A flue-cured tobacco management and curing method based on betaine application to alleviate gray smoke
A management method and betaine technology, applied in the fields of tobacco, application, and treatment of tobacco, to achieve the effect of convenient field operation, low cost, and improved health
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Embodiment 1
[0078]A flue-cured tobacco management method based on betaine application to alleviate gray tobacco, including the following steps:
[0079]1) Identification of the gray level of tobacco leaves and one-time spraying: Identify the tobacco plants that produce gray smoke, and divide the disease degree of gray flue-cured tobacco into six levels as follows:
[0080]Grade 0: The whole leaf is disease-free;
[0081]Grade 1: The main veins or branch veins are scattered with gray and black spots, not exceeding 5% of the leaf area;
[0082]Level 2: Gray-black spots account for 5%-15% of the leaf area;
[0083]Level 3: Gray-black spots account for 15%-30% of the leaf area;
[0084]Grade 4: Gray-black spots account for 30%-45% of the leaf area;
[0085]Grade 5: Gray-black spots account for more than 45% of the leaf area;
[0086]Grade 6: Gray-black spots account for more than 45% of the leaf area, and gray-black spots appear on the petiole and spread to the stem;
[0087]When classifying tobacco plants that produce gray ...
Embodiment 2
[0099]A flue-cured tobacco management method based on betaine application to alleviate gray tobacco, including the following steps:
[0100]1) Identification of the gray level of tobacco leaves and one-time spraying: Identify the tobacco plants that produce gray smoke, and divide the disease degree of gray flue-cured tobacco into six levels as follows:
[0101]Grade 0: The whole leaf is disease-free;
[0102]Grade 1: The main veins or branch veins are scattered with gray and black spots, not exceeding 5% of the leaf area;
[0103]Level 2: Gray-black spots account for 5%-15% of the leaf area;
[0104]Level 3: Gray-black spots account for 15%-30% of the leaf area;
[0105]Grade 4: Gray-black spots account for 30%-45% of the leaf area;
[0106]Grade 5: Gray-black spots account for more than 45% of the leaf area;
[0107]Grade 6: Gray-black spots account for more than 45% of the leaf area, and gray-black spots appear on the petiole and spread to the stem;
[0108]When classifying tobacco plants that produce gray ...
Embodiment 3
[0120]A flue-cured tobacco management method based on betaine application to alleviate gray tobacco, including the following steps:
[0121]1) Identification of the gray level of tobacco leaves and one-time spraying: Identify the tobacco plants that produce gray smoke, and divide the disease degree of gray flue-cured tobacco into six levels as follows:
[0122]Grade 0: The whole leaf is disease-free;
[0123]Grade 1: The main veins or branch veins are scattered with gray and black spots, not exceeding 5% of the leaf area;
[0124]Level 2: Gray-black spots account for 5%-15% of the leaf area;
[0125]Level 3: Gray-black spots account for 15%-30% of the leaf area;
[0126]Grade 4: Gray-black spots account for 30%-45% of the leaf area;
[0127]Grade 5: Gray-black spots account for more than 45% of the leaf area;
[0128]Grade 6: Gray-black spots account for more than 45% of the leaf area, and gray-black spots appear on the petiole and spread to the stem;
[0129]When classifying tobacco plants that produce gray ...
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