نتایج جستجو برای: controlled pollination
تعداد نتایج: 389421 فیلتر نتایج به سال:
Pollination is a lynchpin anchoring multispecies survival, but in the racial capitalist configurations of condensed environment agriculture, pollination politics are informed by life-depleting and carceral logics, as well imaginaries steeped hierarchies sex binaries that ground future survival colonial, heteropatriarchal, normative terms. This article argues focused on intensifying agriculture ...
Pollination is critical to fruit production, but the interactions of pollination with plant resources on a plant's reproductive and vegetative features are largely overlooked. We examined the influences of pollination, irrigation and fertilisation on the performance of almond, Prunus dulcis, in northern California. We used a full-factorial design to test for the effects of pollination limitatio...
This study aimed to investigate the floral biology and pollination requirements of sesame (Sesamum indicum L.), cultivar CNPA G2. The study was carried out at Barbalha, State of Ceará, and consisted of two phases: floral biology and pollination requirements. Flowers were observed as for time of anthesis, lifespan and stigma receptivity, and were applied the following pollination treatments: ope...
The objective of this experiment was to evaluate self-compatibility of two late blooming almond cultivars and identification and introduction of suitable pollinizers from late flowering genotypes, and evaluation of pollen source effect on fruit characteristics to earn high quality nuts for Iranian almond industry. This experiment was carried out in order to determine the best pollinizer for two...
We have examined the effect of the protein phosphatase inhibitors okadaic acid and microcystin on pollen-pistil interactions in Brassica. Inhibitor-treated flowers or floral buds were pollinated with untreated pollen and examined for pollen tube growth by fluorescence microscopy. Our results show that type 1 or type 2A serine/threonine phosphatases play a crucial role in the pollination respons...
Theresa M. Culley* Stephen G. Weller Ann K. Sakai Dept of Ecology and Evolutionary Biology, University of California–Irvine, Irvine, CA 92697, USA. *e-mail: [email protected] Although much emphasis has been placed on specialist pollination systems, attention is shifting towards systems in which plants are visited by a variety of pollinators [1,2]. Until recently, examples of generalist pollinatio...
The importance of insects for global food crop production is starting to be well-known but the level dependence on less referenced, especially some aromatic crops. Fennel ( Foeniculum vulgare, Mill.) an mass-flowering cultivated in south France its essential oil that contains anethole. This compound and economical interest because anise flavour, which used elaborate drinks. Here, we have charac...
Linking Land Cover Data and Crop Yields for Mapping and Assessment of Pollination Services in Europe
Pollination is a key ecosystem service as many crops but in particular, fruits and vegetables are partially dependent on pollinating insects to produce food for human consumption. Here we assessed how pollination services are delivered at the European scale. We used this assessment to estimate the relative contribution of wild pollinators to crop production. We developed an index of relative po...
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