Rice heat damage

Symptoms In the Yangtze River basin of China, the flowering and filling period of the early-season double-season rice coincides with the mid-summer high-temperature season. Rice often suffers from high temperature and heat damage, which causes rice seed settling rate to decline and rice quality deteriorates, affecting early rice production.

Etiology High temperature damage to rice plants is closely related to rice growth period. Many studies have shown that during flowering, high temperatures prevent the maturation of pollen, the cracking of anthers, the pollen germination on the stigma, and the elongation of pollen tubes. Therefore, the impertinence of Tingmin’s people is the most serious damage to rice. This period is rice. The sensitive period of high temperature, especially on the day of flowering, suffers from high temperature stress, which easily induces small flower infertility and causes fertilization disorder, which seriously affects the seed setting rate and yield. In recent years, due to the intensification of industrialization, the increase of human activities, and the effect of the greenhouse effect, the climate has gradually become warmer, and the frequency of high-temperature heat damage is increasing, which should attract attention in production.

Control methods (1) Selection of heat-resistant varieties. For example, Youzao No. 3, No. 9136, and Zhenyou oil accounted for in the japonica rice. The heat-resistant varieties of japonica rice are mainly concentrated in northern rice regions such as Liaoning, Jilin and Beijing. (2) Suitable sowing. Reduce the loss of rice during flowering by avoiding high temperature stress. (3) Advocate the use of more rare earth pure nutrients, 50g per 30ml of water per 667m2, spraying from grouting to booting, spraying once every 10-15 days, spraying 2-3 times.

Biocide Technical Ingredients

All water based products have plenty of nutrients and water to support microbe growth under favorable conditions.  Microbes invade water based products from multi-point sources, such as contaminated raw materials, poor plant hygiene, untreated water, and not properly preserved recycling materials.  While adding in-can preservatives into the products should not excuse a factory from Good Manufacturing Hygiene Practices (GMHP), proper use of in-can preservatives coupled with GMHP can dramatically minimize the chance of microbial tolerance development, and assure unspoiled products to customers. 

Biocides formulators often use several types of in-can preservatives as active ingredients in their biocidal products for various industrial water based products. One of these active ingredients is benzisothiazolone (BIT).  It has several distinct performance advantages, including good stability at high pH, good stability in the presence of reducing agents, and broad spectrum of activities against many microbes.  

Sunshine Biotech supplies to all industrial biocides formulators with high quality BIT technical ingredients. Besides of BIT, we also provide its derivative, like BBIT, MBIT etc.

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