-
Causes and Control Methods of Wheat Variety Mixing and Degeneration
Causes and Control Methods of Wheat Variety Mixing and Degeneration
-
What to Do About Potato Variety Degeneration? Detailed Prevention Measures
Preventive Measures for Potato Variety Degeneration
-
What to do about varietal degeneration in yam? Causes and solutions
Causes of varietal degeneration in yam and solutions
-
What to Do About Sweet Potato Quality Degeneration? Cause Analysis and Prevention Measures
Causes of Sweet Potato Quality Degeneration and Prevention Measures
-
What to Do About Purple-Skinned Garlic Degeneration? Causes and Control Measures Explained
Causes of Purple-Skinned Garlic Degeneration and Control Measures
-
Forecast for the occurrence trend of the first generation of the striped stem borer in rice is released
1. Occurrence level: The first generation of the striped stem borer, the main rice pest in our city, is expected to occur at a moderate-to-severe level, with the affected area in the city reaching more than 250,000 mu, of which more than 50,000 mu are early-planted idle fields. 2. Occurrence period: Moths seen under light on April 11, the beginning of the peak moth emergence period 5/9-12, the peak moth emergence period 5/20-24; the peak egg hatching period 5/27-5/30, the peak period of first and second instar larvae 6/4-6/10, the occurrence period is 3 days later than the average of the past three years. 3. Forecast basis 1. Development progress: This year 4/2
-
Causes of Potato Degeneration and How to Prevent It
(1) Causes of Potato Degeneration When potatoes are planted in spring in the hot summer regions of the south, after one or several years the yield gradually declines, and there may even be no harvest at all; this phenomenon is called potato degeneration. The direct external cause of potato degeneration is damage by viruses. Common ones in the south include mosaic virus, leafroll virus, common mosaic virus and spindle tuber viroid. These viruses are transmitted through mechanical friction, aphids, leafhoppers or soil nematodes and other vectors, infecting the plants and causing degeneration. High temperature is the indirect external cause of potato degeneration.
-
Scientific control methods for the first-generation Asiatic rice borer (Chilo suppressalis) in rice
According to surveys conducted across Hubei Province, the overwintering mortality rate of the Asiatic rice borer this year was higher than last year, and the post-winter population base was lower than last year but still relatively high. In addition, suitable climate conditions and the expansion of high-quality rice varieties are both favorable to the occurrence and damage of rice stem borers, and the first-generation Asiatic rice borer will show a major outbreak trend in the rice-growing areas of our province, making the control situation still severe. In response to this severe situation, all localities should strengthen leadership, raise awareness, actively organize control efforts, and quickly launch a campaign to wrest grain from the pests to ensure the safety of grain production. 1. Recognize the situation clearly and strengthen organizational leadership. Last winter, our province suffered freezing ice and
-
A Detailed Guide to the Stubble-Cutting Regeneration Cultivation Technique for Eggplants
Many years of practice have proven that stubble-cutting regeneration cultivation of eggplant plants is an effective measure for increasing yields, lowering production costs, boosting economic returns, and regulating the peak and off seasons for eggplants. This technique is simple and easy to carry out, and its methods are as follows. 1. Timing of stubble cutting. In spring and autumn, eggplants fetch high prices but yields are low, while in midsummer they enter a period of high yields and low prices. Therefore, the height of summer when the dog days begin is the best time to cut back eggplant plants. In addition, eggplants have the characteristic that the fruits of the main-stem eggplant, the first eggplant, and the four-direction eggplant are large and plump, while the fruits on the upper part of the plant are small and thin and are not welcomed by the market. Through cutting back the plants for regeneration, the high-yield, low-price period is pushed back by exactly 30-40 days, and when the market is short of eggplants, the regenerated eggplants from cutting back are in exactly their high-yield, high-price period, so the high-yield, low-price period for eggplants is the best time for cutting back the plants.
-
Why is the nipplefruit also called "five generations under one roof" and "golden fruit"
Aliases: five generations under one roof, golden fruit, five sons paying birthday respects. Family and genus: an evergreen small shrub of the genus Solanum in the family Solanaceae. Morphological characteristics: the fruit of the nipplefruit is golden yellow with a peculiar shape; its flowering and fruiting period is summer and autumn, and the fruiting period is long, especially after leaf fall in early winter, because its fruit does not change color or shrink, making it unique and attractive. It is an upright branching small shrub, usually grown as an annual, with a plant height of 0.5--1.5 m, relatively sparse leaves, and the whole plant covered with waxy yellow flat spines. Its flowering and fruiting period is summer and autumn; before flowering, the flower buds often droop, and when fully open they are slightly upright, with 5 purple flowers
条件筛选