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Research Domain

11
Jul

Primary tillage

Initial cutting of soil where a crop has been grown or harvested. It is commonly referred to as ploughing

11
Jul

Primary root system

The first root and its branches.

11
Jul

Primary panicle branches

The structures arising from the panicle axis. They bear the secondary branches and primary spikelets.

11
Jul

Primary leaf

The first seedling leaf, without a blade.

11
Jul

Primary inoculum

Pathogen or a part such as spores, fragments of mycelium, etc. That can cause primary infection in a life cycle.

11
Jul

Primary infection

First infection by a pathogen after going through a resting or dormant period.

11
Jul

Primary growth

Growth initiated by the stem and root meristems.

11
Jul

Primary

1) Essential or related to first principles, the first objectives. 2) The first plant parts such as the root, leaf and tillers (e.g. Primary leaf, primary tillers).

11
Jul

Preventative measures

Actions taken in advance to prevent any undesirable effects from lack of nutrients or pests and diseases.

11
Jul

Prepotency

Capacity of a parent to impress characteristics on its offspring so that they are more alike.

11
Jul

Preplant herbicide

A herbicide applied before the crop is planted.

11
Jul

Preparatory tillage

Preparatory tillage refers to tillage operations that are done to prepare the land for raising crops. It consists of deep opening and loosening of the soil to bring about a desirable tilth as well as to incorporate or uproot weeds and crop stubbles. Preparatory tillage is further divided into Primary tillage and Secondary tillage.

11
Jul

Preliminary trial or experiment

A test or trial to gain initial information that can be used in more detailed and critical experiments later.

11
Jul

Pregermination

The process of making the seed sprout before sowing or direct seeding. Soaking and incubating the seed hasten sprouting.

11
Jul

Pregerminated seeds

Seeds soaked in water for 24 hours and incubated for 24-48 hours until sprouting is visible.

11
Jul

Preference

An insect's choice to feed on, oviposit in, or use as shelter a resistant variety.

11
Jul

Pre-emergence

The period after sowing before the germination of the seed.

11
Jul

Predator

An animal that attacks and feeds on the other animals, such as a bird or spider which feeds on many different species of insects and attacks a number of prey by quickly eating or sucking their body fluids.

11
Jul

Predation

A direct attack and feeding of one organism on a second organism, the predator typically being larger than its prey.

11
Jul

Precipitation

1) Formation of a solid from a solution as a result of a physical or chemical change. 2) A deposit on the earth of hail, mist, rain, sleet or snow. 3) The quantity of water deposited.

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