Results 111 to 120 of about 5,670 (235)

Effect of management spontaneous cover crop on rosy apple aphid, green apple aphid and their natural enemies in an apple organic orchard [PDF]

open access: yes, 2007
Cover crops have been reported as shelters for pest but also for natural enemies. Nevertheless, there is not agreement about their influence on pest presence on apple trees.
Alegre, Simó   +2 more
core  

Seasonal Activity and Abundance of Natural Enemies and Performance of Coccinella septempunctata on Rose Aphid, Macrosiphum rosae (Linn.) [PDF]

open access: diamond, 2017
Hafeez Ahmad   +6 more
openalex   +1 more source

Control of the apple sawfly Hoplocampa testudinea Klug in organic fruit growing and possible side effects of control strategies on Aphelinus mali Haldeman and other beneficial insects [PDF]

open access: yes, 2004
The effect of Quassia extract on eggs and larvae of the apple sawfly Hoplocampa testudinea was studied. The efficacy of this extract is mainly due to an oral toxicity to the neonate sawfly larvae.
C.P.W., Zebitz   +8 more
core  

Species Diversity of Aphids (Homoptera: Aphididae) and Coccinellids in Apple Orchards of Urmia, Northwest of Iran [PDF]

open access: yes, 2015
Abundance and diversity of aphid and coccinellid species were monitored in apple orchards in Urmia during 2010 and 2011. In this study, eight aphid species were collected and identified in 2010 and nine were found in 2011, while only two coccinellid ...
Hossein Ranji   +2 more
core   +1 more source

Variation in aphid complex influx and predatory dynamics in wild crucifers

open access: yesThe Indian Journal of Agricultural Sciences
The present study was carried out during the winter (rabi) season of 2019–20 and 2020–21 at ICAR-Indian Agricultural Research Institute, New Delhi to examine the population densities of different aphid species and predatory beetle, Coccinella ...
TANMAYA K BHOI   +3 more
doaj   +1 more source

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