Growth is manifested in the increase in the girth of the trunk. This growth is due to the division of a meristematic tissue called a

The capacity of a cell cultured in vitro to regenerate into a plant

Production of various organs such as roots, shoot etc. from cells and tissue

The plant part to be cultured in vitro is known as

Removal of developing embryo from seed and its cultivation in vitro is called

The cultivation of apical meristems, particularly of shoot and apical meristem is known as

Vegetative multiplication through meristem culture is known as

The implantation of a meristem from another plant to a plantlet or sterile plant in

This refers to a group of cells, tissue or plant derived from a single mother cell, tissue or plant through asexual means and is expected to be genetically identical

A standard procedure of testing whether plant or plant tissue carry known diseases or not

A substance whether natural or synthetic that can modify growth

A planting originating from meristem or other organ isolated in vitro

The clonal true-to-type rapid propagation of plants in vitro is

A sterile plant with a functional roots and shoots developed in vitro is

The increased genetic variability brought about by tissue culture

Group of plant hormone that induces cell elongation and cell division

Any organic substance at low concentrations, promotes inhibits or modifies growth

Actively dividing non-organized tissues of undifferentiated and differentiated cells often developing from injury (wounding) or in tissue cultures

Organic compounds serving as a source of energy, including sugars, starches, and cellulose

The development of cells or tissues with a specific function and/or the regeneration of organs or organ-like structure (roots,shoots, etc) or embryo

Is the phenomena that, after a number of subcultures, cells can grow without the addition of hormones, although this was originally necessary

An undesirable phenomenon that sometime develops in culture appearing as overly succulent, crip water-logged or glassy tissues

Combining together a root stock and scion until they unite permanently

Example of plant propagated by root cutting

Air layering is also known as

In cleft grafting the wedge is located at the

Inarching is also known as

For rapid rate of multiplication the type of propagation generally practiced is

Method of plant propagation for discovery of new variety

The easiest method of artificial propagation

Type of germination when the cotyledon comes above the ground

The type of germination when the cotyledon comes above the ground

The treatment that removes the seed coat or alter it making it permeable to water

The placement of seeds between layers of either moist, sand, soil, or sawdust at light or low temperature so the action of water high and low temperature will soften the seedcoat

Term used to describe seeds of some plants that could be kept viable for longer periods, provided they are properly dried and stored

Term used to describe seeds od plants that could not be kept viable for a long time. It cannot withstand drying and should not permit to dry out before planting

Another term for propagating material

Slender specialized aerial stem that grows horizontally along the ground from the leaf axil at the base or crown that produce roots and leaf at the near tip

Method of artificial vegetative propagation involving regeneration of severed plant part (roots, leafs or stem, from the parent plant)

Type of cuttings consist of leaf blade, petiole, and short piece of the stem with an axillary bud

Type of grafting for overgrown stocks too large for other grafting operation

An specialized form of grafting in which a single detached bud is used as the scion

Method of artificial propagation when the plant part to be rooted is still attached from the parent plant which supplies the nutrients and moisture while the parts is rooting.

This type of layering was originated by the Chinese centuries ago

Method of artificial plant propagation when rootstock and scion are made to unite while both of them are still growing on their own roots

Sexual propagation is also known as

Marcotting is a method of

Propagation which preserve the characteristers of the parent plant

A properly dried seed can be stored for longer duration with high germination

An example of recalcitrant seeds

It is not an example of classes of seed recognized by the Philippines Seed Certification scheme

Cabbage, onion, carrots require

An example of biennial vegetable crop is

Which is not included as rogues in seed production

Theoretically, crops intended for seed production shall be harvested at the point of

Under the Philippine condition, what character is not routinely analyzed in the seed testing laboratory to become a certified seed

The inability of a viable seeds to germinate under favorable conditions

An example of monoecious plant

The scientist who formulated the Rule of Thumb in seed storage of seeds is

The best seed storage temperature for orthodox seeds at relatively low humidity is

Who is not the member of the National Seed Industry Council (the former Philippine Seedboard)?

Crops that normally produce quality seeds in temperate countries

The germination percentage of tomato after seed testing was 96 percent,therefore, the class of tomato seed is

In purity analysis of the seeds, pure seeds includes

What moisture content of the seed inhibit insect activity or little insect activity?

A white tag shall be attached to the bag of

An example of crop that needs light in order to germinate is

Is the removal of water from the soil through surface run-off by flow through the soil to underground spaces

This law changed National Seed Industry Council to the Philippine Seedboard to the National Seed Industry Council as per Republic Act No

In seed production, roguing shall be done several times at different stages of the crop development however, the best time is when the crop is in

The class of seed which is considered the purest in terms of varietal purity is

The tilling of the soil when it is saturated with water

It refers to the traditional system which begins with a primary tillage operation followed by several secondary tillage operations

Characterictics of a well prepared lowland field

The seeds are treated with fungicide before planting to protect them from soil-borne diseases that can cause poor seedling stand

It is a usual method employed by farmers in planting the seeds evenly into the field

Seedlings of rice on wet bed method are ready for transplanting in

Planting the seeds by distributing them individually in the row is called

Method of raising rice seedling where pre-germinated seeds are sown on cement or puddle soil covered with banana leaves or polyethylene plastic sheet. The raised seedlings are ready for transplanting in 10-14 days

A process done on the seedling which is started at 7 to 10 days before transplanting in which the seedlings are exposed to full sunlight and temporary wilting

A process done at 7 to 10 days before the vegetable seedlings are transplanted in which the full depth of the soil is cut with knife into blocks 5cm x 5cm to confine the roots in separate blocks

What is the germination percentage of corn,if only 180 normal seedling has germinated out of the 200 seed sown

The recommended seeding rate of peanut is 90 kilogram per hectare. How many kilogram seed is needed if the germinationtest is only 80 percent

Corn will be planted at spaced 75cm between rows and 50 cm between hills and will be maintained at 2 plants per hill. What is the plant population per hectare?

Following are ecological classification of plants according to water relations, except

The following are commercial varities of cacao, except

Diseases of perennial crops may be found in the roots, leaves, flowers, and fruits. Fungicides are resorted to when

Which of the following horticultural crops that can be used in the control of insect pests

What happens in the phloem

Sciophytes are also known as

"Cabuyao" is considered a variety of

In determining when to irrigate

Rose-sinensis is the species of this common ornamental plant

Which among these food crops is the most involved in the formulation of government policies on food security?

Phototropism is a growth response to unidirectional light which is probably influenced by a particular growth hormone

Dormancy is physiological effect of

Magat, Pasig, and Peñananda are all varieties of

Phenotype is determined by

In seed germination, the zygote which gives rise to the embryo if formed by the fusion of A

A rice floret has how many anthers