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12.713  Articles
1 of 1.272 pages  |  10  records  |  more records»
The biodiversity conservation was included in environment problems at the ONU conference for environment and development, from Rio de Janeiro (1992). Important parts of the conservation are traditional varieties and local populations of crop plants. The U... see more

Resistance screening of promising rice lines in Indonesia requires the use of brown planthopper (BPH) biotypes 1, 2, and 3. Three BPH populations have been raised as biotypes 1, 2, and 3 on differential rice host of improved varieties Pelita I-1 (no Bph g... see more

Insufficient genetic variability is one of the major problems of plant breeding programmes, especially in sesame. Gamma radiation has been reported to be very effective in creating genetic variability in plants. Three varieties of Nigerian sesame were ass... see more

One of the most effective measures used to enhance natural grasslands in mountain and semi-mountain conditions is the inclusion of species such as alfalfa which is characterized by increased productivity, stability and adaptability. Thus, a comparative st... see more

This study aimed to evaluate the susceptibility response of varieties and local populations of lupines to Bruchus rufimanus in multi-environment field tests. Seed damaged rate and susceptibility index were assessed in each environment and subjected to a h... see more

Six variétés de populations locales (Azeradj, Chemlal, Limli, Takesrit, Aghenfas et Grosse du Hamma) de la collection de l' ITAFV de Sidi-Aïch (Bejaïa) ont été choisies pour cette étude. Des caractéristiques physico-chimiques des huiles issues de ces vari... see more

Melissa officinalis L. species belongs to the family Lamiaceae, subfamily Nepetoideae, Mentheae tribe. The object of research was to the determine the production for four populations and two varieties of Melissa officinalis L. Analyzing production varieti... see more

Synthetic varieties of corn are open-pollinated populations obtained by cross-pollination of a group of inbred lines. Besides the inbred lines, corn synthetics can be obtained from local populations or hybrids. In general, they are superior to local popul... see more

The spread limitation of local populations forced to organize a national program for the collection, study and preservation of indigenous germplasm due to outstanding value starting material of populations and varieties that are the result of long natural... see more

1 of 1.272 pages  |  10  records  |  more records»