Search results
Results From The WOW.Com Content Network
For instance, hand-pollination is used with date palms to avoid wasting space and energy growing sufficient male plants for adequate natural pollination. Because of the level of labor involved, hand-pollination is only an option on a small scale, used chiefly by small market gardeners and owners of individual plants.
In 1841, Albius invented a method to quickly pollinate the vanilla orchid using a thin stick or blade of grass and a simple thumb gesture. Using the stick or grass blade, field hands lift the rostellum, the flap that separates the male anther from the female stigma, and then, with their thumbs, smear the sticky pollen from the anther over the ...
Zoophily, or animal pollination, is a method of pollination which utilizes animals as pollen vectors. In order for pollen to affix to animal bodies, a tryphine coating is usually present in zoophilous pollen to achieve an adhesive pollen grain. [1] Visual attractants of monocot flowers mainly come from the coloration of tepals.
The pollination process requires a carrier for the pollen, which can be animal, wind, or human intervention (by hand-pollination or by using a pollen sprayer). Cross pollination produces seeds with a different genetic makeup from the parent plants; such seeds may be created deliberately as part of a selective breeding program for fruit trees ...
With the decline of both wild and domestic pollinator populations, pollination management is becoming an increasingly important part of horticulture.Factors that cause the loss of pollinators include pesticide misuse, unprofitability of beekeeping for honey, rapid transfer of pests and diseases to new areas of the globe, urban/suburban development, changing crop patterns, clearcut logging ...
This leads to shifts in pollination syndromes and to some genera having a high diversity of pollination syndromes among species, suggesting that pollinators are a primary selective force driving diversity and speciation. [5] [6] Ophrys apifera is an orchid species that has a highly evolved plant-pollinator relationship. This specific species ...
Birds are mostly primary robbers and typically use their beaks to penetrate the corolla tissue of flower petals. The upper mandible is used to hold the flower while the lower mandible creates the hole and extracts the nectar. While this is the most common method employed by bird species, some steal nectar in a more aggressive manner.
Zoochory is the dispersal of seeds by animals and can be further divided into three classes. Endozoochory is seed dispersal by animal ingestion and defecation of a seed. In a mutualistic behavior, the animal is rewarded with nutritious fruit while harmlessly dispersing the seed or seeds, thereby increasing their fitness and chances for survival.