Results 111 to 120 of about 3,130 (196)

Antixenosis and antibiosis to pea aphid in Pisum spp. germplasm

open access: yes, 2017
Trabajo presentado en la International Conference Advances in grain legume breeding, cultivations and uses for a more competitive value-chain, celebrada en Novi Sad (Serbia) el 27 y 28 de septiembre de 2017.
Aznar-Fernández, T., Rubiales, Diego
openaire   +2 more sources

Resistance in Triticum aestivum, Triticum monococcum and Triticum turgidum to Rhopalosiphum padi

open access: yesThe European Zoological Journal
The bird cherry-oat aphid Rhopalosiphum padi (L.) (Hemiptera: Aphididae) is a cosmopolitan species that attacks all the major cereals, causing the yield loss directly by removing nutrients and indirectly by vectoring plant virus diseases. The study aimed
B. Kordan   +6 more
doaj   +1 more source

Population Dynamics and Clonal Comparisons of Cowpea Aphid (Homoptera: Aphididae) on Resistant and Susceptible Cowpea Cultivars [PDF]

open access: yes, 2017
Survivorship, growth, and reproductive performance of cowpea aphid, Aphis craccivora Koch, were studied on whole plants and excised plant tissues of aphid-resistant (‘ICV-12') and aphid-susceptible (‘ICV-1') cultivars of cowpea, Vigna unguiculata (L ...
Annan, I. Billy   +2 more
core  

National versus Trinitarian cacao hybrids in Ecuador: which is less infested by sap pests and which is less damaged by pod pests

open access: yesFrontiers in Agronomy
Cacao (Theobroma cacao L.) is a tropical crop in high global demand. Ecuador is a significant producer and exporter of cacao where, there are several fine aroma cacao cultivars (type Nacional) and CCN51 (Trinitarian origin) in which the damages caused by
Dorys T. Chirinos   +6 more
doaj   +1 more source

Symbiotic control of the olive fruit fly, Bactrocera oleae [PDF]

open access: yes, 2018
The olive fruit fly Bactrocera oleae (Rossi) (OLF) is a major pest, which causes severe yield losses and quality decay of olive oil. The widespread use of chemical insecticides to control this pest is a major concern for the resulting environmental ...
David, Giron-Jimenez   +5 more
core  

Control sustentable del pulgón Schizaphis graminum [PDF]

open access: yes, 2016
El pulgón verde de los cereales es una plaga que ataca los principales cereales provocando daños en la producción. Existe en los áfidos una simbiosis con bacterias que tiene implicancias en aspectos fundamentales de su crecimiento y desarrollo.
Vicente, María Eugenia
core  

Antixenotic resistance of eight Cucumis genotypes to melon aphid Aphis gossypii (Hemiptera: Aphididae) and some associated plant traits

open access: yesJournal of Crop Protection, 2017
The melon aphid, Aphis gossypii (Glover), is one of the major pests of cucurbits and an efficient vector of plant viruses such as Cucumber Mosaic Virus. Host-plant resistance is one of the management strategies that can be used to control this pest.
Nazanin Doryanizadeh   +3 more
doaj  

Effects of High-Level Acylsugar-Producing Tomato Lines on the Development of Tomato Psyllids (Hemiptera: Triozidae). [PDF]

open access: yes, 2019
Acylsugars have been shown to provide activity against numerous insect pests of tomatoes. Comparison of acylsugar levels in four tomato plant lines, FA7/AS, FA2/AS, CU071026, and 'Yellow Pear', found that the acylsugar contents in the elevated acylsugar ...
De Jong, Darlene M   +5 more
core  

Amelioran Organik dan Mikoriza Meningkatkan Status Fosfat Tanah dan Hasil Jagung pada Tanah Andisol [PDF]

open access: yes, 2013
. A common problem of Andisol soils is the high capacity for P adsorption, although total P content is relatively high. This characteristic causes inefficient use of P fertiliser, to the point that P deficiency can become a major constraint for crop ...
Karnilawati, K. (Karnilawati)   +2 more
core   +1 more source

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