Brown rice has more thiamin than milled rice, but tends to become rancid in storage and leads to digestive disorders. Much of the milled rice sold in the U. S. is enriched by the addition of vitamins and minerals before packaging. Caused by sclerotinium and other fungi Attacks young seedlings in warm weather Severe infection kills rice Rice sown early to avoid this Immediate submergence will check the disease Some fungicides also provide good protection 2. Brown leaf spot. Resistant varieties may be only satisfactory control Seed treatment may protect against seeding blight Insects 1.
Rice stink bug.
Sucks out contents of kernel during the milk stage leaving empty seed coat Control measures include early mowing of and winter burning of the coarse grasses in which the insect hibernates. V. Summary Rice is critical to feeding the world's rapidly growing human population. Rice is usually grown of heavy textured soils close to a water supply. This work has improved the ability of rice to respond to nitrogen, grow rapidly, germinate and flower at lower temperatures, and added resistance to both disease and insect pests and alkaline soils. These characteristics have been made possible by breeding rice for these traits, and providing this improved rice to the millions of rice farmers in the world.