Agronomy, Free Full-Text

Por um escritor misterioso

Descrição

This study presents the status of ex situ and in situ conservation for the crop wild relatives of rice, potato, sweet potato, and finger millet in Brazil, and the subsequent germplasm collection expeditions. This research is part of a global initiative entitled “Adapting Agriculture to Climate Change: Collecting, Protecting, and Preparing Crop Wild Relatives” supported by the Global Crop Diversity Trust. Species of the primary, secondary, and tertiary gene pools with occurrences reported in Brazil were included: Oryza alta Swallen, O. grandiglumis (Döll) Prod., O. latifolia Desv., O. glumaepatula Steud., Eleusine tristachya (Lam.) Lam., E. indica (L.) Gaertn., Solanum commersonii Dunal, S. chacoense Bitter, Ipomoea grandifolia (Dammer) O’Donell, I. ramosissima (Poir.) Choisy, I. tiliacea (Willd.) Choisy, I. triloba L., and I. cynanchifolia Meisn. The status of the ex situ and in situ conservation of each taxon was assessed using the gap analysis methodology, and the results were used to plan 16 germplasm collection expeditions. Seeds of the collected material were evaluated for viability, and the protocols for seed germination and cryopreservation were tested. The final conservation score, resulting from the gap analysis and including the average of the ex situ and in situ scores, resulted in a classification of medium priority of conservation for all the species, with the exception of I. grandifolia (high priority). The total accessions collected (174) almost doubled the total accessions of these crop wild relatives incorporated in Embrapa’s ex situ conservation system prior to 2015. In addition, accessions for practically absent species were collected for the ex situ conservation system, such as Ipomoea species, Eleusine indica, and Solanum chacoense. The methods used for dormancy breaking and low temperature conservation for the Oryza, Eleusine, and Ipomoea species were promising for the incorporation of accessions in the respective gene banks. The results show the importance of efforts to collect and conserve ex situ crop wild relatives in Brazil based on previous gap analysis. The complementarity with the in situ strategy also appears to be very promising in the country.
Agronomy, Free Full-Text
Climate and agronomy, not genetics, underpin recent maize yield gains in favorable environments
Agronomy, Free Full-Text
Agronomy News University of Maryland Extension
Agronomy, Free Full-Text
Agronomy, Free Full-Text
Agronomy, Free Full-Text
Agronomy Journal: Vol 112, No 1
Agronomy, Free Full-Text
PDF) A textbook on Fundamentals of Agronomy-I
Agronomy, Free Full-Text
The principles of agronomy; a text-book of crop production for high-schools and short-courses in agricultural colleges : Harris, Franklin Stewart, 1884- : Free Download, Borrow, and Streaming : Internet Archive
Agronomy, Free Full-Text
Regenerative Agriculture: An agronomic perspective - Ken E Giller, Renske Hijbeek, Jens A Andersson, James Sumberg, 2021
Agronomy, Free Full-Text
Open Agriculture
Agronomy, Free Full-Text
Agronomy eUpdate July 13th, 2023 : Issue 965
Agronomy, Free Full-Text
Agriculture - Wikipedia
Agronomy, Free Full-Text
Material Nanotechnology Is Sustaining Modern Agriculture
de por adulto (o preço varia de acordo com o tamanho do grupo)