Results 71 to 80 of about 2,778 (209)

PCR-based characterisation of entomopathogenic fungi for ecological studies [PDF]

open access: yes, 2008
The implementation of PCR-based tools for characterisation of organisms has greatly advanced our understanding of the phylogenies and species boundaries in entomopathogenic fungi, especially the widespread taxa Beauveria bassiana and Metarhizium ...
Meyling, Nicolai V.
core  

Yield and Economic Performance of Organic and Conventional Cotton-Based Farming Systems – Results from a Field Trial in India [PDF]

open access: yes, 2013
The debate on the relative benefits of conventional and organic farming systems has in recent time gained significant interest. So far, global agricultural development has focused on increased productivity rather than on a holistic natural resource ...
A Aris   +58 more
core   +3 more sources

Sustainable sweetpotato production in the United States: Current status, challenges, and opportunities

open access: yesAgronomy Journal, Volume 116, Issue 2, Page 630-660, March/April 2024.
Abstract Sweetpotato (Ipomoea batatas L.) is an important staple crop cultivated in over 100 countries, and the storage roots and vines provide food for humans and livestock. Sweetpotato consumption and demand for its value‐added products have increased significantly in the last two decades and have led to new cultivar development, expansion in acreage,
Justin George   +16 more
wiley   +1 more source

Potential of intercropping for management of some arthropod and nematode pests of leafy vegetables in Kenya [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2015
African leafy vegetables (ALVs) play an important role as income and food security crops in many households in Kenya. However, their potential in alleviating poverty and ensuring household food and nutrition security has not been fully exploited.
Linguya Kimaru S.   +3 more
doaj   +1 more source

Survey of Nematodes on Banana in Hawai'i, and Methods Used for Their Control [PDF]

open access: yes, 2009
Spiral, burrowing, reniform, root-knot, and lesion nematodes are found on banana roots in Hawaii. Heavy infestations can cause significant yield reductions.
Hooks, Cerruti R.R., Wang, Koon-Hui
core  

Stages of aestivation as a physiological state and the related biochemical composition in the grain chinch bug (Macchiademus diplopterus)

open access: yesPhysiological Entomology, Volume 49, Issue 1, Page 1-13, March 2024.
Aestivating M. diploterus has shown an increase in thermal tolerance as it progresses into and through its aestivation cycle (from November to June). Examination of physiological changes for survival was investigated by examining the insects' biochemical compositional changes as well as heat shock protein changes that occur over time.
R. Smit, L. G. Neven, S. A. Johnson
wiley   +1 more source

Biological parameters of the egg parasitoid Trissolcus grandis (Hym.: Scelionidae) on Eurygaster integriceps (Hem.: Scutelleridae) [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2011
Trissolcus grandis Thomson is a solitary egg parasitoid of Sunn pest, Eurygaster integriceps Puton. Although widely distributed, it has often been overlooked in field surveys. Our objectives were to develop an efficient rearing technique for T.
B. L. Parker, M. Amir-Maafi
doaj  

Thermal requirements of Trissolcus grandis (Hymenoptera: Scelionidae), an egg parasitoid of sunn pest

open access: yesEuropean Journal of Entomology, 2010
Trissolcus grandis is an important egg parasitoid of sunn pest, Eurygaster integriceps Puton (Hemiptera: Scutelleridae), the most serious pest of wheat in Iran. The thermal requirements of two populations of T.
Shahzad IRANIPOUR   +2 more
doaj   +1 more source

Drones: Innovative Technology for Use in Precision Pest Management. [PDF]

open access: yes, 2020
Arthropod pest outbreaks are unpredictable and not uniformly distributed within fields. Early outbreak detection and treatment application are inherent to effective pest management, allowing management decisions to be implemented before pests are well ...
de Lange, Elvira S   +3 more
core   +1 more source

Cover Crops for Orchards in Hawaii [PDF]

open access: yes, 1988
The most appropriate cover crop species and practices differ depending on the orchard site, type of tree crop, and stage of orchard development. Success with cover crops depends on proper selection of plant species and on skill in establishing and ...
Chia, C.L.   +2 more
core  

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