- 産業: Agriculture
- Number of terms: 29629
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Processes involved in the resistance of a plant to an insect, including nonpreference, antibiosis, and tolerance.
Industry:Agriculture
Removing weeds with the use of a mechanized interrow cultivator or other machines.
Industry:Agriculture
A loop-like bend in a river with a cliff or bluff on the outer curve and a gently shelving slope on the inner side of the bend. One of a series of approximately sinuous curves or windings in the course of a river or creek.
Industry:Agriculture
The sum of the squares divided by the corresponding degrees of freedom.
Industry:Agriculture
The average of a series of observations or measurements. The expected value of a statistical distribution.
Industry:Agriculture
Cropping to attain the greatest possible production per unit area in a given time without regard for the cost involved.
Industry:Agriculture
The stage when the rice grains in the panicle are yellow, fully developed, hard, and capable of sprouting.
Industry:Agriculture
A breeding method wherein a large number of plants having the desirable traits are harvested individually from a standing crop. The seeds from all selections are then bulked. From the bulk, a seed sample is taken and used to plant a population from which desirable plants are selected at maturity. The procedure is repeated for several cycles until the population becomes uniform and homogeneous. A variety developed by mass selection is fairly uniform and contains fewer genotypes than the original population.
Industry:Agriculture
Screening a large number of varieties in preliminary studies. Varieties selected as resistant in the mass screening trial are retested to confirm their resistance.
Industry:Agriculture
Rearing large numbers of insects, which serve as test organisms in varietal resistance studies.
Industry:Agriculture
