Results 111 to 120 of about 3,117 (198)

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

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

Study on the resistance components in 33 commercial potato cultivars to Colorado potato beetle, Leptinotarsa decemlineata (Col.: Chrysomelidae) [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2011
Greenhouse and field experiments were conducted to evaluate the resistance components in 33 potato commercial cultivars to Colorado potato beetle, Leptinotarsa decemlineata (Say) in 2008.
A. Ghassemi-Kahrizeh   +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  

Effects of Rag1 on the Preference and Performance of Soybean Defoliators [PDF]

open access: yes, 2013
The Rag1 gene confers antibiotic resistance to soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae), and in 2010, varieties expressing Rag1 were released for commercial use in the United States.
Bruner, Robert   +4 more
core   +2 more sources

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  

Host Plant Resistance of Cool-Season (C3) Turfgrasses to Above- and Belowground Feeding by Tipula paludosa (Diptera: Tipulidae) [PDF]

open access: yes, 2017
Feeding on above- and belowground plant tissues by Tipula paludosa Meigen during the period of rapid growth from second to forth instars is highly damaging to cool-season (C3) turfgrasses.
Peck, Daniel C., Petersen, Matthew J.
core  

Expression Of Resistance Of Soybean To The Pod Sucking Bug Riptortus Linearis F. (Hemiptera: Coreidae) [PDF]

open access: yes, 2012
Factors involved in the mechanism of resistance of soybean to pod sucking bug R. linearis were identified using resistant soybean genotypes, IAC-100, and IAC-80-596-2 and the susceptible variety, Wilis as a check. The role of trichomes in resistance was
Suharsono, S. (Suharsono)   +1 more
core  

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