1. Causes of flower and fruit drop There are several main reasons for white melon flower and fruit drop. First, the application of base fertilizer, especially the partial application of available nitrogen fertilizer, causes the branches and leaves to grow and inhibits the differentiation of flower buds; the second is that the long-term low temperature in the environment hinders the plant Growth and development; third, high humidity, saturated or over-humid soil moisture, which seriously affects the transpiration of leaves and the absorption of roots, causing pollen to be difficult to emit or to rupture pollen, which affects the fertilization rate; fourth is insufficient light , So that the nutrient is accumulated and watered, the sugar content is low, and the quality is poor.

2. Preventive measures 1. Improve the environment. First of all, the accumulated water in the soil should be removed in time to promote the germination of new roots. The plastic film should be opened in sunny days to keep warm and supplement the light, and promote the growth of plants. At the same time, pay attention to opening the greenhouse in rainy days. Side or greenhouse base film, so that it can supplement scattered light in rainy days.

2. Regulate the growth of vines. For plants that are already elongated, you can spray paclobutrazol, generally 40 grams of paclobutrazol per mu is mixed with 50 kg of water, or mepiquat 10 ml per mu, sprayed with 40-50 kg of water, can be obvious Inhibit the growth of vines of plants, can concentrate nutrients on fruit expansion, improve yield and quality.

3. Inducing sitting melon, you can use Zuogualing or Zuoguoling to treat the female flowers to make the sitting rate of more than 90%. In the afternoon of the first day of the female flowers or the day of opening, spray the fetus with 200 to 400 times of Zuogualing, or Apply 10-20 times Zugualing solution on the stalk, the effect is better, can obviously improve the rate of sitting.

4. Artificial-assisted pollination. White melon is a male and female flower growing on the same plant, and the female flower is a bisexual flower. In order to increase the rate of sitting melon and reduce the phenomenon of flower and fruit drop, artificial auxiliary pollination can be adopted. After picking the male flowers, apply their pollen to the stigma of the female flower. Generally, each male flower can pollinate 2~3 female flowers. , Pollination time is carried out at 7-9 am on a sunny day or 4-6 pm in the evening, and try to avoid the high temperature and strong light period.

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Digestive System

For the treatment of diseases of the digestive system:

Many symptoms can signal problems with the GI tract, including: abdominal pain, blood in the stool, bloating, constipation, diarrhea, heartburn, incontinence, nausea and vomiting and difficulty swallowing, according to the NIH.

Among the most widely known diseases of the digestive system is colon cancer. According to the Centers for Disease Control (CDC), 51,783 Americans died from colon cancer in 2011 (the most recent year for available data). Excluding skin cancers, colon and rectal cancer, or colorectal cancer, is the third most common cancer diagnosed in both men and women in the United States, according to the American Cancer Society.

Polyp growth and irregular cells, which may or may not be cancerous, are the most common development paths for colorectal cancers (also referred to as CRC), and can be detected during a routine colonoscopy, according to Dr. John Marks, a gastroenterologist affiliated with the Main Line Health health care system.

[The best news is that, if caught early enough, they can also be removed during the colonoscopy - eliminating the possibility that they grow further and become cancer," Marks said.

For those patients whose cancer has already spread, there are various minimally invasive surgical options that have extremely good prognoses. It is recommended that asymptomatic patients without a family history begin getting tested regularly between the ages 45 and 50, according to Marks. [Symptoms which may suggest that you need a colonoscopy at an earlier age include rectal bleeding and stool/bowel habit changes which last for more than a few days."

While CRC gets a great deal of attention, many diseases and conditions of the digestive system - including irritable bowel syndrome, diverticulitis, GERD (acid reflux) and Crohn`s disease - can be chronic and are difficult to diagnose and treat, according to Dr. Larry Good, a gastroenterologist affiliated with South Nassau Communities Hospital. [With many of these diseases, blood work and colonoscopies all looks normal, so there is an absence of red flags."

Many of the diseases of the digestive system are tied to the foods we eat, and a number of sufferers can reduce their symptoms by restricting their diets, Good said. [Of course no one wants to hear that they can`t eat certain foods, but many times, eliminating acidic things from the diet, such as tomatoes, onions, and red wine, can have an impact," Good said.

There are a number of tests to detect digestive tract ailments. A colonoscopy is the examination of the inside of the colon using a long, flexible, fiber-optic viewing instrument called a colonoscope, according the American Gastroenterological Association. Other testing procedures include upper GI endoscopy, capsule endoscopy, endoscopic retrograde cholangiopancreatography and endoscopic ultrasound.

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