Digital Agriculture Pk

  Irrigation schedule for wheat For the better production of wheat there are various factors which contribute their important role. But most important of them is exact or proper time of irrigation. Proper irrigation results in better production of crop. Lack of irrigation severely effects the process of grain formation. Total duration of wheat is 160 days. There are four important stages where lack irrigation results in low yield. Important stages on which irrigation should be done. 1.        Tillering 2.        Booting 3.        Milking or grain formation 4.        Grain filing or ripening Tillering:                 First irrigation should be applied to the wheat when crop start to make tillers. This condition usually initiates after 18 to 25 days of sowing. Shortage of w...

  Wheat rusts Class: Basidiomecetes Order: Uredinales Family: Pucciniaceae Rust is a serious threat to wheat all over the country. Losses due to rusts vary from 40-70%. Rust types: 1.        Yellow/stripe rust 2.        Brown/leaf rust 3.        Stem/Black rust Yellow rust Causal organism : Puccinia striiformis Symptoms: ·          Yellow colored uredia appear in parallel lines on leaves. ·          Yellow spore mass is dispersed by wind. ·          Black patches of telia appear on lower side of leaves. ·          Poor root system Epidemiology: ·          Uredospores are main source of inoculum. ·          Disease appe...

  Interesting story and life cycle of rusts Brief Introduction: Rusts are the devastating pathogens of wheat all over the world. These are known from ancient times due to their adverse effects on cereals resulting in poor yield. Ancient people considered plant diseases as the wrath of “god”. They celebrate festivals and offer sacrifices to please them. They thought that avoidance and control of diseases depend upon people doing thigs. In 4 th century Romans suffered so much hunger due to destruction of cereals by rusts. To solve this issue, they created a separate “god” named as Robigus. To please their “god” Romans offered prayers and sacrifices, so that he would save them from deadly rusts attack. They established a special holiday on which they sacrifice their cows, dogs, and foxes to please the Robigus. Life cycle of rusts: Rust are obligate parasites and can not be cultured on artificial media.   Rusts produce five distinct fruiting structures consisting spor...

  Assessment test for Water Management officer in Agriculture Department Agriculture Part Crop which are damaged by insects at their harvesting stage a)        Sunflower   (b) Maize             (c) Millet              (d) All Which on is a grain storage insect a)        Army worm                (b) Red floor beetle        (c) Caterpillar     (d) Aphid Topping and de-suckering is related to which crop a)        Tobacco       (b) Sugarcane     (c) Sunflower      (d) Mango Which one of the following belongs to Poaceae a)        Maize     ...