All of the following could be considered advantages of asexual reproduction in plants EXCEPT.

Options

A. sucess in a stable environment
B. Nucellar polyembryony
C. Vegetative reproduction
D. Parthenogenesis

Answer

To answer the question regarding the advantages of asexual reproduction in plants, we need to analyze the provided options and identify which one does not fit as an advantage.

### Step-by-Step Solution:

1. **Understanding Asexual Reproduction**: Asexual reproduction in plants involves the production of offspring without the fusion of gametes. This results in offspring that are genetically identical to the parent plant.

2. **Evaluating the Options**:
- **Option 1: Success in a Stable Environment**: Asexual reproduction is advantageous in stable environments because it allows for rapid population growth. Since the offspring are clones of the parent, they are well-suited to thrive in the same conditions.
- **Option 2: New-cellar Polyembryony**: This process involves the formation of multiple embryos from a single fertilized egg, leading to the production of several offspring. This is indeed an advantage as it increases the number of plants.
- **Option 3: Vegetative Reproduction**: This method involves the growth of new plants from parts of the parent plant (like stems or roots). While it can occur in unfavorable conditions, it is not necessarily an advantage because it often relies on the parent plant being damaged or cut.
- **Option 4: Parthenogenesis**: This is a form of asexual reproduction where an organism develops from an unfertilized egg. This can be advantageous as it allows for reproduction without the need for a mate.

3. **Identifying the Exception**: Among the options, vegetative reproduction stands out as it can be considered a disadvantage when the parent plant is damaged. Therefore, it does not fit the criteria of being an advantage of asexual reproduction.

4. **Conclusion**: The correct answer to the question is that vegetative reproduction is the option that does not represent an advantage of asexual reproduction in plants.

### Final Answer:
All of the following could be considered advantages of asexual reproduction in plants EXCEPT vegetative reproduction.