Repeated sexual failures cause social stress in fruit flies

Repeated failures to reproduce make fruit flies stressed and frustrated, which in turn makes them less resilient to other types of stress, Julia Ryvkin at Bar-Ilan University and colleagues report in PLOS Genetics.

Unraveling the complexity of melon-pumpkin graft collapse

Grafting melon (Cucumis melon L.) onto pumpkin (Cucurbita maxima Duch. Ă— Cucurbita moschata Duch.) rootstock is a method of improving yield but is challenged by the scion-rootstock incompatibility leading to plant collapse ...

Apple preharvest drop not linked to xylem functionality

Heat stress induces and accelerates leaf senescence, which is characterized by a loss of chlorophyll and cellular membrane deterioration, as well as oxidative damage). Leaf senescence can be exacerbated by the hormone ethylene, ...

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