Plant and Humans; Agriculture and Genetic Engineering Flashcards

1
Q

גורמים א-ביוטים

A

התכונות הפיזיות של בית הגידול: האקלים (משקעים, טמפרטורה, רוחות ולחות), הקרקע, המים, האור, החמצן והמינרלים. אלו הם גורמים א-ביוטיים, כלומר הגורמים שאינם אורגניזמים חיים.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

גורמים ביוטים

A

גורמים הביוטיים שהם כלל האורגניזמים החיים בבית הגידול.

לא התכונות הפיזיות של בית הגידול

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Heterosis

און כלאיים

A

The progeny of two genetically different parents often show enhanced growth. This effect is termed “Hybrid vigor”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Hybrid vigor

A

Heterosis, hybrid vigor, or outbreeding enhancement is the improved or increased function of any biological quality in a hybrid offspring. An offspring is heterotic if its traits are enhanced as a result of mixing the genetic contributions of its parents.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Norman Borlaug

A

“Father of the green revolution”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Significant accomplishment of 20th century

A

Development of lodging-resistant (Lodging is the bending over of the stems near ground level of grain crops, which makes them very difficult to harvest) and high-yielding semi-dwarf grain varients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

מה הנינוס של זני חיטה גרם?

A

הגדלת החלק של המוטמעים בזרעים

פחות השקעה בגידול הוגטטיבי

הגדלה משמעותית של יבול ליחידת שטח

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Vegetative Growth.

A

Vegetative Growth. The period of growth between germination and flowering is known as the vegetative phase of plant development. During the vegetative phase, plants are busy carrying out photosynthesis and accumulating resources that will be needed for flowering and reproduction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly