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  2. Norman C. Deno - Wikipedia

    en.wikipedia.org/wiki/Norman_C._Deno

    Norman C. Deno (February 15, 1921 – September 22, 2017) was an American chemist and plant scientist. He was a professor of chemistry at Penn State University and is known as one of the foremost researchers in seed germination theory. He researched the biochemical reactions that underlie the germination of all seeds, performing germination ...

  3. Genetically modified crops - Wikipedia

    en.wikipedia.org/wiki/Genetically_modified_crops

    Increased concerns for resistance with seed mixtures include partially resistant larvae on a Bt plant being able to move to a susceptible plant to survive or cross pollination of refuge pollen on to Bt plants that can lower the amount of Bt expressed in kernels for ear feeding insects. [220] [221]

  4. Selection methods in plant breeding based on mode of ...

    en.wikipedia.org/wiki/Selection_methods_in_plant...

    Plant species where normal mode of seed set is through a high degree of cross-pollination have characteristic reproductive features and population structure. Existence of self-sterility, [ 1 ] self-incompatibility, imperfect flowers, and mechanical obstructions make the plant dependent upon foreign pollen for normal seed set.

  5. Pollination management - Wikipedia

    en.wikipedia.org/wiki/Pollination_management

    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 ...

  6. F1 hybrid - Wikipedia

    en.wikipedia.org/wiki/F1_hybrid

    F2 hybrids, the result of self or cross-pollination of F1s, lack the consistency of F1s, though they may retain some desirable traits and can be produced more cheaply because hand pollination or other interventions are not required. Some seed companies offer F2 seed at less cost, particularly in bedding plants, where consistency is less ...

  7. Ecosystem service - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_service

    An example of an ecosystem service is pollination, here by a honey bee on avocado crop. Ecosystem services are the various benefits that humans derive from healthy ecosystems. These ecosystems, when functioning well, offer such things as provision of food, natural pollination of crops, clean air and water, decomposition of wastes, or flood ...

  8. Fish emulsion - Wikipedia

    en.wikipedia.org/wiki/Fish_emulsion

    Since fish emulsion is naturally derived, it is considered an organic fertilizer appropriate for use in organic horticulture. In addition to having a typical N-P-K analysis of 5-2-2, fish emulsion adds micronutrients. [2] Fish emulsion, applied as a liquid fertilizer, is also used when growing roses to enhance the bloom color of the flowers. [3]

  9. Penn State College of Agricultural Sciences - Wikipedia

    en.wikipedia.org/wiki/Penn_State_College_of...

    Penn State Extension Services is the "extension" of the College of Agricultural Sciences that serves the general public. Extension Services were officially organized in 1907, assigned the nation's first county agent to Bedford County in 1910, and had full-time extension agents in sixty-two of the sixty-seven Pennsylvania counties by 1921.

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