Method for preventing and treating flower rot of loquat
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A loquat flower and rot technology, applied in botany equipment and methods, horticulture, agriculture, etc., can solve the problems of reduced fruit setting rate, loquat flower panicle disease, poor frost resistance, etc., and achieve the effect of reducing freezing damage
Inactive Publication Date: 2019-02-19
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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Problems solved by technology
Due to the long flowering period of loquat, it often encounters rainy and strong low temperature weather during the flowering period, which makes loquat flower spikes very susceptible to the invasion of pathogens, resulting in poor frost resistance and reduced fruit setting rate
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Embodiment 1
[0023] In the loquat orchard of 'Ruantiaobaisha' located in the valley, the first time the drug was sprayed with 45% lime sulfur mixture crystallized 200 times liquid medicine at the flower bud stage in early October, spraying the whole tree and the ground at an amount of 100kg / mu to sterilize.
[0024] For the second time, before the frost comes in November, spray mancozeb 30% difenoconazole 5000 times for prevention and treatment, and spray until the flower spikes drip.
[0025] The third time was after the snow was frozen in early January with 1000 times control of iprodione 50% wettable powder, and sprayed until the flower spikes dripped.
[0026] For the fourth time, in the first ten days of February, 80% tebuconazole 4000 times liquid was sprayed for prevention and control until the flower spikes dripped.
[0027] The occurrence of flower ear rot disease of the whole tree after treatment is as follows: figure 1 As shown, the incidence rate of flower rot dropped to 2%, a...
Embodiment 2
[0031] In the 'Ninghaibai' loquat garden located at the bottom of the slope, spray the whole tree including the ground with 80% mancozeb wettable powder 800 times liquid agent at the bud stage in September for the first time. Sterilize.
[0032] Spray 50% captan wettable powder 800 times liquid wettable powder before the frost comes in early December for the second time for prevention, and spray until the flower spike drips.
[0033] The third time was to control with pyrimethanil 40% wettable powder 1000 times after the snow was frozen in January.
[0034]For the fourth time, in mid-February, 30% difenoconazole 5000 times wettable powder was sprayed for control until the flower spikes dripped.
[0035] The occurrence of flower ear rot disease of the whole tree after treatment is as follows: image 3 Shown, down to less than 5%.
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Abstract
The invention provides a method for preventing and treating flower rot of loquat, and relates to the technical field of the loquat cultivation. The method comprises the following steps: 1) in a flowerbud stage from the last ten-day of September to the beginning of October, spraying 45% of lime Sulphur or spraying 80% of mancozeb wettable powder or 75% of chlorothalonil wettable powder; 2) in a full-bloom last stage from the last ten-day of November to December, spraying 30% of difenoconazole or 50% of chlorotham wettable powder; 3) after a first blossom fall stage from the last ten-day of December to January, spraying 50% of isocarbamide wettable powder or 40% of pyrimethanil wettable powder by mass; and 4) in the first and middle ten-days of February in the next year, spraying 30% of difenoconazole or 80% of tebuconazole wettable powder. A scheme of the method is used, fruit clusters after the last ten-day of March are yellow, 95% of loquat spikes are healthy without a disease, freeze injury is greatly relieved, 6-8 fruits are set per spike in average, and a high yield is achieved.
Description
technical field [0001] The invention belongs to the technical field of loquat cultivation, and in particular relates to a method for preventing and treating loquat flower rot. Background technique [0002] Loquat is a special evergreen fruit tree in southern my country. It sprouts winter flowers in autumn, fruits in spring and ripens in summer. Loquat fruit is not only juicy and sweet, delicious and nutritious, but also has the functions of nourishing the lungs, clearing heat and invigorating the stomach, diuretic and nourishing, etc., and is deeply loved by consumers. Loquat has become the main fruit tree crop species in characteristic agriculture and profitable agriculture in some southern regions such as Zhejiang, and plays an important role in leisure and sightseeing picking. [0003] Loquat blooms and sets fruit in autumn and winter, and the flowering period is from October to February of the following year, and the flowering period is as long as 4 to 5 months. In nor...
Claims
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