Hand-held pneumatic hybrid rice seed production pollinator and method thereof

Abstract

The invention discloses a hand-held pneumatic hybrid rice seed production pollinator and a method thereof. The pollinator includes a walk-behind power chassis, a lifting assembly, a pneumatic pollination assembly, and a control assembly. The airflow velocity of each air blowing pipe and the relative position of the fringe of the male parent are adjusted through the control assembly and the lifting assembly, respectively. The pneumatic pollination assembly is equipped with multiple air blowpipes with one row less than the number of hybrid rice seed production male parents. During pollination, each air blowpipe is located between the rows of the corresponding two rows of male parents. The directional, uniform, and constant-speed airflow at the mouthpiece blows the pollen off the stamens and transports the pollen to the female compartment, and the airflow velocity of each air blowpipe is different to ensure that it transports the pollen to the specific female parent area, thus realizing a large line ratio system. Efficient and uniform pollination during planting, and compact structure of the whole machine, meet the current mechanized pollination requirements for large-scale large-row ratio seed production of hybrid rice.

Description

technical field [0001] The invention relates to a hand-held pneumatic pollination machine for hybrid rice seed production, in particular to a pneumatic pollination device and method for large-scale seed production and planting with a large row ratio of parents. Background technique [0002] China is the birthplace of hybrid rice and the main production area of ​​hybrid rice. In 2017, the national hybrid rice seed production area was about 160,000 hectares, with an annual seed production of more than 280 million kilograms. Seed production has achieved scale. However, pollination is an operation with strong technical requirements, high precision requirements and tight time requirements. The flowering period of rice pollen is short, and the full flowering period is only 7 to 10 days. Generally, the flowering time is only 1.5 to 2 hours in a day, and the pollination must be completed within a limited time. Artificial assisted pollination includes manpower and mechanical pollina...

AI Technical Summary

Problems solved by technology

[0003] The invention aims to solve the problem of lack of mechanized pollination equipment for hybrid rice seed production at present, and to meet the needs of large-scale large-row ratio seed production, and provides a hand-held pneumatic hybrid rice seed production pollinator, which can shed pollen through each air blowing tube and Directional transport to act on the corresponding female parent area to achieve directional, uniform and efficient pollination

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