Control of Trichosanthes vine blight

Trichosanthes that is Trichosanthes kirilowii, alias balsam pear (Yueqing), hanging melon (Wenzhou Wencheng), old crow melon (Wenzhou). Root (traditional Chinese medicine named Trichosanthes), fruit (traditional Chinese medicine name Lou Shi), pericarp (Chinese medicine name Trichosanthes kirilowii), seed (Trichosanthes kirilowii), Cucurbitaceae Trichosanthes kirilowii is a perennial climbing herb, up to 10 meters long. Rhizome fleshy, Terete, bark yellow. Stems much branched, glabrous; leaves alternate, suborbicular or cordate, dioecious; male flowers several racemes, few solitary, Corolla lobes Obovate, female flowers solitary, ovary ovate, fruit nearly globose, orange-red when ripe, flowering period from July to November. Trichosanthes kirilowii has antipyretic and thirsty, diuretic, antitussive and expectorant effects. Seeds contain fat flower oil; fruits contain triterpenoid saponins, organic acids, resins, sugars and pigments; roots contain proteins, saponins and acids. It is distributed in most areas of our country.

Gualoupei has a warm and humid climate. More resistant to cold, not resistant to drought. It is better to choose sunny, deep, loose and fertile sandy loam for cultivation. It is not suitable for cultivation in low-lying land and saline-alkali land. It often grows under hillside forests, shrubs, grasslands and fields near villages at an altitude of 200-1800m, and is widely cultivated in natural distribution areas.

What is Trichosanthes vine blight?

Trichosanthes vine blight is one of the important factors restricting the development of Trichosanthes. The damage is mainly at the base of the stem, followed by the fruit. At the initial stage, it showed brown oil stains, slightly sunken and yellow-white glue, but after drying in the later stage, it showed reddish brown, the disease was dry, the surface was scattered with small black spots, and the vascular bundle did not change color. According to systematic observation, long-term low temperature, overcast and rain is beneficial to the occurrence of the disease, especially in continuous cropping fields.

How to prevent and cure Trichosanthes vine blight:

Focus on prevention and control at the seedling stage, you can use 40% DuPont Fuxing EC 800 times solution for stem base spray, or 5% fungus clear 300 times liquid 500 times solution for root irrigation or whole field spray, and control once every 4 times for 5 days, depending on the disease later.