Results 171 to 180 of about 217,003 (367)
Promising new parasite of the Egyptian alfalfa weevil imported from southern Iran
California Agriculture, 1961 The Egyptian alfalfa weevil—Hypera brunneipennis (Boh.)—has become an increasingly serious pest of alfalfa in southern California during recent years. In 1961 weevil populations were the heaviest on record, and in the Imperial Valley alone many thousands
R van den Bosch +3 more
doaj
PLoS ONEWhen insects harm plants, they activate relevant enzyme systems for defense, and changes in enzyme activity, to a certain extent, reflect the host plant's ability to resist insect damage.
Hui Liu +4 more
doaj +1 more source
Combined Transcriptome and Metabolome Analysis of Alfalfa Responses to Aphid Infestation
AgricultureAlfalfa (Medicago sativa L.) is an economically important forage legume. As a result of the extensive and intensive cultivation of alfalfa planting and the gradual expansion of planting areas, pest occurrence has increased in frequency. Aphids are one of
Hao Liu +10 more
doaj +1 more source
Natural Enemies of Alfalfa Weevil, \u3ci\u3eHypera Postica\u3c/i\u3e (Coleoptera: Curculionidae), in Minnesota [PDF]
, 2017 Alfalfa weevil, Hypera postica, is present throughout Minnesota. How- ever, economically damaging populations seldom occur, due to a combination of natural enemies and adverse climatic conditions.
Flanders, Kathy L +2 more
core +1 more source
POLLINATION OF ALFALFA BY BEES OF THE GENUS MEGACHILE. TABLE OF CANADIAN SPECIES OF THE LATIMANUS GROUP [PDF]
, 1918 F. W. L. Sladen
openalex +1 more source
WIMANET: The Power of a Network in Wildlife Malaria Research
Integrative Zoology, EarlyView.The Wildlife Malaria Network (WIMANET) is an EU‐COST funded global network of researchers and stakeholders interested in wildlife malaria and related haemosporidian parasites. In this paper, we review WIMANET's activities to date. We hope this encourages new members to join the network and motivates both new and existing members to participate in its ...
Alfonso Marzal +15 more
wiley +1 more source
Distribution of an Exotic Pest, \u3ci\u3eAgromyza Frontella\u3c/i\u3e (Diptera: Agromyzidae), in Manitoba, Canada. [PDF]
, 2018 Agromyza frontella is an exotic alfalfa pest from Europe that was first detected in North America in 1968 and has since spread westward into Ontario and the north central United States. Informal surveys had detected A.
Gavloski, J. +4 more
core +1 more source
Effect of tillage method on early root growth of Miscanthus
Annals of Applied Biology, EarlyView.In‐situ, sub‐soil cameras were used to capture root growth and turnover during the establishment period for field‐grown Miscanthus planted with minimum tillage and no‐tillage methods. No tillage promoted higher root length density and thinner roots in the subsoil, providing potential for improved resource acquisition and soil carbon sequestration.
Amanda J. Holder +2 more
wiley +1 more source
Predicting field diseases caused by Sclerotinia sclerotiorum: A review
Plant Pathology, Volume 72, Issue 1, Page 3-18, January 2023., 2023 This scoping review synthesizes current quantitative insights into the role of the environment on the life cycle of S. sclerotiorum and the relationships between its life stages and final disease expression under field conditions. Abstract Predicting diseases caused by Sclerotinia sclerotiorum in field crops remains difficult, and published literature ...
Jonathan Reich, Syama Chatterton
wiley +1 more source