نتایج جستجو برای: phenological stages
تعداد نتایج: 187784 فیلتر نتایج به سال:
We tested the hypothesis that intensity and duration of Macrosiphum euphorbiae infestations in tomato depend on both age (phenological stage) host plant initial number aphids present colony. compared effects three levels infestation two phenological stages (pre-flowering flowering stages) curves. The position peak over time was significantly affected by phase. Populations M. reached highest abu...
Reproductive phenology is likely to vary spatially with environmental conditions that alter microclimate, in particular temperature. We hypothesized that within the same plant community type, environmental changes produced by recent burning would alter plant phenological patterns and temporal structure of the plant community. Specifically, we predicted accelerated flowering and fruiting dates i...
Climate warming strongly influences reproductive phenology of plants in alpine and Arctic ecosystems. Here, we focus on phenological shifts caused by experimental warming in a typical alpine meadow on the Tibetan Plateau. Under soil water stress caused by warming, most plants in the alpine meadow advanced or delayed their reproductive events to be aligned with the timing of peak rainfall. As a ...
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