FUT9M2AB

2840

26 janvier 2021 17:16

22 mars 2021 10:20

Pollinators are on the decline and loss of flower resources play a major role. This raises concerns regarding production of insect-pollinated crops and therefore food security. There is urgency to mitigate the decline through creation of farming systems that encourage flower-rich habitats. Cowpea is a crop that produces pollen and nectar attractive to pollinators. Twenty-four cowpea varieties were planted, and the number of pollinators were counted using three sampling methods: pan traps, sticky traps, and direct visual counts. Five pollinator types (honey bees, bumble bees, carpenter bees, wasps, and butterflies and moths), 11 and 16 pollinator families were recorded from direct visual counts, pan and sticky traps, respectively. Pollinator distribution varied significantly among varieties and sampling methods, with highest number on Penny Rile (546.0 ± 38.6) and lowest (214.8 ± 29.2) in Iron and Clay. Sticky traps accounted for 45%, direct visual counts (31%), and pan traps (23%) of pollinators. Pollinators captured by pan traps were more diverse than the other methods. The relationship between number of pollinators and number of flowers was significant (r2 = 0.3; p = 0.009). Cowpea can increase resources for pollinators and could be used to improve pollinator abundance and diversity in different farming systems.

None

• AB - Utile à l'AB
• FREDO durabilité
• FREDO environnement
• GEO Etats-Unis
• biodiversité

• vigna unguiculata
• cowpea
• flower resources
• intercropping
• pollinator
• pollinator decline

Insects

12

54

2021/1

24 janvier 2021

10.3390/insects12010054 Le DOI est une URL unique de référencement d'une publication. Il est donc plus fiable et permanent qu'une URL classique