A. Kotowski (1926)
B. Germ (1949)
C. Deloucle & Baskin (1972)
D. Moore (1973)
Correct Answer: Kotowski (1926) ✔
Last Updated: March 30, 2019
Related MCQs
- Who gave the formula for mean germination time?
- Who showed a positive correlation between tetrazolium staining with seed quality in soybean seeds ?
- Who described. the use of letrazolium for assessing, seed quality and the basis of topographical patterns__________?
- Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of__________?
- In pulses, for the production of nucleus seed we require minimum of__________?
- In fanning system cultivation of two or more crops is known as__________?
- The role of boron and zinc has been recognized in crop__________?
- A region with an annual rain fall of less than 10 inches comes under__________?
- Plants that can tolerate drought are__________?
- The plants which grown on stream bank are__________?
- The environment where an organism lives is__________?
- What is catchment__________?
- In Raygistan area which districts of Sindh are included__________?
- AZR1 is__________?
- A long severe winter and short summer is called__________?
- Hot with a cool winter is__________?
- Which province the only source of income is livestock grazing in range lands__________?
- When the course of water is blocked at some places if is called__________?
- PASSCO stands for__________?
- Sugar beet belongs to family ?
- The crops which are grown to reduce the soil erosion and natural losses by leaching is known as__________?
- The actual amount H2O present in the air is called__________?
- Losses of soil moisture vapour form is called as__________?
- Field capacity and permanent wilting point are different indifferent__________?
- The Indus basin irrigation system has__________?
- Organisms which feeds on dead and decaying organisms are called as__________?
- Simple plains that lack photosynthesis pigments are called as__________?
- Fumigating and warming soil by covering it with black plastic is called__________?
- A gas produced by anaerobic decomposition of organic compounds is called as__________?
- Green vegetables are the source of__________?
- Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of__________?
- Plants grown in dry region are__________?
- The ratio of actual cultivated’ area to a total farm area over the year is called __________?
- Accumulation of transported material A to B horizon is known as__________?
- Removal of cellular water followed by shrinkage of protoplasm is due to
- Geographical area of Pakistan in million hectare is__________?
- The equipment used for separating, cleaning and grading small seeds from given sample is__________?
- The enzyme responsible for biological nitrogen fixation is__________?
- The major source of foreign exchange earning is__________?
- Green revolution came into being due to evolution of__________?
- Root nodules in plants help in__________?
- Excess of nitrogen to plants causes__________?
- Penetrometer are used for measuring__________?
- 2,4-d is synthetic herbicide derived from__________?
- In wheat total crop P uptake per ton of gram is about;__________?
- N mineralization is effected by soil pH__________?
- Low soil pH is the indication of__________?
- The K is predominantly in__________?
- In Pakistan the area effected due to water erosion is about__________?
- In Pakistan, the total length of canal system exceeds__________?
- Number of crops grown on the same piece of land in a year and expressed in percentage is known as__________?