◽

Zoumarou-Wallis Nouhoun

Keyword(s):

Agricultural Policy ◽

Agricultural Research ◽

Cotton Fibers ◽

Cotton Yield ◽

Seed Cotton ◽

Ecological Zones ◽

Seed Cotton Yield ◽

Cotton Farmers ◽

Agroecological Zone ◽

Agro Ecological Zones

To take more account of the terroir effect in varietal choice and address the concerns of cotton farmers who disapprove the agricultural policy of single variety, research on varietal regionalization was initiated during four campaigns, by the Agricultural Research Center for Cotton Fibers. This idea is reinforced by the diversity of agro-ecological zones of the country. The nonrenewal of the variety in extension since the 2002-2003 campaign is also an element of justification concerns of industry players. This study aims to exploit the terroir effect to identify the most suitable varieties for each agroecological zone and meet the needs of industry players including producers and ginners. The experiment was conducted in 2011-2012 on Angaradébou sites, Okpara, Savalou and Ketou respectively representing the zones 1 (Alibori / Atakora); 2 (Borgou / Donga); 3 (Hills) and 4 (Zou / Ouemé Plateau / Mono-Couffo). The adopted experimental device is a Fisher block with four replicate and eight treatments or varieties H 279-1 in extension witness. Other varieties include E 944-2; E 956-2; H 769-5; H 782-3; I 875-3; K 768-3 and K 787-2.The measured parameters are the earliness of production, seed cotton yield in the field, the weight of 100 seeds and the fiber ginning outturn. Data analysis revealed significant differences between and inside sites for most measured parameters. The results showed that varieties E 956-2 (1983.85 kg / ha), H 769-5 (1820.49 kg / ha), K 768-3 (1735.42 kg / ha) and H 782-3 (1533.59 kg / ha) in terms of seed cotton yield in the field and compared their performance to shattering were the best respectively in zones 1, 2, 3 and 4.

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Effect of Fertilizer Application on Soil Properties and Yield of Sesame (sesamum indicum l.) Varieties in Southern Guinea and Sudan Savanna Agro-Ecological Zones of Nigeria

African Journal of Agriculture and Food Science ◽

10.52589/ajafs_sitiw7kb ◽

2021 ◽

pp. 89-108

Author(s):

Usman M. ◽

Ali A. ◽

Olatunji O.

Keyword(s):

Soil Properties ◽

Fertilizer Application ◽

Soil Samples ◽

Improved Varieties ◽

Ecological Zones ◽

Local Variety ◽

Significant Difference ◽

Cropping Seasons ◽

Sudan Savanna ◽

Agro Ecological Zones

Field experiments were carried out in 2018 and 2019 cropping seasons to determine the effect of fertilizer application on soil properties and yield of sesame varieties in Southern Guinea and Sudan Savanna Agro-ecological Zones of Nigeria. Treatments consisted of three varieties of sesame (Jigida, NCRIBEN-01M and NCRIBEN-032) and four levels of NPK 15:15:15 fertilizer (0, 50,100 and 150 kg ha-1). Treatments were laid out in a randomized complete block design (RCBD) and replicated thrice. Prior to planting, surface (0-15 cm) soil samples were collected from eight points and bulked; post-harvest composite soil samples were also collected on the basis of treatments. All soil samples were analyzed using standard analytical procedures. Data on yield parameters collected include number of capsules per plant, number of seeds per capsule, length of capsule (cm), 1000 capsule weight (g), 1000 seeds weight (g) and seed yield (t ha-1). The crop data generated from the study were subjected to Analysis of Variance (ANOVA) using Genstat Release 10.3 DE after which significant means were separated using Least Significant Difference (LSD) at 5 % level of probability. Results indicated that the soils of both locations were inherently poor in essential plant nutrients. The improved varieties (NCRIBEN-01M and NCRIBEN-032) performed better than the local variety in terms of yields in both cropping seasons. Sesame yield increased with increase in fertilizer application rates up to 150 kg ha-1. The effect of varieties on soil properties did not differ significantly however, the improved varieties left lower essential nutrients in soil when compared with the local variety. Fertilizer application at 150 kg ha-1 favoured the retention of organic matter as well as other essential nutrient elements in soil. Location effect showed that the Potiskum soil had more nutrients than that of Makurdi. For sustainable sesame production and maintenance of soil fertility in both locations, application of 150 kg ha-1 of NPK 15:15:15 to sesame fields is recommended.

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Management of Chickpea Seedling Diseases Through Soil Amendment with Tricho-Compost

International Journal of Phytopathology ◽

10.33687/phytopath.003.02.0757 ◽

2014 ◽

Vol 3 (2) ◽

pp. 73-79

Author(s):

Mohammed I. Faruk ◽

Muhammad L. Rahman ◽

Muhammad N. Islam ◽

Muhammad M. Rahman ◽

Muhammad A. Rahman

Keyword(s):

Soil Amendment ◽

Agricultural Research ◽

Sclerotium Rolfsii ◽

Cow Dung ◽

Research Station ◽

Seedling Mortality ◽

Agricultural Research Institute ◽

Ecological Zones ◽

Pot Culture ◽

Agro Ecological Zones

Performance of different Tricho-inocula (Trichoderma harzianum inocula), Tricho-compost (T. harzianum compost) and Provax 200 WP (Carboxin + Thiram group fungicide) for controlling seedling mortality of chickpea was investigated under Sclerotium rolfsii and Fusarium oxysporum f. sp. ciceri inoculated soil in two different agro-ecological zones viz. Bangladesh Agricultural Research Institute (BARI), Gazipur and Pulses Research Station, Madaripur of Bangladesh. Tricho-compost was prepared with a mixed substrate of cow dung, rice husk and poultry refuse colonized by T. harzianum. The seedling mortality of chickpea was significantly reduced by the Tricho-inocula, Tricho-compost and Provax 200 WP where Tricho-compost was found superior with respect to reduction of seedling mortality and accelerating plant growth with increasing grain yield of chickpea under pot culture as well as field conditions in two different agro-ecological zones of Bangladesh

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Organic and Inorganic Fertilizers Induced Yield Increment of Two Pearl Millet Varieties in Sudanian and Sahelian Agro-ecological Zones in Mali

Journal of Agricultural Studies ◽

10.5296/jas.v6i3.13646 ◽

2018 ◽

Vol 5 (4) ◽

pp. 158

Author(s):

Halimatou Aboubacar Toure ◽

Kalifa Traore ◽

Idriss Serme ◽

Korodjouma Ouattara

Keyword(s):

Grain Yield ◽

Pearl Millet ◽

Agricultural Research ◽

Block Design ◽

Sub Saharan Africa ◽

Research Station ◽

Yield Gap ◽

Ecological Zones ◽

Local Variety ◽

Agro Ecological Zones

Soil fertility is inherently low in sub Saharan Africa. The objective of this study was therefore to determine millet yield for two varieties in each zone using organic and inorganic fertiliser in two agro-ecological zones in Mali. A two-year experiment was conducted at Agricultural Research Station of Sotuba and Cinzana in 2013 and 2014. A combination of two pearl millet varieties and four fertilizer treatments were used. The fertilizers treatments used were: T1 Control (no application); T2 MANURE of 23:10:17 (5000 kg/ha); T3 NPK of 15: 15: 15 (50 kg/ha) and T4 combination of NPK + MANURE. The experiments were conducted in a randomised complete block design (RCBD) with four replications in a plot size of 10 m x 4.2 m. The varieties evaluated at Sotuba station were Sanioni, an improved local variety and Cho, a local variety while at Cinzana station Sosat, an improved variety form IER /ICRISAT and IBV8001, and an improved variety from ICRISAT were used. At Sotuba high grain with NPK+MANURE (1948 kg ha-1) followed by NPK (1281 kg ha-1), MANURE (1130 kg ha-1)and the Control (813 kg ha-1). In 2014, the grain yield NPK+MANURE) was 1602 kg ha-1, followed by NPK (1502 kg ha-1), MANURE (1466 kg ha-1) and the control (1440 kg ha-1). The grain yield gap for the Control treatment in 2013 (813 kg ha-1) and in 2014 (1440 kg ha1) was high compared to the NPK+MANURE, MANURE and NPK treatment grain yield gap for the same years. In Cinzana In 2013, higher grain yield with the treatments of NPK+MANURE, (1440 kgha-1)> NPK (1429 kg ha-1)> MANURE (1416 kg ha-1)>Control (1276 kg ha-1) were observed . In 2014, the highest grain yield with NPK+MANURE (1915 kg ha-1) followed by NPK (1561 kg ha-1), MANURE (1523 kg ha-1 1) and Control (1121 kg ha-1). The grain yield gap for the combined NPK+MANURE treatment in 2103 (1440 kg ha-1) and in 2014 (1915 kg ha1) was high compared to the others for the fertilizer grain yield gap for both years.

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The appearance of soil-borne viruses in Finnish plant nurseries

Agricultural and Food Science ◽

10.23986/afsci.71814 ◽

1972 ◽

Vol 44 (2) ◽

pp. 83-92

Author(s):

Eeva Tapio

Keyword(s):

Plant Pathology ◽

Agricultural Research ◽

Tobacco Rattle Virus ◽

Soil Samples ◽

Research Centre ◽

Tobacco Necrosis Virus ◽

Necrosis Virus ◽

South West ◽

Plant Samples ◽

First Time

In studies conducted by the Department of Plant Pathology of the Agricultural Research Centre, soil-borne viruses were found in soil samples from seven nurseries out of thirteen sampled and from fields at two experimental stations in south and south-west Finland. Tobacco necrosis virus was identified for the first time in Finland in 12 isolates and in addition tobacco rattle virus in 8 isolates. All these isolates were made from 193 soil and plant samples collected in late autumn of 1970. For the first time in Finland the nematode Trichodorus pachydermus Seinhorst was identified from extracts of TRV-infected soil and plant samples.

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Differential Adaptation Strategies By Agro-Ecological Zones In African Livestock Management

10.1596/1813-9450-4601 ◽

2008 ◽

Cited By ~ 3

Author(s):

S. Niggol Seo ◽

Robert Mendelsohn ◽

Ariel Dinar ◽

Pradeep Kurukulasuriya

Keyword(s):

Adaptation Strategies ◽

Ecological Zones ◽

Livestock Management ◽

Differential Adaptation ◽

Agro Ecological Zones

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Towards Understanding Variability in Droughts in Response to Extreme Climate Conditions over the Different Agro-Ecological Zones of Pakistan

Sustainability ◽

10.3390/su13126910 ◽

2021 ◽

Vol 13 (12) ◽

pp. 6910

Author(s):

Adil Dilawar ◽

Baozhang Chen ◽

Arfan Arshad ◽

Lifeng Guo ◽

Muhammad Irfan Ehsan ◽

...

Keyword(s):

Pearson Correlation ◽

Principal Component ◽

Mitigation Strategies ◽

Precipitation Extremes ◽

Climate Mitigation ◽

Mean Annual Temperature ◽

Climate Extreme ◽

Ecological Zones ◽

The Mean ◽

Agro Ecological Zones

Here, we provided a comprehensive analysis of long-term drought and climate extreme patterns in the agro ecological zones (AEZs) of Pakistan during 1980–2019. Drought trends were investigated using the standardized precipitation evapotranspiration index (SPEI) at various timescales (SPEI-1, SPEI-3, SPEI-6, and SPEI-12). The results showed that droughts (seasonal and annual) were more persistent and severe in the southern, southwestern, southeastern, and central parts of the region. Drought exacerbated with slopes of −0.02, −0.07, −0.08, −0.01, and −0.02 per year. Drought prevailed in all AEZs in the spring season. The majority of AEZs in Pakistan’s southern, middle, and southwestern regions had experienced substantial warming. The mean annual temperature minimum (Tmin) increased faster than the mean annual temperature maximum (Tmax) in all zones. Precipitation decreased in the southern, northern, central, and southwestern parts of the region. Principal component analysis (PCA) revealed a robust increase in temperature extremes with a variance of 76% and a decrease in precipitation extremes with a variance of 91% in the region. Temperature and precipitation extremes indices had a strong Pearson correlation with drought events. Higher temperatures resulted in extreme drought (dry conditions), while higher precipitation levels resulted in wetting conditions (no drought) in different AEZs. In most AEZs, drought occurrences were more responsive to precipitation. The current findings are helpful for climate mitigation strategies and specific zonal efforts are needed to alleviate the environmental and societal impacts of drought.

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