Watermelon Line Ace Plus Pollenizer for Seedless Yield
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Solution Overview
Problem
Current watermelon cultivars face challenges in achieving high yield and quality due to issues with disease susceptibility, pollination efficiency, and space utilization, particularly in the production of seedless watermelons, which require effective pollen transfer and resistance to diseases like anthracnose and fusarium wilt.
Innovation Solution
Development of the watermelon line Ace Plus, an inbred diploid cultivar with early flowering, increased male flower production, and extended flowering period, providing resistance to anthracnose and fusarium wilt, and used as a pollenizer to enhance triploid seedless fruit production, along with methods for producing transgenic plants with desired traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If seeded watermelon plants are used as pollenizers, then pollen production is ensured, but space and resource utilization is reduced
Solution Approach 1:
The invention extracts the pollen production function from the seeded watermelon plant by using a specialized pollenizer variety that produces pollen in excess of its own fruit production needs. The pollenizer plant is dedicated solely to pollen production, allowing the main crop area to be devoted entirely to seedless watermelon production, thereby optimizing space utilization while ensuring reliable pollen supply.
2Productivity
If early-maturing seedless watermelon hybrids are used, then market timing is improved, but pollination timing must be precisely coordinated
Solution Approach 1:
The invention applies preliminary action by selecting a pollenizer variety with an extended flowering period that begins before the seedless watermelon hybrid reaches full flowering. This ensures that pollen is available in advance and continues to be produced throughout the critical pollination window, eliminating the need for precise timing coordination and reducing pollination risk in early-maturing hybrids.
3Reliability
If triploid watermelon plants are used for seedless fruit production, then fruit quality is improved, but pollen transfer requires separate diploid pollenizer plants
Solution Approach 1:
The invention creates a pollenizer variety that serves multiple functions: it produces pollen for triploid seedless watermelon plants, and its small fruit can be harvested as a byproduct. This multi-functionality reduces the complexity of the system by consolidating the pollen production function into a single variety that also provides economic return from fruit harvest, eliminating the need for separate dedicated pollenizer plants.
4Quantity of substance
If conventional pollenizer plants are used, then pollen supply is adequate, but they compete for space and resources with the main crop
Solution Approach 1:
The invention segments the field into distinct zones: a small perimeter area dedicated to pollenizer plants and the main interior area dedicated to seedless watermelon production. This segmentation allows adequate pollen supply from the perimeter pollenizers while minimizing their impact on the main crop's space and resource utilization. The pollenizer plants are strategically positioned to provide pollen without competing significantly with the main crop for central field resources.
Data Source
AI summary
A watermelon cultivar, designated watermelon line Ace Plus, is disclosed. The invention relates to the seeds of watermelon line Ace Plus, to the plants of watermelon line Ace Plus and to methods for producing a watermelon plant by crossing the watermelon line Ace Plus with itself or another watermelon cultivar. The invention further relates to methods for producing triploid, seedless watermelon fruit using watermelon line Ace Plus as a parent of the pollenizer plant. This invention also relates to watermelon cultivars or breeding cultivars and plant parts derived from watermelon line Ace Plus, to methods for producing other watermelon cultivars, lines or plant parts derived from watermelon line Ace Plus and to the watermelon plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid watermelon seeds, plants, and plant parts produced by crossing watermelon line Ace Plus with another watermelon cultivar.