Results 81 to 90 of about 83,641 (305)

Studies on self- and cross-pollination of olives under varying temperature conditions

open access: yesCalifornia Agriculture, 1961
Investigations with Ascolano, Manzanillo, and Sevillano olive varieties show that chances of fertilization and fruit set are much greater after cross-pollination than after self-pollination.
M Bradle, W Griggs, H Hartmann
doaj  

AN EMPIRICAL ANALYSIS OF HONEYBEE POLLINATION MARKETS [PDF]

open access: yes
Pollination by honeybees plays an important role in modern agriculture. Some crops are greatly dependent on honeybees (almonds, apples, avocados, blueberries, and cherries are examples) while the yields and quality of other crops are significantly ...
Burgett, Michael   +2 more
core   +1 more source

Kiwifruit bacterial canker in 'Hayward' kiwifruit : the application of observational study design and epidemiological techniques to the study of disease outbreaks affecting plant health : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Veterinary Epidemiology, Institute of Veterinary, Animal and Biomedical Sciences at Massey University, Manawatu, New Zealand [PDF]

open access: yes, 2017
Bacterial canker of kiwifruit, caused by Pseudomonas syringae pv. actinidiae (Psa) biovar 3, was first recorded in New Zealand in November 2010 and quickly made production of the goldfleshed kiwifruit cultivar, ‘Hort16A’, which is highly susceptible to
Froud, Karyn Janine
core  

Flower color variation in Digitalis purpurea: Pollination and soil influences across native and introduced populations

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Flower color, a key trait influencing plant–pollinator interactions, may be influenced by abiotic factors such as soil. We investigated association between pollinators, soil characteristics, and flower color variations in Digitalis purpurea across native populations in Sweden and introduced populations in Bolivia.
Sissi Lozada‐Gobilard   +6 more
wiley   +1 more source

Requerimentos de polinização da goiabeira Pollination requeriments of guava

open access: yesCiência Rural, 2007
A goiabeira (Psidium guajava) é uma planta muito cultivada no Nordeste brasileiro, onde seus frutos têm elevada importância econômica, porém poucas pesquisas referem-se aos seus requerimentos de polinização.
José Everton Alves   +1 more
doaj   +1 more source

The Economic Impacts of GM Contamination Incidents on the Organic Sector [PDF]

open access: yes, 2008
This paper examines the economic impact of GM co-existence on the global organic sector to date through GM contamination of organic food and crops. A total of 15 GM contamination incidents in the organic sector are identified, occurring either from cross-
Azeez, Ms Gundula, Hewlett, Ms Kathleen
core  

Integrated Evaluation of Contaminant Profiles, Detection Techniques, and Management Strategies for Tannery Sludge

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This review article critically examines the environmental and health hazards of tannery sludge (TS), a complex by‐product of the leather tanning industry. TS is characterized by a diverse array of contaminants, including heavy metals like chromium, organic pollutants such as polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds ...
Yashar Aryanfar   +10 more
wiley   +1 more source

Floral architecture, breeding system, seed biology and chromosomal studies in endangered Himalayan Angelica glauca Edgew. (Apiaceae)

open access: yesCaryologia, 2019
Endangered Angelica glauca an important medicinal plant of temperate Himalaya is valued for its roots which are used to treat several diseases besides food flavouring.
Kamini Gautam, Ravinder Raina
doaj   +1 more source

Effects of therapeutants and temperature on pollen germination, pollen tube growth and fruit set in fruit crops : a thesis presented in partial fulfilment of the requirements for the degree of Master of Horticultural Science at Massey University [PDF]

open access: yes, 1980
This study involved assessments of therapeutant effects on pollination and fruit set; of temperature effects on pollen germination and pollen tube growth in apples, peaches and kiwifruits; of flowerage effects on pollen germination and pollen tube growth
Manandhar, Dwarika Narayan
core  

Origin, evolution and biogeographic dynamics of the European rabbit (Oryctolagus cuniculus) in Southwestern Europe

open access: yesThe Anatomical Record, EarlyView.
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley   +1 more source

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