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Rice Vocs

Rice Vocs
11
Jul

Medium grain size

If the length of grain is between 5.51 mm to 6.60 mm, then it is called medium grain.

11
Jul

Plumule

The embryonic leaves of the young plant in the embryo. It is enclosed by the coleoptile.

11
Jul

Medium

Substrate used for culture of fungi, calli, etc.

11
Jul

Median

The middle observation in a set of data such that half of the observations are larger and half smaller than it.

11
Jul

Plough-planting

The ploughing and planting of land in a single trip over the field by drawing both ploughing and planting tools with the same power sources.

11
Jul

Ploughless farming

Tilling soil without ploughing so that the crop residue will be left on the surface.

11
Jul

Mechanisms of resistance

Processes involved in the resistance of a plant to an insect, including nonpreference, antibiosis, and tolerance.

11
Jul

Mechanical weeding

Removing weeds with the use of a mechanized interrow cultivator or other machines.

11
Jul

Plough pan (hard pan)

A hard layer of soil at 15-20 cm depth developed through continuous ploughing at the same depth. It reduces downward water loss during flooding and prevents penetration of roots.

11
Jul

Meander

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.

11
Jul

Plough layer

The top 15-20 cm of soil normally ploughed or disturbed with tillage operations.

11
Jul

Mean square

The sum of the squares divided by the corresponding degrees of freedom.

11
Jul

Plough

A mouldboard type or dish type implement used for primary tillage. It is either animal-drawn or tractor-pulled.

11
Jul

Mean

The average of a series of observations or measurements. The expected value of a statistical distribution.

11
Jul

Maximum cropping

Cropping to attain the greatest possible production per unit area in a given time without regard for the cost involved.

11
Jul

Plot plan

A diagram showing the arrangement of plots in an experiment.

11
Jul

Plot

A measured piece of land within a given larger area. It is the unit on which experimental treatments are assigned at random in replicated trials.

11
Jul

Mature grain

The stage when the rice grains in the panicle are yellow, fully developed, hard, and capable of sprouting.

11
Jul

Pleiotropy

Mode of gene expression where the expression of one gene has multiple phenotypes. The effect of a single gene on two or more characters is due to a single biochemical pathway among the characters. Distinguished from linkage by the absence of recombinants in the segregating population.

11
Jul

Mass selection

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.

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