Results 41 to 50 of about 1,294,591 (248)

Live Branches on Pine Stumps Deter Pales Weevil Breeding in Michigan (Coleoptera: Curculionidae) [PDF]

open access: yes, 2017
Eastern white pine and Scotch pine stumps with living branches were unattractive to pales weevil for breeding. When feasible, leaving a few lower branches on Christmas tree stumps during harvest should prevent weevil ...
Corneil, Jeffrey A, Wilson, Louis F
core   +3 more sources

Development, Survival and Phenology of the Sweetclover Weevil Parasitoid, \u3ci\u3ePygostolus Falcatus\u3c/i\u3e (Hymenoptera: Braconidae) [PDF]

open access: yes, 2018
Biennial sweetclovers were widely used for soil improvement and as for- ages in the first half of the 1900s. The introduction of the sweetclover weevil, Sitona cylindricollis, caused a drastic decline in sweetclover acreage.
Milbrath, Lindsey R, Weiss, Michael J
core   +2 more sources

Rice Root Weevil in Haryana

open access: yes, 1980
This article 'Rice Root Weevil in Haryana' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems.
Kushwaha, K. S., Sharma, S. K.
openaire   +1 more source

Comparing Exogenous Methods to Induce Plant-Resistance Against a Bark-Feeding Insect

open access: yesFrontiers in Plant Science, 2021
Exogenous application of the plant hormone methyl jasmonate (MeJA) can trigger induced plant defenses against herbivores, and has been shown to provide protection against insect herbivory in conifer seedlings.
Yayuan Chen   +5 more
doaj   +1 more source

Phytophthora Related Diseases

open access: yesEDIS, 2009
PP262, a 2-page illustrated identification sheet by Megan Dewdney and Jamie D. Yates, can be used to identify four Phytophthora-related diseases of citrus–phytophthora foot rot, brown rot, phytopththora root rot, and diaprepes root weevil.
Megan M. Dewdney, Jamie D. Yates
doaj   +5 more sources

Clover Root Curculio Injury and Abundance in Minnesota Alfalfa of Different Stand Age [PDF]

open access: yes, 2017
Root injury and midsummer adult abundance of clover root curculio (CRC), Sitona hispidulus (Fabricius), was surveyed in 24 different aged southeastern Minnesota alfalfa fields. CRC presence was not detected in first year fields 2-3 months following stand
Cranshaw, Whitney S
core   +2 more sources

Early evolutionary history of the seed

open access: yesBiological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman   +2 more
wiley   +1 more source

Effects of elevated temperature and CO2 on aboveground-belowground systems: a case study with plants, their mutualistic bacteria and root / shoot herbivores

open access: yesFrontiers in Plant Science, 2013
Interactions between above- and belowground herbivores have been prominent in the field of aboveground-belowground ecology from the outset, although little is known about how climate change affects these organisms when they share the same plant ...
James Michael William Ryalls   +4 more
doaj   +1 more source

Root Weevil Insecticide Efficacy on Strawberry, 1996 [PDF]

open access: yesArthropod Management Tests, 1997
Abstract Treatments were replicated 4 times in a 2-year-old ‘Totem’ strawberry field in Burlington, WA. Plots measuring 3 rows wide and 25 ft long were arranged in a RCB design. Sprays were applied on 22 Jul with a field sprayer at 100 psi delivering 83 gpa of finished spray from a hand-held boom with 3 hollow cone D4-45 TeeJet nozzles ...
L. K. Tanigoshi   +2 more
openaire   +1 more source

Effects of Simultaneous Sitophilus zeamais and Prostephanus truncatus During Storage of Maize in Hermetic and Non‐Hermetic Conditions

open access: yesCereal Chemistry, EarlyView.
ABSTRACT Background Sitophilus zeamais (Mostschulsky), the maize weevil, and Prostephanus truncatus (Horn), the larger grain borer, are two notorious insect pests of farm‐stored products in Sub‐Saharan Africa (SSA). The goal of this study was to determine whether there were interactions between P. truncatus and S. zeamais during storage.
Rashid Suleiman, Kurt A. Rosentrater
wiley   +1 more source

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