Question

❤❤ Differenciate between biotic and abiotic resistance or stress??❤❤
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Answer 1

• Biotic stresses would include pathogens which cause diseases (fungi, bacteria, virus, and nematodes), insects which feed of plants, and weeds that compete and interfere with plant production.
• Abiotic stresses are negative impacts of non-living factors on the living crops and animals.
• They are environmental rather than biologic.
• The non-living variable must influence the environment beyond its normal range of variation to adversely affect the population performance or individual physiology of the organism in a significant way.

Abiotic stresses,

• are factors which are not of biological nature.

• Water relations such as flooding, drought, sunlight or wind damage, too high or low temperatures soil compaction, nutrient deficiencies and excesses, salinity and improper soil pH are all common abiotic stresses.

• Up to 50% of the potential yield and quality can be sacrificed from abiotic stresses and about half that can occur from biotic stressors.

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Answer 2

Biotic stresses include pathogen which causes diseases like fungi,bacteria or virus, insects which feed of plants and weeds that complete and interfare with plant production.

Abiotic stresses are nagative impacts of non living factors on living crops and animals.Abiotic stressors,are factors which are not biological nature.Water relations such as flooding,drought,inproper soil pH,etc. are the comman factors of abiotic stresses.

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