نتایج جستجو برای: cassava cultivation

تعداد نتایج: 38797  

Okereke, Chukwuma Odii

A research was conducted to evaluate cassava production by women farmers in Igbo-Eze North Local Government Area of Enugu State, Nigeria. One hundred and twenty smallholder female cassava farmers were selected using multi-stage sampling. Data were collected from the respondents using questionnaire and interview schedule. Then descriptive statistics (mean, frequency and percentage) were used in ...

2013
Isabel Ceballos Michael Ruiz Cristhian Fernández Ricardo Peña Alia Rodríguez Ian R. Sanders

The arbuscular mycorrhizal symbiosis is formed between arbuscular mycorrhizal fungi (AMF) and plant roots. The fungi provide the plant with inorganic phosphate (P). The symbiosis can result in increased plant growth. Although most global food crops naturally form this symbiosis, very few studies have shown that their practical application can lead to large-scale increases in food production. Ap...

2012

Cassava is a crop used by subsistence farmers in tropical and subtropical regions. It is extensively cultivated in certain regions of India (e.g. Kerala, Andhra Pradesh, Maharashtra, Tamil Nadu) and also in other Asian and African countries, and its cultivation is expected to further increase due to climate changes and increased water shortage, since cassava is drought-adaptive. Viruses, especi...

2016
Joseph Ndunguru Leandro De León Catherine D. Doyle Peter Sseruwagi German Plata James P. Legg Graham Thompson Joe Tohme Theresa Aveling Jose T. Ascencio-Ibáñez Linda Hanley-Bowdoin

UNLABELLED Cassava mosaic begomoviruses (CMBs) cause cassava mosaic disease (CMD) across Africa and the Indian subcontinent. Like all members of the geminivirus family, CMBs have small, circular single-stranded DNA genomes. We report here the discovery of two novel DNA sequences, designated SEGS-1 and SEGS-2 (forsequencesenhancinggeminivirussymptoms), that enhance symptoms and break resistance ...

Journal: :Asian journal of applied science and technology 2022

Cassava plays an important role in improving food security and reducing poverty rural areas. Despite its importance, production Senegal remains low compared to other African countries. Nowadays, it is confronted with numerous constraints. It this context that a study was conducted on the cassava system Thiès "cassava granary" region, objective of examining farmers' cultivation practices. eight ...

2013

Cassava mosaic disease (CMD), caused by an array of is the most economically important viral disease of cassava in sub-Saharan Africa. The most frequently reported in West Africa are African cassava mosaic virus (ACMV) and East African cassava mosaic Cameroon virus (EACMCV). In this study, 42 cassava leaves and 30 symptomatic weeds belonging to the Asteraceae, Cucurbitaceae and Leguminosae fami...

Journal: :Developing Country Studies 2022

This study analyzed the compound growth rate (CGR) and contributions of yield area to cassava production output in Nigeria. In these analyses, factored into consideration, each periods, triennium beginning (TB) ending (TE). During period, TB 1970 – TE 1995, oscillated between 10.7t/ha (TE 1972) 10.6 t/ha (TB 1996). At this CGR for (0.7%), (10.8%) (11.5%) were positive. The decomposition analysi...

2015
Leandro Pereira Lima Cristina Mattos Veloso Fabiano Ferreira da Silva Aureliano José Vieira Pires Fábio Andrade Teixeira Paulo Valter Nunes Nascimento

The addition of 0; 5; 10 and 15% cassava bagasse, based on the dry matter of the total diet of crossbred Holstein v. Zebu cows, was evaluated on milk production and composition and on the impacts of diet costs. The animals, weighing an average of 478.5 kg, were in the middle third lactation period. Diet with 15% cassava bagasse provided a 13.2% increase in production when compared to control. F...

2012
Yoshinori Utsumi Maho Tanaka Taeko Morosawa Atsushi Kurotani Takuhiro Yoshida Keiichi Mochida Akihiro Matsui Yoshimi Umemura Manabu Ishitani Kazuo Shinozaki Tetsuya Sakurai Motoaki Seki

Cassava is an important crop that provides food security and income generation in many tropical countries and is known for its adaptability to various environmental conditions. Despite its global importance, the development of cassava microarray tools has not been well established. Here, we describe the development of a 60-mer oligonucleotide Agilent microarray representing ∼20,000 cassava gene...

2007
Pham Van Bien Hoang Kim Joel J. Wang Reinhardt H. Howeler

Vietnam produces annually more than 2 million tonnes of cassava fresh roots and is ranked 13 in terms of cassava production in the world. In Vietnam cassava has great potential both for domestic consumption and for export. In North Vietnam, cassava is grown for food and animal feed by small farmer households. However, in South Vietnam cassava has become a cash crop and is an important raw mater...

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