How the antifungal sprays might be harmful to the plants. Concept introduction: For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

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Answer 1

Question

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

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Answer 3

Question

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

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Answer 4

Question

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

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Answer 5

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

Answer 6

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

Answer 7

Chapter 29, Problem 1SQ

Summary Introduction

To explain: How the antifungal sprays might be harmful to the plants.

Concept introduction:

For absorption process, many plants gain some significant surface areas through symbiotic associations with fungi. The plant roots and the associated fungus create a mutualistic structure called as mycorrhiza. The fungal filaments around the roots absorb water and the minerals much more rapidly than the roots that absorb alone.

Answer 8

Expert Solution & Answer

Explanation of Solution

The fungi and the plants have a symbiotic association with each other called mycorrhiza. The plant roots associated with fungus absorb water and minerals more than the normal plants. But there are some fungi that cause diseases. To get rid of fungal diseases, some antifungal sprays are used.

Plants that are unaffected by fungal diseases when they are exposed to fungicides may cause various effects on plant growth, photosynthesis, and nutrients. Some fungicides have copper that destroys the chloroplasts, affecting photosystem I (PSI) and the biosynthesis of chlorophyll. Also the symbiotic relation between mycorrhiza and plant root is damaged due to these fungicides. If the fungicides affect the mycorrhiza, the water and mineral absorption in plant reduces. It causes water and mineral deficiency in plants.

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 29 - Prob. 1SQ Ch. 29 - Which of the following activities of soil bacteria...Ch. 29 - Prob. 3SQ Ch. 29 - Prob. 4SQ Ch. 29 - Prob. 5SQ Ch. 29 - Prob. 6SQ Ch. 29 - Prob. 7SQ Ch. 29 - Prob. 8SQ Ch. 29 - Prob. 9SQ Ch. 29 - Prob. 10IMT

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