June 2016

Productivity and economics of medicinal rice Njavara (Oryza sativa L.) as influenced by different establishment techniques in lowland condition of Kerala, India

Field experiments were conducted at Cropping Systems Research Centre, Karamana, Thiruvananthapuram, Kerala during summer/third crop/puncha season in 2007 and 2008 to find out the effect of nutrient sources under different management systems. The experiment was laid out in split plot design with four replicates. The treatments consisted of four management systems, viz., System of Rice Intensification SRI (M1), Integrated...

Author(s): S. Rani and P. Sukumari

June 2016

Trichoderma: A significant fungus for agriculture and environment

The novel technologies in all areas of agriculture have improved agricultural production, but some modern practices affect the environment. The recent challenge faced by advanced farming is to achieve higher yields in environment-friendly manner. Thus, there is an immediate need to find eco-friendly solutions such as wider application of biocontrol agents. Among various types of species being used as biocontrol agents,...

Author(s): Rajesh R. Waghunde, Rahul M. Shelake and Ambalal N. Sabalpara

June 2016

Cuscuta campestris yunker, a dangerous obligate parasitic weed observed in cassava crop in the eastern part of the Democratic Republic of Congo

Cuscuta campestris (field dodder) is an obligate shoot parasite weed causing growth inhibition and yields losses of many agricultural crops worldwide. C. campestris is often observed in many crops; among is cassava in the eastern part of the Democratic Republic of Congo. In 2014, subsistence farmers realised that it may be responsible for yield reduction of many crops. This study evaluates the effect of C. campestris on...

Author(s): Mushagalusa N. G.., Achiza B. J., Bisuri B. K., Sinza C. B., Bigirimwami C. L. and Lubobo A. K.

June 2016

Toxicity and sublethal effects of insecticides on Helicoverpa armigera Hübner (Lepidoptera: Noctuidae)

Exposure of Helicoverpa armigera to sublethal concentrations of insecticides can cause physiological deficiencies manifested by reduced longevity, development, fertility and fecundity. Research on the sub-lethal effects, to identify the non-lethal negative impacts of insecticides on pests can provide practical information for integrated management. The objective of this study was to determine the lethal concentrations...

Author(s): Eliane Carneiro, Luciana Barboza Silva, Alexandre Faria Silva, Vilmar Bueno Santos, Mayra Layra Santos Almeida, Gabriel Santos Carvalho and Maisa Veras

June 2016

Potassium doses for African mahogany plants growth under two hydric conditions

African mahogany (Khaya senegalensis) is a good option for the growing demand of the furniture industry since it is resistant to Hypsipyla grandella Zeller, a borrowing insect which causes damage to plants of the genus Swietenia in the American continent. The objective of this paper was to verify the effects of potassium doses on the growth of young African mahogany plants growing under two hydric conditions. The doses...

Author(s): Bruna Aparecida Pereira Perez, Sérgio Valiengo Valeri, Mara Cristina Pessôa da Cruz and Rodrigo Tenório de Vasconcelos