Crop traits for water stress tolerance
Article Abstract:
Crops that germinate under low soil moisture, have a faster rate of emergence, are larger or have canopies to protect them from wind are better suited to survive under water stress conditions in the Northwest Pacific. Deep rooting capability and resistance to pests are added advantages. Short maturity period allows better grain fill under terminal moisture stress conditions, but limits the time required for biomass production and grain fill. Moisture stress decreases the number of tillers, seeds/spike, seeds/unit area, seed size and seed weight/unit volume in winter wheat plants.
Publication Name: American Journal of Alternative Agriculture
Subject: Business
ISSN: 0889-1893
Year: 1996
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A compendium of crop varietal tolerance to weeds
Article Abstract:
Although agricultural breeders have made great strides into increasing plants' resistance to agricultural pests and environmental stress, there has been little genetic research into increasing the tolerance of crops to weeds. This is unfortunate since 69% of the pesticides used annually in the US are herbicides. Twenty-one crops were examined in order to elucidate the characteristics that affect their resistance to weeds and a summary of those characteristics is presented. Research results indicate that the selection of genotypes resistant to weeds is very complex.
Publication Name: American Journal of Alternative Agriculture
Subject: Business
ISSN: 0889-1893
Year: 1992
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