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Agricultural Research Updates. Volume 24 (Hardcover)
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Agricultural Research Updates. Volume 24 (Hardcover)
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Agricultural Research Updates. Volume 24 begins with a mention of
various features of maize chromosomes such as cytological mapping
of meiotic chromosomes, heterochromatic knobs, centromeres,
neocentromeres and DNA content in the maize genome. The authors
report on the variability of tropical maize chromosomes and on
chromosomal alterations in maize karyotype that occurred in callus
cultures. Next, the authors present an overview of reports
addressing the successful development of rhizobial strains that are
symbiotically more efficient by overexpression of single or
multiple genes, directly or indirectly associated to the symbiotic
process, such as nodulation, nitrogen fixation, stress response and
phytohormone production genes among others. The main objective is
of the following chapter is to evaluate the performance of 42 olive
varieties in low water conditions and to infer the relationships
between the leaf parameters and other variables. The findings of
this study provide supplementary information about the performance
of olive varieties cultivated intensively under low water
conditions and what leaf indices can be used to evaluate their
responses. A chained set of trials was conducted and described with
the aim of studying whether corn fertilized by Arbuscular
Mycorrhiza could influence crop yields, affect mycotoxins and
modify poultry and pig meat production, in the short term, or after
a long period of storage. Two experiments conducted in corn fields
treated with a commercial bio-fertilizer have shown that the yield
can be improved and that the resistance to fungal attacks had
significantly increased. Additionally, the authors aim to develop
and evaluate the cosmetic performance of emulsions containing oils
and vegetable butter from Brazilian organic agriculture, verifying
the influence of these emollients on the physical-chemical and
sensory stability of cosmetic formulations. This is the first study
investigating these raw materials from Brazilian organic
agriculture in emulgel-type cosmetic formulations. The next chapter
describes a new no-contact method of determining bird mass that
does not have the deficiencies of old-fashioned automatic weighing
platforms in the poultry industry. The method is based on computer
processing of digital top-down images of the birds automatically
taken with a camera mounted on the ceiling of a poultry house.
Salacca edulis is known to possess flavonoids, flavanol, tannin,
anthocyanin, ascorbic acid, alkaloid and antioxidants which may
make it important in disease prevention. The authors aim to assess
the long-term impact of S. edulis intake on specific populations
and their functionality claims. In the closing study, four native
Bradyrhizobium isolates (NRI1, NRI2, NRI3, and NRI4) obtained from
field trap cultures set in acidic soils of Embu and Tharaka Nithi
County, Kenya and a commercial inoculant (USDA 110), were examined
for acid tolerance on yeast extract mannitol agar at pH levels of
3, 5, 7 and 9. Moreover, the isolates were examined for nitrogen
fixation potential in greenhouse bioassays using limed and
non-limed field soil.
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