Results 81 to 90 of about 215,532 (169)

Variation in net photosynthesis, rubisco activity and chloroplast ultrastructure among somatic hybrids of Solanum tuberosum and S. brevidens

open access: yes, 1990
The effect of ploidy, parental chloroplast type and parental nuclear genome dosage on net photosynthesis, Rubisco activity and chloroplast ultrastructure was studied among somatic hybrids of diploid S. brevidens and dihaploid S. tuberosum. An increase in
Parry, M. A J   +6 more
core   +1 more source

BREEDING OF WINTER WHEAT ON TOLERANCE TO LEAF RUST (PUCCINIA TRITICINA ERIKS.) IN MOSCOW RIA “NEMCHINOVKA”

open access: yesЗерновое хозяйство России, 2018
The genes of P.triticina tolerance of the varieties of soft winter wheat have been studied by test-isolators. The experiment was based on Flor’s theory ‘gene for gene’, when a tolerant gene matches virulence.
B. I. Sandukhadze   +5 more
doaj  

THE MIDDLE-EARLY HYBRID OF MAIZE 'ZERNOGRADSKY 288 MV' OF A MULTI-PURPOSE USE

open access: yesЗерновое хозяйство России, 2018
The breeding work on obtaining new varieties and hybrids of crops is being carried out constantly that allows developing genotypes for various soil-climatic conditions with the improved indexes of the main economic-valuable traits.
G. Ya. Krivosheev   +2 more
doaj  

The effect of genes on A and B chromosomes of a number of Triticinae on meiotic behaviour in Triticum aestivum and its hybrids with related species

open access: yes, 1979
Results obtained and hypotheses that have been put forward to integrate them, are summarized in this section.1. Studies of chromosome association in F 1 hybrids Triticum aestivum X Secale cereale with and without chromosome 5B and in the presence or in ...
Viegas, W.S.
core  

ABOUT PROBLEMS AND SCIENTIFIC ACHIEVEMENTS OF RUSSIAN SCIENTISTS IN GRAIN AND OTHER CROPS

open access: yesЗерновое хозяйство России, 2018
The results of studies of selection and seed-growing of  energy saturated crops including maize, soybean, winter wheat, winter triticale, sunflower, peas and rape (colza) made by some research institutions of RF are given.
A. M. Medvedev, A. S. Vasyutin
doaj  

Measuring Tax Incidence: A Natural Experiment in the Hybrid Vehicle Market [PDF]

open access: yes
This study measures the economic incidence of the hybrid vehicle tax credit implemented in the Energy Policy Act of 2005. By comparing hybrids to gasoline-powered counterparts as the credit is phased out and expires, we are able to isolate the impact of ...
Victor Matheson, Melissa Boyle
core  

Production and heterosis analysis of rice autotetraploid hybrids

open access: yes, 2007
Poor fertility is the main barrier for utilizing heterosis between the two rice (Oryza sativa L.) subspecies, indica and japonica. Recently, the development of autotetraploid hybrids (2n = 4x = 48) has been suggested as a new method for increasing ...
Liu, YH   +9 more
core  

Relationship between seed harvesting method and seed physiological quality for a number of Pioneer maize hybrids

open access: yes, 2012
The seed germination and seed vigor of eight Pioneer Hi-Bred maize hybrids were evaluated immediately after harvesting and a year later. The aim was to determine whether the seed showed loss of germination and vigor when shelled mechanically.
Berzy, Tamás   +3 more
core  

The study of rice hybrids obtained in hybridization of the Turkish and Russian varieties in the Rostov region

open access: yesЗерновое хозяйство России, 2018
Rice productivity in this country is insufficient for the needs of population that shows the importance of the studied problem. Thus, it’s necessary to develop new highly productive varieties.
P. I. Kostylev   +2 more
doaj  

Exploiting phenotypic and genotypic diversity against colletotrichum truncatum in chilli hybrids developed using resistant breeding lines

open access: yes
In an effort to control anthracnose disease, one of the major problems that has been faced by farmers, 14 chilli hybrids and their parents were screened phenotypically using the fruit inoculation method under laboratory conditions. Genotypic screening of
Jaafar, Juju Nakasha   +4 more
core   +1 more source

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