-
Pear Tree Spring Pest Control Methods and Technical Key Points
Pear tree spring pests and diseases include: pear fruit borer, aphids, red spider mites, pear psylla, stink bugs, leaf-mining mites and black spot disease, etc. Timing and measures of control: from early spring to before flower buds swell, clean the orchard and scrape tree bark. Lay plastic sheeting under the tree, then scrape off the raised and coarse bark on the trunk and large branches, but do not damage the new bark. For the coarse vertical bark at the branch forks, scrape carefully. Collect the scraped bark, larvae, eggs, etc. and bury them deep or burn them. Knock down dead leaves and remaining dried fruit from the tree and remove them from the orchard for destruction, then spray the whole tree once with lime sulfur mixture.
-
How to prevent and control silver leaf disease in pear trees? Growers need to master these methods
In recent years, silver leaf disease has commonly occurred in pear trees in some areas of our city. This disease is a devastating fungal disease, and when it occurs severely, it can cause pear orchards to decline within a few years. After becoming diseased, pear trees weaken in vigor. Yield decreases, and severely diseased trees die 2-3 years later, seriously affecting pear production
-
How to prevent late spring cold damage during the pear tree flowering period
Spring late cold spells and frosts are very harmful to pear trees. Generally, when pear trees encounter a low temperature of -4.0°C at the bud stage or -2.3°C to -2.9°C at the flowering stage lasting more than half an hour, the flower organs will suffer freezing damage, usually manifested as poor pollination, dried and dead stigmas, and browned filaments or
-
What to Do When Muskmelon Gets Gummy Stem Blight? A Detailed Guide to Prevention and Control Methods
Muskmelon, the fruit of a Cucurbitaceae plant, has fleshy fruit with multiple locules and numerous seeds, much like a berry, but the receptacle and exocarp of these fruits fuse together, often forming a thick outer rind, and in classification they are specifically called pepos, of which muskmelon is a typical example. Muskmelon gets gummy stem blight
-
How to Store Lemons and Prevent Disease: A Detailed Guide to Practical Methods
Lemon, also known as ningguo, foreign lemon, yimu fruit, etc. Because its taste is extremely sour, pregnant women with liver deficiency like to eat it most, so it is called yimu fruit or yimu zi. Lemon is rich in citric acid, so it is known as a citric acid warehouse. Because the taste is especially sour, it can only be used as a top-grade seasoning.
-
A Detailed Explanation of the Causes of Empty Chestnuts and Their Prevention and Control Methods
Chestnut, also known as li, chestnut, chestnut seed, fengla, is a plant of the genus Castanea in the family Fagaceae, native to China, distributed in Vietnam, Taiwan, China and mainland China, growing in areas at an altitude of 370-2800 m, mostly found in mountainous areas, and has been widely cultivated artificially. Chestnuts are nutritious
-
How to prevent and control hydrangea viral disease? Detailed daily care methods
The hydrangea is native to Japan and the Sichuan area of China. It was introduced to the UK in 1736. In Europe, cultivation is relatively common in the Netherlands, Germany and France, and red, blue, purple and other colored hydrangea varieties can be seen in flower shops. There are also quite a few hydrangeas planted in the ground in small courtyards and in front of buildings. Ger
-
Rose Care Methods and Rust Disease Prevention Tips
Rose (scientific name: Rosa rugosa), native to China. Belongs to Rosales, Rosaceae, a deciduous shrub, branches with many prickles, odd-pinnate compound leaves, leaflets 5-9, oval-shaped, with marginal prickles. Petals obovate, double to semi-double, flowers purple-red, white, fruiting period
-
Integrated Prevention and Control Methods and Technical Key Points for Prickly Ash Diseases
Prickly ash (scientific name: Zanthoxylum bungeanum Maxim.), also known as hui, dajiao, Qin pepper, Shu pepper, Chuan pepper or mountain pepper. It is a deciduous shrub or small tree of the genus Zanthoxylum in the Rutaceae family, and can be planted as a solitary specimen or used as a protective thorn hedge. Its fruit peel can be used as a seasoning, and aromatic
-
How to scientifically prevent and control Fusarium wilt and stem spot blight in sesame
I think many people are very familiar with sesame. Sesame has many benefits: it can be made into all kinds of small pastries, and it can also be pressed into sesame oil. So sesame has a great many uses and benefits, and for this reason sesame cultivation is gradually becoming more common now.
条件筛选