Container Watermelon Pollination System

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Solution Overview

Problem

Seedless watermelon production in home gardens is limited by the need for a separate pollenizer variety and requires specific cultural conditions, making it difficult for gardeners to successfully grow seedless watermelons due to sterility and germination challenges.

Innovation Solution

A method involving planting triploid seedless watermelon seeds alongside seeded pollenizer watermelon varieties in containers, ensuring the pollenizer produces male flowers in time to pollinate female flowers of the seedless variety, allowing for staggered fruit production over an extended season.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If seedless watermelon seeds are planted directly in home gardens, then fruit production is desired, but germination and early plant development fail due to special cultural requirements

Engineering Contradiction:

Improvefruit productionVSAvoidgermination and early plant development

Core Design Contradiction:

ProductivityVSEase of manufacture

Solution Approach 1:

The patent applies preliminary action by pre-germinating seedless watermelon seeds and growing them in containers under controlled conditions before transplanting to the garden. This preliminary cultivation step ensures proper germination and early development by providing the special cultural requirements (moisture, temperature, spacing) in a controlled environment before the plants are transferred to the home garden setting.

Inventive Principle:

Principle #10Preliminary action

2Productivity

If seedless watermelon variety is grown alone, then fruit production is attempted, but pollination fails due to sterility from triploid chromosomes

Engineering Contradiction:

Improvefruit productionVSAvoidpollination

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent applies merging by combining the seedless triploid watermelon variety with a seeded diploid pollenizer variety in the same home garden container. The seeded variety produces viable pollen that fertilizes the female flowers of the seedless variety, enabling fruit production. Both varieties are grown together in a coordinated manner where the seeded plants serve as pollinators for the sterile seedless plants.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If separate pollenizer variety is grown alongside seedless variety, then pollination is achieved, but garden space and management complexity increase

Engineering Contradiction:

ImprovepollinationVSAvoidgarden management

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the pollenizer function and seedless watermelon production into a single integrated garden system using containers. Both the seeded pollenizer variety and seedless variety are planted together in the same container space, allowing pollination to occur naturally while maintaining a manageable, space-efficient garden setup that doesn't require separate areas for different varieties.

Inventive Principle:

Principle #5Merging (Combining)

4Duration of action of moving object

If all watermelon varieties mature at the same time, then harvest is simplified, but season length is limited to a short period

Engineering Contradiction:

Improveseason lengthVSAvoidharvest management

Core Design Contradiction:

Duration of action of moving objectVSEase of operation

Solution Approach 1:

The patent applies local quality by selecting and planting different watermelon varieties with staggered maturity characteristics within the same container. Some varieties are chosen for early maturity while others mature later, creating a gradient of maturity times. This allows the gardener to harvest fruits over an extended season, with different varieties ripening at different times rather than all at once.

Inventive Principle:

Principle #3Local quality

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach enables home gardeners to produce both seeded and seedless watermelons throughout an extended season, overcoming the limitations of seedless watermelon sterility and cultural requirements, by ensuring consistent pollination and staggered fruit maturity.

Implementation Method 1

the at least one seedling of the seeded pollenizer watermelon variety produces male flowers in sufficient time to pollenize the female flowers of the at least one seedling of the seedless watermelon variety

Methodology Applied

Scientific EffectPollination:

Data Source

PatentEP3089576B1Methods and compositions for production of watermelon fruit

Publication Date: 2019.04.17 SYNGENTA PARTICIPATIONS AG

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Figure 5A~5B

AI summary

The invention provides containers comprising at least one or at least two seedlings or at least two vegetatively-propagated materials of at least one seedless watermelon variety and at least one seedling or at least one vegetatively-propagated material of a seeded pollenizer watermelon variety. The present invention further provides methods for producing watermelon fruit, optionally over an extended season, comprising planting together in a container at least one seedling or vegetatively-propagated material of a seedless watermelon variety and at least one seedling or vegetatively-propagated material of a seeded pollenizer watermelon variety, wherein the at least one seedling of a seeded pollenizer watermelon variety produces male flowers in sufficient time to pollenize female flowers of the at least one seedling of a seedless watermelon variety.